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                                                                    EXHIBIT 10.2

                              EMPLOYMENT AGREEMENT

         Agreement dated as of March 5, 2003, between Computer Network
Technology Corporation, a Minnesota corporation, having a place of business at
6000 Nathan Lane North, Plymouth, MN 55442 (the "Company"), and Gregory T.
Barnum (the "Executive").

                                   WITNESSETH

         WHEREAS, the Executive has assumed duties of a responsible nature to
the benefit of the Company and to the satisfaction of the Board of Directors
(the "Board") of the Company and its Compensation Committee;

         WHEREAS, the Board and its Compensation Committee believes it to be in
the best interests of the Company to enter into this Agreement to assure
Executive's continuing services to the Company including, but not limited to,
under circumstances in which there is a Change of Control (as defined below);

         WHEREAS, the Board and its Compensation Committee believes it is
imperative to diminish the inevitable distraction of the Executive by virtue of
the personal uncertainties and risks created by a pending or threatened Change
of Control and to encourage the Executive's full attention and dedication to the
Company currently and in the event of any threatened or pending Change of
Control, and to provide the Executive with compensation and benefits
arrangements upon a Change of Control which ensure that the compensation and
benefits expectations of the Executive will be satisfied and which are
competitive with those of other corporations; and

         WHEREAS, in order to accomplish all the above objectives, the Board and
its Compensation Committee has authorized the Company to enter into this
Agreement;

         NOW, THEREFORE, in consideration of the mutual promises herein
contained, the Company and the Executive hereby agree as follows:

         1.       CERTAIN DEFINITIONS.

                  (a)      The "Effective Date" shall mean the date hereof.

                  (b)      The "Change of Control Date" shall mean the first
         date during the Employment Period (as defined in Section 1(d)) on which
         a Change of Control (as defined in Section 2) occurs. Anything in this
         Agreement to the contrary notwithstanding, if a Change of Control
         occurs and if the Executive's employment with the Company is terminated
         or the Executive ceases to be Chief Financial Officer ("CFO") of the
         Company prior to the date on which the Change of Control occurs, and if
         it is reasonably demonstrated by the Executive that such termination of
         employment or cessation of status as CFO (i) was at the request of a
         third party who has taken steps reasonably calculated to effect the
         Change of Control or (ii) otherwise arose in connection with or
         anticipation of the Change of Control, then for all purposes of this
         Agreement the

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         "Change of Control Date" shall mean the date immediately prior to the
         date of such termination of employment or cessation of status as CFO.

                  (c)      "Compensation Committee" shall mean the Compensation
          Committee of the Board of Directors.

                  (d)      The "Employment Period" shall mean the period
          commencing on the Effective Date and ending on the earlier to occur of
         (i) the third anniversary of such date or (ii) the first day of the
         month next following the Executive's 65th birthday ("Normal Retirement
         Date"); provided, however, that on each anniversary of the Effective
         Date, and on each successive annual anniversary of such date thereafter
         (such date and each annual anniversary thereof shall be hereinafter
         referred to as the "Renewal Date"), the Employment Period shall be
         automatically extended so as to terminate on the earlier of (x) three
         years from such Renewal Date or (y) the Executive's Normal Retirement
         Date, unless at least 90 days prior to the Renewal Date the Company
         shall give notice to the Executive that the Employment Period shall not
         be so extended; and provided, further, that upon the occurrence of a
         Change of Control Date, the Employment Period shall automatically be
         extended so as to terminate on the earlier to occur of (1) the third
         anniversary of such date or (2) the Executive's Normal Retirement Date.

         2.       CHANGE OF CONTROL. For the purpose of this Agreement, a
"Change of Control" or "Change in Control" shall mean:

                  (a)      The acquisition by an individual, entity or group
         (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities
         Exchange Act of 1934, as amended (the "Exchange Act")) of beneficial
         ownership (within the meaning of Rule 13d-3 promulgated under the
         Exchange Act) of 40% or more of either (i) the then outstanding shares
         of common stock of Company (the "Outstanding Company Common Stock") or
         (ii) the combined voting power of the then outstanding voting
         securities of the Company entitled to vote generally in the election of
         directors (the "Outstanding Company Voting Securities"); provided,
         however, that the following acquisitions shall not constitute a Change
         of Control: (w) any acquisition directly from the Company, (x) any
         acquisition by the Company or any of its subsidiaries, (y) any
         acquisition by any employee benefit plan (or related trust) sponsored
         or maintained by the Company or any of its subsidiaries or (z) any
         acquisition by any corporation with respect to which, following such
         acquisition, more than 60% of, respectively, the then outstanding
         shares of common stock of such corporation and the combined voting
         power of the then outstanding voting securities of such corporation
         entitled to vote generally in the election of directors, is then
         beneficially owned, directly or indirectly, by all or substantially all
         of the individuals and entities who were beneficial owners,
         respectively of the Outstanding Company Common Stock and Outstanding
         Company Voting Securities in substantially the same proportions as
         their ownership, immediately prior to such acquisition, of the
         Outstanding Company Common Stock and Outstanding Company Voting
         Securities, as the case may be; or

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                  (b)      Individuals who, as of the date hereof, constitute
         the Company's Board of Directors (the "Incumbent Board") cease for any
         reason to constitute at least a majority of the Company Board of
         Directors; provided, however, that any individual becoming a director
         subsequent to the date hereof whose election, or nomination for
         election by the Company's shareholders, was approved by a vote of at
         least a majority of the directors then comprising the Incumbent Board
         shall be considered as though such individual were a member of the
         Incumbent Board, but excluding, for this purpose, any such individual
         whose initial assumption of office occurs as a result of either an
         actual or threatened election contest (as such terms are used in Rule
         14a-11 of Regulation 14A promulgated under the Exchange Act) or other
         actual or threatened solicitation of proxies or consents; or

                  (c)      Completion by the Company of a reorganization, merger
         or consolidation, in each case, with respect to which all or
         substantially all of the individuals and entities who were the
         beneficial owners, respectively, of the Outstanding Company Common
         Stock and Outstanding Company Voting Securities immediately prior to
         such reorganization, merger or consolidation, beneficially own,
         directly or indirectly, less than 60% of, respectively, of the then
         outstanding shares of common stock and the combined voting power of the
         then outstanding voting securities entitled to vote generally in the
         election of directors, as the case may be, of the corporation resulting
         from such reorganization, merger or consolidation in substantially the
         same proportions as their ownership, immediately prior to such
         reorganization, merger or consolidation of the Outstanding Company
         Common Stock and the Outstanding Company Voting Securities, as the case
         may be; or

                  (d) Completion by the Company of (i) a complete liquidation or
         dissolution of Company or (ii) the sale or other disposition of all or
         substantially all of the assets of the Company, other than to a
         corporation, with respect to which following such sale or other
         disposition, more than 60% of, respectively, the then outstanding
         shares of common stock of such corporation and the combined voting
         power of the then outstanding voting securities of such corporation
         entitled to vote generally in the election of directors is then
         beneficially owned, directly or indirectly, by all or substantially all
         of the individuals and entities who were the beneficial owners,
         respectively, of the Outstanding Company Common Stock and Outstanding
         Company Voting Securities immediately prior to such sale or other
         disposition in substantially the same proportion as their ownership,
         immediately prior to such sale or other disposition, of the Outstanding
         Company Common Stock and Outstanding Company Voting Securities, as the
         case may be.

         3.       EMPLOYMENT PERIOD. The Company hereby agrees to continue the
Executive in its employ, and the Executive hereby agrees to remain in the employ
of the Company, during the Employment Period under the terms and conditions
provided herein.

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         4.       TERMS OF EMPLOYMENT.

                  (a)      Position and Duties.

                           (i)      During the Employment Period and prior to a
                  Change of Control Date, (A) if the Board determines that the
                  Executive has been performing his duties in accordance with
                  Section 4(a)(iii) hereof, the Board shall re-appoint the
                  Executive to the position of CFO with substantially similar
                  duties to those performed by the Executive on the Effective
                  Date, and (B) the Executive's services shall be performed at
                  the Executive's location on the Effective Date, the Company's
                  headquarters, or a location where a substantial activity for
                  which the Executive has responsibility is located.

                           (ii)     During the Employment Period and on and
                  following a Change of Control Date, (A) the Executive's
                  position (including status, offices, titles and reporting
                  relationships), authority, duties and responsibilities shall
                  be at least commensurate in all material respects with the
                  most significant of those held, exercised and assigned at any
                  time during the 180-day period immediately preceding the
                  Change of Control Date and (B) the Executive's services shall
                  be performed at the location where the Executive was employed
                  immediately preceding the Change of Control Date or any office
                  or location less than fifty (50) miles from such location.

                           (iii)    During the Employment Period, and excluding
                  any periods of vacation and sick leave to which the Executive
                  is entitled, the Executive agrees to devote reasonable
                  attention and time during normal business hours to the
                  business and affairs the Company and, to the extent necessary
                  to discharge the responsibilities assigned to the Executive
                  hereunder, to use the Executive's reasonable best efforts to
                  perform faithfully and efficiently such responsibilities.
                  During the Employment Period it shall not be a violation of
                  this Agreement for the Executive to (A) serve on corporate,
                  civic or charitable boards or committees, (B) deliver
                  lectures, fulfill speaking engagements or teach at educational
                  institutions and (C) manage personal investments, so long as
                  such activities do not significantly interfere with the
                  performance of the Executive's responsibilities as an employee
                  of the Company in accordance with this Agreement. It is also
                  expressly understood and agreed that to the extent that such
                  activities have been conducted by the Executive prior to the
                  Effective Date, the continued conduct of such activities (or
                  the conduct of activities similar in nature and scope thereto)
                  subsequent to the Effective Date shall not thereafter be
                  deemed to interfere with the performance of the Executive's
                  responsibilities to the Company.

                  (b)      Compensation.

                           (i)      Base Salary. During the Employment Period,
                  the Company shall pay the Executive a base salary (x) through
                  April 30, 2003, at an annual rate of

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                  $200,000, and (y) from and after May 1, 2003, at an annual
                  rate of $210,000 and during each succeeding 12 month period
                  ending April 30, at a rate not less than his base salary in
                  effect on the last day of the preceding 12-month period ending
                  April 30. During the Employment Period, base salary shall be
                  reviewed at least annually and shall be adjusted as agreed
                  between the Compensation Committee of the Board of Directors
                  and Executive (in the event no agreement is reached, Base
                  Salary shall remain unchanged). Any increase in base salary
                  shall not serve to limit or reduce any other obligation to the
                  Executive under this Agreement. Base Salary shall not be
                  reduced after any such increase except in connection with
                  Company wide reductions applied to other senior executives of
                  the Company. Base salary under Section 4(b)(i) shall
                  hereinafter be referred to as the "Base Salary."

                           (ii)     Additional Compensation. In addition to Base
                  Salary, the Executive shall participate in the Company's
                  Success Share Bonus Arrangement under terms and conditions
                  determined each year by the Compensation Committee of the
                  Board of Directors of the Company (which, beginning May 1,
                  2003, shall be a 60% incentive opportunity for the applicable
                  year).

                           (iii)    Fringe Benefits. While Executive is employed
                  by the Company under this Agreement, the Company shall provide
                  Executive such insurance and other benefits as are provided
                  from time to time by the Company to its other executives, in
                  accordance with the Company's benefits practices then in
                  effect.

         5.       TERMINATION.

                  (a)      Death or Disability. This Agreement shall terminate
         automatically upon the Executive's death. If the Company determines in
         good faith that the Disability of the Executive has occurred (pursuant
         to the definition of "Disability" set forth below), it may give to the
         Executive written notice of its intention to terminate the Executive's
         employment hereunder. In such event, the Executive's employment with
         the Company shall terminate effective on the 90th day after receipt by
         the Executive of such notice given at any time after a period of six
         consecutive months of Disability and while such Disability is
         continuing (the "Disability Effective Date"), provided that, within the
         90 days after such receipt, the Executive shall not have returned to
         full-time performance of the Executive's duties. For purposes of this
         Agreement, "Disability" means disability which, at least six months
         after its commencement, is determined to be total and permanent by a
         physician selected by the Company or its insurers and acceptable to the
         Executive or the Executive's legal representative (such agreement as to
         acceptability not to be withheld unreasonably). During such six month
         period and until the Disability Effective Date, Executive shall be
         entitled to all compensation provided for under Section 4 hereof.

                  (b)      Cause. During the Employment Period, the Company may
         terminate the Executive's employment with the Company for "Cause." For
         purposes of this Agreement,

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         "Cause" means (i) an act or acts of personal dishonesty taken by the
         Executive and intended to result in substantial personal enrichment of
         the Executive at the expense of the Company, (ii) willful failure to
         follow the reasonable directions of the Company or repeated violations
         by the Executive of the Executive's obligations under Section 4(a) of
         this Agreement which are demonstrably willful and deliberate on the
         Executive's part and in each case which are not remedied in a
         reasonable period of time after receipt of written notice from the
         Company or (iii) the conviction of the Executive of a felony.

                  (c)      Good Reason. During the Employment Period, the
         Executive's employment hereunder may be terminated by the Executive for
         Good Reason. For purposes of this Agreement, "Good Reason" means:

                           (i)      the assignment to the Executive of any
                  duties inconsistent in any respect with Executive's position
                  (including status, offices, titles and reporting
                  relationships), authority, duties or responsibilities as
                  contemplated by Section 4(a)(i) or (ii) of this Agreement
                  (including, without limitation, Executive ceasing to be the
                  Chief Financial Officer of the Company), or any other action
                  by the Company which results in a diminution in such position,
                  authority, duties or responsibilities;

                           (ii)     the failure by the Company to appoint the
                  Executive to the position of CFO or any other action by the
                  Company which results in the diminution of the Executive's
                  position, authority, duties, or responsibilities

                           (iii)    (x) any failure by the Company to comply
                  with any of the provisions of Section 4(b) of this Agreement
                  or (y) after the Change of Control Date, any failure of the
                  Company to pay Base Salary in accordance with Section 4(b)(i)
                  or failure to pay Additional Compensation on a basis
                  comparable (with respect to targets and incentive opportunity)
                  to that applicable to the Executive with respect to the year
                  immediately preceding the year in which the Change in Control
                  occurs;

                           (iv)     the Company requiring the Executive to be
                  based at any office or location other than that described in
                  Sections 4(a)(i)(B) or 4(a)(ii)(B) hereof, except for travel
                  reasonably required in the performance of the Executive's
                  responsibilities;

                           (v)      any purported termination by the Company of
                  the Executive's employment otherwise than as expressly
                  permitted by this Agreement; or

                           (vi)     any failure by the Company to comply with
                  and satisfy Section 12(c) of this Agreement.

                  Prior to giving a Notice of Termination for Good Reason,
         Executive shall notify the Company within 30 days of action the Company
         has taken in such 30 day period, together with any other similar
         actions within the prior six months, which Executive believes
         constitutes Good Reason. The Company shall have 30 days to cure such

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         circumstances, and if not cured to the reasonable satisfaction of the
         Executive, then Executive may give such Notice of Termination for Good
         Reason.

                  (d)      Notice of Termination. Any termination of the
         Executive's employment hereunder by the Company for Cause or by the
         Executive for Good Reason shall be communicated by Notice of
         Termination to such other party hereto given in accordance with Section
         14(b) of this Agreement. For purposes of this Agreement, a "Notice of
         Termination" means a written notice which (i) indicates the specific
         termination provision in this Agreement relied upon, (ii) sets forth in
         reasonable detail the facts and circumstances claimed to provide a
         basis for termination of the Executive's employment under the provision
         so indicated and (iii) if the Date of Termination (as defined below) is
         other than the date of receipt of such notice, specifies the
         termination date (which date shall be not more than fifteen (15) days
         after the giving of such notice). Further, a Notice of Termination for
         Cause is required to include a copy of a resolution duly adopted by the
         affirmative vote of not less than three-quarters (3/4) of the entire
         membership of the Board (excluding the Executive) at a meeting of the
         Board which was called and held for the purpose of considering such
         termination (after reasonable notice to the Executive and an
         opportunity for the Executive, together with the Executive's counsel,
         to be heard before the Board) finding that, in the good faith opinion
         of the Board, the Executive was guilty of conduct set forth in the
         definition of Cause herein, and specifying the particulars thereof in
         detail.

                  (e)      Date of Termination. "Date of Termination" means the
         date of receipt of the Notice of Termination or any later date
         specified therein, as the case may be; provided, however, that (i) if
         the Executive's employment hereunder is terminated by the Company other
         than for Cause or Disability, the Date of Termination shall be the date
         on which the Company notifies the Executive of such termination and
         (ii) if the Executive's employment hereunder is terminated by reason of
         death or Disability, the Date of Termination shall be the date of death
         of the Executive or the Disability Effective Date, as the case may be.

         6.       OBLIGATIONS OF THE COMPANY UPON TERMINATION.

                  (a)      Death. If the Executive's employment hereunder is
         terminated by reason of the Executive's death, this Agreement shall
         terminate without further obligations to the Executive's legal
         representatives under this Agreement, other than those obligations
         accrued or earned and vested (if applicable) by the Executive as of the
         Date of Termination, including, for this purpose (i) the Executive's
         full Base Salary through the Date of Termination at the rate in effect
         on the Date of Termination, disregarding any reduction in Base Salary
         in violation of this Agreement (the "Highest Base Salary") and (ii) any
         compensation previously deferred by the Executive (together with any
         accrued interest thereon) and not yet paid by the Company in accordance
         with the applicable plan (to the extent vested) and any accrued
         vacation pay not yet paid by the Company (such amounts specified in
         clauses (i) and (ii) are hereinafter referred to as "Accrued
         Obligations"). All such Accrued Obligations shall be paid to the
         Executive's estate or

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         beneficiary, as applicable, in a lump sum in cash within 30 days of the
         Date of Termination. Anything in this Agreement to the contrary
         notwithstanding, the Executive's family shall be entitled to receive
         benefits at least equal to the most favorable benefits provided by the
         Company and any of its subsidiaries to surviving families of employees
         of the Company and such subsidiaries under such plans, programs,
         practices and policies relating to family death benefits, if any, in
         accordance with the most favorable plans, programs, practices and
         policies of the Company and its subsidiaries in effect on the date of
         the Executive's death with respect to other key employees of the
         Company and its subsidiaries and their families.

                  (b)      Disability. If the Executive's employment is
         terminated by reason of the Executive's Disability, this Agreement
         shall terminate without further obligations to the Executive, other
         than those obligations accrued or earned and vested (if applicable) by
         the Executive as of the Date of Termination, including for this
         purpose, all Accrued Obligations. All such Accrued Obligations shall be
         paid to the Executive in a lump sum in cash within 30 days of the Date
         of Termination. Anything in this Agreement to the contrary
         notwithstanding, the Executive shall be entitled after the Disability
         Effective Date to receive disability and other benefits at least equal
         to the most favorable of those provided by the Company and its
         subsidiaries to disabled employees and/or their families in accordance
         with such plans, programs, practices and policies relating to
         disability, if any, in accordance with the most favorable plans,
         programs, practices and policies of the Company and its subsidiaries in
         effect on or after the Effective Date or, if more favorable to the
         Executive and /or the Executive's family, as in effect at any time
         thereafter with respect to other key employees of the Company and its
         subsidiaries and their families.

                  (c)      Cause; Other than for Good Reason. If the Executive's
         employment shall be terminated for Cause, this Agreement shall
         terminate without further obligations to the Executive other than those
         obligations accrued or earned and vested (if applicable) by the
         Executive as of the Date of Termination, including for this purpose all
         Accrued Obligations. If the Executive terminates employment other than
         for Good Reason, this Agreement shall terminate without further
         obligations to the Executive, other than those obligations accrued or
         earned and vested (if applicable) by the Executive through the Date of
         Termination, including for this purpose, all Accrued Obligations. All
         such Accrued Obligations shall be paid to the Executive in a lump sum
         in cash within 30 days of the Date of Termination.

                  (d)      Good Reason; Other Than for Cause, Disability or
         Death.

                           (1)      If, during the Employment Period and prior
                  to a Change of Control the Company shall terminate the
                  Executive's employment hereunder other than for Cause,
                  Disability, or death or if the Executive shall terminate his
                  employment hereunder for Good Reason:

                                    (i)      the Company shall pay to the
                           Executive in a lump sum in cash within thirty (30)
                           days (or such longer period necessary for the release

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                           referred to in Section 10(f) to become irrevocable)
                           after the Date of Termination the aggregate of the
                           following amounts:

                  A. to the extent not theretofore paid, the Executive's Highest
                                    Base Salary through the Date of Termination;
                                    and

                                             B.   subject to execution of the
                                    release referred to in Section 10(f) and the
                                    lapse of any period necessary for such
                                    release to become irrevocable, an amount
                                    equal to 150% of the Highest Base Salary and
                                    150% of Additional Compensation that would
                                    be paid if the Company met its plan for the
                                    fiscal year in which the termination
                                    occurred; and

                                             C.   (I) in the case of
                                    compensation previously deferred by the
                                    Executive, all amounts previously deferred
                                    (together with any accrued interest thereon)
                                    in accordance with the applicable plan and
                                    not yet paid by the Company; and all such
                                    deferred amounts shall become fully vested
                                    as of the Date of Termination, and (II) any
                                    accrued vacation pay not yet paid by the
                                    Company; and

                                             D.   the Company shall, for a
                                    period of two years continue benefits to the
                                    Executive and/or the Executive's family at
                                    least equal to those which would have been
                                    provided to them in accordance with the
                                    plans, programs, practices and policies
                                    described in Section 4(b)(iii) including
                                    health insurance and life insurance, in
                                    accordance with the most favorable plans,
                                    practices, programs or policies of the
                                    Company and its subsidiaries in effect on
                                    the date of termination; provided that the
                                    Company shall not be required to provide a
                                    benefit or benefits under this Section to
                                    the extent Executive is reemployed during
                                    such two year period and such subsequent
                                    employer provides a comparable benefit or
                                    benefits. For purposes of eligibility for
                                    retiree benefits pursuant to such plans,
                                    practices, programs and policies, the
                                    Executive shall be considered to have
                                    remained employed by the Company for the
                                    duration of such two year period and to have
                                    retired on the last day of such period.

                                             E.    in addition to the foregoing,
                                    one hundred percent (100%) of Executive's
                                    unvested options shall immediately vest and
                                    shall remain exercisable for the same period
                                    as an option held by a retiring section 16
                                    officer.

                                             F.   the Company shall provide the
                                    Executive with tax planning and financial
                                    counseling services for a period of two
                                    years following the Date of Termination on
                                    the same basis as such

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                                    services were provided or made available to
                                    him immediately prior to the Date of
                                    Termination.

                           (2)      If, during the Employment Period and on and
                  after a Change of Control Date the Company shall terminate the
                  Executive's employment hereunder other than for Cause,
                  Disability, or death or if the Executive shall terminate his
                  employment hereunder for Good Reason:

                                    (i)      the Company shall pay to the
                           Executive in a lump sum in cash within thirty (30)
                           (or such longer period necessary for the release
                           referred to in Section 10(f) to become irrevocable)
                           days after the Date of Termination the aggregate of
                           the following amounts:

                  A. to the extent not theretofore paid, the Executive's Highest
                                    Base Salary through the Date of Termination;
                                    and

                                             B.   subject to execution of the
                                    release referred to in Section 10(f) and the
                                    lapse of any period necessary for such
                                    release to become irrevocable, an amount
                                    equal to 200% of the Highest Base Salary and
                                    200% of Additional Compensation that would
                                    be paid if the Company met its plan for the
                                    fiscal year in which the termination
                                    occurred; and

                                             C.   (I) in the case of
                                    compensation previously deferred by the
                                    Executive, all amounts previously deferred
                                    (together with any accrued interest thereon)
                                    in accordance with the applicable plan and
                                    not yet paid by the Company; and all such
                                    deferred amounts shall become fully vested
                                    as of the Date of Termination, and (II) any
                                    accrued vacation pay not yet paid by the
                                    Company; and

                                             D.   the Company shall, for a
                                    period of three years continue benefits to
                                    the Executive and/or the Executive's family
                                    at least equal to those which would have
                                    been provided to them in accordance with the
                                    plans, programs, practices and policies
                                    described in Section 4(b)(iii) including
                                    health insurance and life insurance, in
                                    accordance with the most favorable plans,
                                    practices, programs or policies of the
                                    Company and its subsidiaries in effect on
                                    the date of termination; provided that the
                                    Company shall not be required to provide a
                                    benefit or benefits under this Section to
                                    the extent Executive is reemployed during
                                    such three year period and such subsequent
                                    employer provides a comparable benefit or
                                    benefits. For purposes of eligibility for
                                    retiree benefits pursuant to such plans,
                                    practices, programs and policies, the
                                    Executive shall be considered to have
                                    remained employed by the Company for the

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                                    duration of such three year period and to
                                    have retired on the last day of such period.

                                             E.   in addition to the foregoing,
                                    all of Executive's unvested options shall
                                    immediately vest if not previously vested
                                    pursuant to Section 6(e) hereof and shall
                                    remain exercisable for the same period as an
                                    option held by a retiring section 16
                                    officer.

                                             F.   the Company shall provide the
                                    Executive with tax planning and financial
                                    counseling services for a period of three
                                    years following the Date of Termination on
                                    the same basis as such services were
                                    provided or made available to him
                                    immediately prior to the Date of Termination
                                    or the Change of Control Date, whichever is
                                    more favorable.

                  (e)      All of Executive's unvested options shall immediately
         vest upon completion of a Change of Control, if at the time of
         completion such options are not substituted or continued by the
         acquiror, regardless of whether Executive's employment is terminated.

         7.       NON-EXCLUSIVITY OF RIGHTS. Nothing in this Agreement shall
prevent or limit the Executive's continuing or future participation in any
benefit, bonus, incentive or other plans, programs, policies or practices,
provided by Company, the Company or any of their respective subsidiaries and for
which the Executive may qualify, nor shall anything herein limit or otherwise
affect such rights as the Executive may have under any stock option, restricted
stock or other agreements with Company, the Company or any of their respective
subsidiaries. Amounts which are vested benefits or which the Executive is
otherwise entitled to receive under any plan, policy, practice or program of
Company, the Company or any of their respective subsidiaries at or subsequent to
the Date of Termination shall be payable in accordance with such plan, policy
practice or program.

         8.       FULL SETTLEMENT. The Company's obligation to make the payments
provided for in this Agreement and otherwise to perform its obligations
hereunder shall not be affected by any set-off, counterclaim, recoupment,
defense or other claim, right or action which the Company may have against the
Executive or others. In no event shall the Executive be obligated to seek other
employment or take any other action by way of mitigation of the amounts payable
to the Executive under any of the provisions of this Agreement. The Company
agrees to pay, to the full extent permitted by law, all legal fees and expenses,
as incurred by the Company, the Executive and others, which the Executive may
reasonably incur as a result of any contest (regardless of the outcome thereof)
by the Company or others of the validity or enforceability of, or liability
under, any provision of this Agreement or any guarantee of performance thereof
(including as a result of any contest by the Executive about the amount of any
payment pursuant to Section 9 of this Agreement), plus in each case interest at
the applicable Federal rate provided for in Section 7872(f)(2) of the Internal
Revenue Code of 1986, as amended (the "Code").

                                       11

<PAGE>

                  9.       CERTAIN ADDITIONAL PAYMENTS BY THE COMPANY.

                           (a)      Anything in this Agreement to the contrary
                  notwithstanding, in the event it shall be determined that any
                  payment or distribution by the Company, any individual or
                  entity whose actions result in a Change of Control, or their
                  respective subsidiaries or affiliates to or for the benefit of
                  the Executive (whether paid or payable or distributed or
                  distributable pursuant to the terms of this Agreement or
                  otherwise, but determined without regard to any additional
                  payments required under this Section 9, including, but not
                  limited to, any amounts in respect of (i) options to acquire
                  shares of Company common stock and (ii) restricted shares of
                  Company common stock (a "Payment"), would be subject to the
                  excise tax imposed by Section 4999 of the Code or any interest
                  or penalties with respect to such excise tax (such excise tax,
                  together with any such interest and penalties, are hereinafter
                  collectively referred to as the "Excise Tax"), then the
                  Executive shall be entitled to receive an additional payment
                  (a "Gross-Up Payment") from the Company in an amount such that
                  after payment by the Executive of all taxes (including any
                  interest or penalties imposed with respect to such taxes),
                  including, without limitation, any income taxes, employment
                  taxes (and any interest and penalties imposed with respect
                  thereto) and Excise Tax, imposed upon the Gross-Up Payment,
                  the Executive retains, after taking into account the phase out
                  of itemized deductions and personal exemptions attributable to
                  such Gross-Up Payment, an amount of the Gross-Up Payment equal
                  to the Excise Tax imposed upon Payments.

                           (b)      Subject to the provisions of Section 9(c),
                  all determinations required to be made under this Section 9,
                  including whether a Gross-Up Payment is required and the
                  amount of such Gross-Up Payment, shall be made by the firm of
                  independent public accountants selected by the Company (which
                  firm shall not audit the Company's financial statements) (the
                  "Accounting Firm") which shall provide detailed supporting
                  calculations both to the Company and the Executive within 30
                  business days of the Date of Termination, or such earlier time
                  as is requested by the Company. In the event that the
                  Accounting Firm is serving as accountant or auditor for the
                  individual, entity or company effecting the Change of Control,
                  the Executive shall appoint another nationally recognized
                  accounting firm to make the determinations required hereunder
                  (which accounting firm shall then be referred to as the
                  Accounting Firm hereunder). All fees and expenses of the
                  Accounting Firm shall be borne solely by the Company. Any
                  Gross- Up Payment, as determined pursuant to this Section 9,
                  shall be paid to the Executive upon the receipt of the
                  Accounting Firm's determination. If the Accounting Firm
                  determines that no Excise Tax is payable by the Executive, it
                  shall furnish the Executive with a written opinion that
                  failure to report the Excise Tax on the Executive's applicable
                  federal income tax return would not result in the imposition
                  of a negligence or a similar penalty. Any determination by the
                  Accounting Firm shall be binding upon the Company and the
                  Executive. As a result of the uncertainty in the application
                  of Section 4999 of the Code at the time of the initial
                  determination by the Accounting Firm hereunder, it is possible
                  that Gross-up Payments which will not have been made by the
                  Company should have been made ("Underpayment"), consistent
                  with the calculations required to be made hereunder. In the
                  event that the Company exhausts its remedies pursuant to
                  Section 9(c) and the

                                       12

<PAGE>

                  Executive thereafter is required to make a payment of any
                  Excise Tax, the Accounting Firm shall determine the amount of
                  the Underpayment that has occurred and any such Underpayment
                  shall be promptly paid by the Company to or for the benefit of
                  the Executive.

                           (c)      The Executive shall notify the Company in
                  writing of any claim by the Internal Revenue Service that, if
                  successful, would require the payment by the Company of the
                  Gross- Up Payment. Such notification shall be given as soon as
                  practicable but no later than ten business days after the
                  Executive knows of such claim and shall apprise the Company of
                  the nature of such claim and the date on which such claim is
                  requested to be paid. The Executive shall not pay such claim
                  prior to the expiration of the thirty-day period following the
                  date on which it gives such notice to the Company (or such
                  shorter period ending on the date that any payment of taxes
                  with respect to such claim is due). If the Company notifies
                  the Executive in writing prior to the expiration of such
                  period that it desires to contest such claim, the Executive
                  shall:

                                    (i)      give the Company any information
                           reasonably requested by the Company relating to such
                           claim,

                                    (ii)     take such action in connection with
                           contesting such claim as the Company shall reasonably
                           request in writing from time to time, including,
                           without limitation, accepting legal representation
                           with respect to such claim by an attorney reasonably
                           selected by the Company,

                                    (iii)    cooperate with the Company in good
                           faith in order to effectively contest such claim,

                                    (iv)     permit the Company to participate
                           in any proceedings relating to such claim; provided,
                           however, that the Company shall bear and pay directly
                           all costs and expenses (including additional interest
                           and penalties) incurred in connection with such
                           contest and shall indemnify and hold the Executive
                           harmless, on an after-tax basis, for any Excise Tax
                           or income tax, including interest and penalties with
                           respect thereto, imposed as a result of such
                           representation and payment of costs and expenses.

                                    Without limitation on the foregoing
                           provisions of this Section 9(c), the Company shall
                           control all proceedings taken in connection with such
                           contest and, at its sole option, may pursue or forgo
                           any and all administrative appeals, proceedings,
                           hearings and conferences with the taxing authority in
                           respect of such claim and may, at its sole option,
                           pay such claim and direct the Executive to sue for a
                           refund or contest the claim in any permissible
                           manner, and the Executive agrees to prosecute such
                           contest to a determination before any administrative
                           tribunal, in a court of initial jurisdiction and in
                           one or more appellate courts, as the Company shall
                           determine; provided, however, that if the Company
                           pays such claim and directs the Executive to sue for
                           a refund, the Company shall indemnify

                                       13

<PAGE>

                           and hold the Executive harmless, on an after-tax
                           basis, from any Excise Tax or income tax, including
                           interest or penalties with respect thereto, imposed
                           with respect to such payment; and further provided
                           that any extension of the statute of limitations
                           relating to payment of taxes for the taxable year of
                           the Executive with respect to which such contested
                           amount is claimed to be due is limited solely to such
                           contested amount. Furthermore, the Company's control
                           of the contest shall be limited to issues with
                           respect to which a Gross-Up Payment would be payable
                           hereunder and the Executive shall be entitled to
                           settle or contest, as the case may be, any other
                           issue raised by the Internal Revenue Service or any
                           other taxing authority.

                           (d)      If, after the receipt by the Executive of an
                  amount paid by the Company pursuant to Section 9(c), the
                  Executive becomes entitled to receive any refund with respect
                  to such claim, the Executive shall (subject to the Company's
                  complying with the requirements of Section 9(c)) promptly pay
                  to the Company the amount of such refund (together with any
                  interest paid or credited thereon after taxes applicable
                  thereto). If, after the receipt by the Executive of an amount
                  paid by the Company pursuant to Section 9(c), a determination
                  is made that the Executive shall not be entitled to any refund
                  with respect to such claim, and the Company does not notify
                  the Executive in writing of its intent to contest such denial
                  of refund prior to the expiration of thirty days after such
                  determination, then Executive shall be under no obligation to
                  repay such amount and the amount of such payment shall offset,
                  to the extent thereof, the amount of Gross-Up Payment required
                  to be paid.

                  10.      CERTAIN COVENANTS OF EXECUTIVE.

                           (a)      As used in Section 10 and Section 11, the
                  Company shall include the Company and each corporation,
                  partnership, or other entity that controls the Company, is
                  controlled by the Company, or is under common control with the
                  Company (in each case "control" meaning the direct or indirect
                  ownership of 50% or more of all outstanding equity interests).

                           (b)      While Executive is employed by the Company
                  and, following the termination of the Executive 's employment
                  for any reason, until the first anniversary of the Date of
                  Termination, Executive will not, directly or indirectly:

                                    (i)      employ or attempt to employ any
                           director, officer, or employee of the Company, or
                           otherwise interfere with or disrupt any employment
                           relationship (contractual or other) of the Company;

                                    (ii)     solicit, request, advise, or induce
                           any present or potential customer, supplier, or other
                           business contact of the Company to cancel, curtail,
                           or otherwise change its relationship with the
                           Company; or

                                       14

<PAGE>

                                    (iii)    publicly criticize or disparage in
                           any manner or by any means the Company or its
                           management, policies, operations, products, services,
                           practices, or personnel.

                           (c)      Executive hereby acknowledges and agrees
                  that all non-public information and data of the Company,
                  including without limitation that related to product and
                  service formulation, customers, pricing, sales, and financial
                  results (collectively, "Trade Secrets") are of substantial
                  value to the Company, provide it with a substantial
                  competitive advantage in its business, and are and have been
                  maintained in the strictest confidence as trade secrets.
                  Except as permitted by the Board, or as appropriate in the
                  performance of Executive's duties in the normal course of
                  business, Executive shall not at any time disclose or make
                  accessible to anyone any Trade Secrets.

                           (d)      Executive acknowledges and agrees that this
                  Section 10 and each provision hereof are reasonable and
                  necessary to ensure that the Company receives the expected
                  benefits of this Agreement and that violation of this Section
                  10 will harm the Company to such an extent that monetary
                  damages alone would be an inadequate remedy. Consequently, in
                  the event of any violation or threatened violation by
                  Executive of any provision of this Section 10, the Company
                  shall be entitled to an injunction (in addition to all other
                  remedies it may have) restraining Executive from committing or
                  continuing such violation. If any provision or application of
                  this Section 10 is held unlawful or unenforceable in any
                  respect, this Section 10 shall be revised or applied in a
                  manner that renders it lawful and enforceable to the fullest
                  extent possible.

                           (e)      Upon termination of Executive's employment
                  for any reason, Executive covenants to resign from the Board
                  effective no later than the Termination Date.

                           (f)      Prior to the payment of any amount pursuant
                  to Sections 6(d)(1)(i)(B), 6(d)(2)(i)(B) and Section 9,
                  Executive shall have executed the release in the form set
                  forth as Exhibit A (with the blanks appropriately filled in)
                  and the release shall have become irrevocable.

                  11.      CREATIONS.

                           (a)      Executive hereby transfers and assigns to
                  the Company (or its designee) all right, title, and interest
                  of Executive in and to every idea, concept, invention, and
                  improvement (whether patented or not) conceived by Executive
                  and all copyrighted or copyrightable matter created by
                  Executive that relates to the Company's business
                  (collectively, "Creations"). Executive shall communicate
                  promptly and disclose to the Company, in such form as the
                  Company may request, all information, details, and data
                  pertaining to each Creation. Every copyrightable Creation,
                  regardless of whether copyright protection is sought or
                  preserved by the Company, shall be "work for hire" as defined
                  in 17 U.S.C. Section 101 and the Company shall own all rights
                  in and to such matter throughout the world, without the
                  payment of any royalty or other consideration to Executive or
                  anyone claiming through Executive.

                                       15

<PAGE>

                           (b)      All right, title, and interest in and to any
                  and all trademarks, trade names, service marks, and logos
                  adopted, used, or considered for use by the Company during
                  Executive's employment (whether or not developed by Executive)
                  to identify the Company's products or services (collectively,
                  the "Marks") and all other materials, ideas, or other property
                  conceived, created, developed, adopted, or improved by
                  Executive solely or jointly during Executive's employment by
                  the Company and relating to its business, shall be owned
                  exclusively by the Company. Executive shall not have, and will
                  not claim to have, any right, title, or interest of any kind
                  in or to the Marks or such other property.

                           (c)      Executive shall execute and deliver to the
                  Company such formal transfers and assignments and such other
                  documents as the Company may request to permit the Company (or
                  its designee) to file and prosecute such registration
                  applications and other documents it deems useful to protect
                  its rights under this Agreement. Any idea, copyrightable
                  matter, or other property relating to the Company's business
                  and disclosed by Executive prior to the first anniversary of
                  the Date of Termination shall be deemed to be governed hereby
                  unless proved by Executive to have been first conceived and
                  made after the Date of Termination.

                           (d)      Executive acknowledges and understands that
                  this Agreement does not apply to any invention that qualifies
                  fully under the provisions of Minnesota Statutes Annotated
                  Sections 181.78(1) and (2), the text of which is attached as
                  Exhibit B. Employee acknowledges this section shall serve as
                  written notice to Employee as required by Minnesota Statutes
                  Annotated Section 181.78(3).

                  12.      SUCCESSORS.

                           (a)      This Agreement is personal to the Executive
                  and without the prior written consent of the Company shall not
                  be assignable by the Executive otherwise than by will or the
                  laws of descent and distribution. This Agreement shall inure
                  to the benefit of and be enforceable by the Executive's legal
                  representatives.

                           (b)      This Agreement shall inure to the benefit of
                  and be binding upon Company and the Company and their
                  respective successors and assigns.

                           (c)      The Company will require any successor
                  (whether direct or indirect, by purchase, merger,
                  consolidation or otherwise) to all or substantially all of its
                  business and/or assets to assume expressly and agree to
                  perform this Agreement in the same manner and to the same
                  extent that the Company would be required to perform it if no
                  such succession had taken place. As used in this Agreement,
                  "Company" shall mean as hereinbefore defined and any successor
                  to its business and/or assets as aforesaid which assumes and
                  agrees to perform this Agreement by operation of law, or
                  otherwise.

                                       16

<PAGE>

                  13.      ARBITRATION. Any controversy or claim arising out of
         or relating to this Agreement, or the breach of this Agreement, other
         than claims for specific performance or injunctive relief pursuant to
         Section 10, shall be settled by arbitration conducted in Minneapolis,
         Minnesota in accordance with the Center for Public Resources Rules for
         Non-Administered Arbitration of Business Disputes by a sole arbitrator
         selected by the parties from the Center for Public Resources Panels of
         Distinguished Neutrals. The arbitration shall be governed by the United
         States Arbitration Act, 9 U.S.C. Sections 1-16 and judgment upon any
         award rendered by the arbitrator may be entered in any Minnesota state
         or United States federal court sitting in Minneapolis, Minnesota. The
         arbitrator shall not award either damages in excess of actual damages
         or attorneys' fees, but may award the prevailing party reasonable
         costs. The parties to this Agreement irrevocably submit to the
         jurisdiction of said arbitrator and court and agree that all such
         claims may be heard and determined only by such arbitrator and that all
         judgments may be entered in only such courts.

                  14.      MISCELLANEOUS.

                           (a)      This Agreement shall be governed by and
                  construed in accordance with the laws of the State of
                  Minnesota, without reference to principles of conflict of
                  laws. The captions of this Agreement are not part of the
                  provisions hereof and shall have no force or effect. This
                  Agreement may not be amended or modified otherwise than by a
                  written agreement executed by the parties hereto or their
                  respective successors and legal representatives.

                           (b)      All notices and other communications
                  hereunder shall be in writing and shall be given by hand
                  delivery to the other party or by registered or certified
                  mail, return receipt requested, postage prepaid, addressed as
                  follows:

                           If to the Executive:      If to the Company:

                           Gregory T. Barnum         Computer Network Technology
                           (at home address          Corporation
                           separately notified)      6000 Nathan Lane North
                                                     Plymouth, MN 55442
                                                     Attention: Board of
                                                     Directors

                  or to such other address as either party shall have furnished
                  to the other in writing in accordance herewith. Notice and
                  communications shall be effective when actually received by
                  the addressees.

                           (c)      The invalidity or unenforceability of any
                  provision of this Agreement shall not affect the validity or
                  enforceability of any other provision of this Agreement.

                           (d)      The Company may withhold from any amounts
                  payable under this Agreement such Federal, state or local
                  taxes as shall be required to be withheld pursuant to any
                  applicable law or regulation.

                                       17

<PAGE>

                           (e)      The Executive's failure to insist upon
                  strict compliance with any provision hereof shall not be
                  deemed to be a waiver of such provision or any other provision
                  thereof.

                           (f)      Words or terms used in this Agreement which
                  connote the masculine gender are deemed to apply equally to
                  female executives.

                           (g)      The Change of Control Agreement dated as of
                  July 1, 2002 between the Company and Executive is hereby
                  terminated and is of no further force an effect.

                          [Remainder of page is blank.]

                                       18

<PAGE>

                  IN WITNESS WHEREOF, the Executive has hereunto set his hand
         and, pursuant to the authorization from its Board of Directors and
         Compensation Committee, the Company has caused those present to be
         executed in its name on its behalf, all as of the day and year first
         above written.

                                             EXECUTIVE

                                             /s/ Gregory T. Barnum
                                             -----------------------------------
                                             Name:

                                             COMPUTER NETWORK TECHNOLOGY
                                               CORPORATION,

                                             By  /s/ John A. Rollwagen
                                                --------------------------------

                                       19

<PAGE>

                                    EXHIBIT A

                                RELEASE AGREEMENT

         Computer Network Technology Corporation (the "Company") and Gregory T.
Barnum ("Executive") agree as follows:

         WHEREAS, the Company and Executive are parties to that certain
Employment Agreement dated ______ (the "Employment Agreement"); and

         WHEREAS, the Company and Executive have agreed to terminate the
Employment Agreement releasing each other from all further obligations except
those specifically identified therein as surviving such termination.

         THEREFORE, in consideration of the covenants and obligations set forth
below, the Company and Executive agree as follows:

         1.       Separation from Employment. Executive's employment with the
Company will terminate on _________________.

         2.       Severance. The Company agrees to pay Executive severance
benefits in accordance with the terms of the Employment Agreement commencing as
soon as practicable following the expiration of the rescission period referred
to below.

         3.       Release of Claims. After adequate opportunity to review this
Release Agreement and to obtain the advice of legal counsel of Executive's
choice, Executive hereby releases, acquits and forever discharges the Company,
and all of its directors, officers, agents, employees, affiliates, parents,
successors and assigns, from any and all liability whatsoever arising from or
relating to (i) his employment by the Company, (ii) his separation from
employment with the Company, or (iii) any other claim or liability, excluding
liabilities from claims arising under this Release Agreement or under Sections
6(d) and 9 of the Employment Agreement. Subject to the foregoing, by this
Release, Executive gives up any right to make a claim, bring a lawsuit, or
otherwise seek money damages or court orders as a result of his employment by
the Company, his separation from employment with the Company, or otherwise.
Executive hereby acknowledges and intends that this Release applies to any
statutory or common law claims which have arisen through the date of Executive's
signature below, including but not limited to, any and all claims of unpaid
wages, stock options, wrongful termination, defamation, intentional or negligent
infliction of emotional distress, negligence, breach of contract, fraud, and any
claims under the Age Discrimination in Employment Act (ADEA), Title VII of the
Civil Rights Act of 1964, the Americans with Disabilities Act, the Minnesota
Human Rights Act (MHRA), the Family and Medical Leave Act, the Employee
Retirement Income Security Act, and any other local, state or federal statutes.
Executive acknowledges that this Release includes all claims Executive is
legally permitted to release and as such does not apply to any claim for
reemployment benefits, nor does it preclude Executive from filing a charge of
discrimination with the state Department of Human Rights or the federal Equal
Employment Opportunity Commission although Executive would not be able

                                       20

<PAGE>

to recover any damages if Executive filed such a charge. This Release includes
but is not limited to all claims relating to Executive's employment and the
separation of Executive's employment. This Release Agreement shall be binding
upon Executive and upon his heirs, administrators, representatives, executors,
successors and assigns. Notwithstanding anything to the contrary contained
herein, in no event shall this Release Agreement constitute a release by the
Executive of his rights with respect to accrued benefits to which he would
otherwise be entitled under any of the Company's employee benefit plans,
programs or other employee benefit arrangements (excluding any severance plans
or arrangements).

         4.       Entire Agreement. This Release Agreement contains the entire
agreement between Executive and the Company with respect to the subject matter
hereof. No modification or amendment to this Release Agreement shall be valid or
binding unless made in writing and signed by the parties. This Release Agreement
will be interpreted under the laws of Minnesota.

         5.       Notification of Rescission Rights.

                  a)       This Release Agreement contains a release of certain
         legal rights which Executive may have under the ADEA or the MHRA.
         Executive should consult with an attorney regarding such release and
         other aspects of this Release Agreement before signing.

                  b)       The termination of Executive's employment by the
         Company will not be affected by Executive's acceptance or failure to
         accept this Release Agreement. If Executive does not accept the terms
         hereof, or if Executive revokes his acceptance of this Release
         Agreement, the Company will not provide to him the benefits described
         herein.

                  c)       Executive has twenty-one (21) days to consider
         whether or not to sign this agreement, starting from the date he first
         receives a copy of this agreement. Executive may sign this agreement at
         any time during this twenty-one (21) day period.

                  d)       After Executive has accepted this Release Agreement
         by signing it, he may revoke his acceptance for a period of fifteen
         (15) days after the date he signed this Release Agreement. This Release
         Agreement will not be effective until this fifteen (15) day revocation
         period has expired.

                  e)       If Executive wishes to revoke his acceptance of this
         Release Agreement he must notify the Company in writing within the
         fifteen (15) day revocation period. Such notice must be delivered to
         the Company in person or mailed by certified mail, return receipt
         requested, addressed to: Computer Network Technology Corporation, 6000
         Nathan Lane North, Plymouth, MN 55442, Attention: Board of Directors).
         If Executive fails to properly deliver or mail such written revocation
         as instructed, the revocation will not be effective.

                                       21

<PAGE>

I first received a copy of this Release Agreement on _____________________.

Date:____________________           ________________________________
                                    Gregory T. Barnum

I agree to accept the terms of this Release Agreement.

Date:____________________           ________________________________
                                    Gregory T. Barnum

COMPUTER NETWORK TECHNOLOGY CORPORATION

By:_____________________________
   Name:
   Title:
   Date:

                                       22

<PAGE>

                                    EXHIBIT B

Minnesota Statutes Annotated Section 181.78 provides as follows:

         Subdivision 1. Any provision in an employment agreement that provides
that an employee shall assign or offer to assign any of the employee's rights in
an invention to the employer shall not apply to an invention for which no
equipment, supplies, facility or trade secret information of the employer was
used and that was developed entirely on the employee's own time, and

         (1)      that does not relate (a) directly to the business of the
employer or (b) to the actual or demonstrably anticipated research or
development, or

         (2)      that does not result from any work performed by the employee
for the employer. Any provision that purports to apply to such an invention is
to that extent against the public policy of this state and is to that extent
unenforceable.

         Subdivision 2. No employer shall require a provision made void and
unenforceable by subdivision 1 as a condition of employment or continuing
employment.

                                       23<PAGE>

                                                                    EXHIBIT 10.3

                     EMPLOYMENT AND NONCOMPETITION AGREEMENT

         This EMPLOYMENT AND NONCOMPETITION AGREEMENT ("Agreement") is made and
entered into as of the latest date appearing on the signature pages of this
Agreement ("Agreement Date") between Computer Network Technology, a Minnesota
corporation ("CNT") and James A. Fanella, an individual resident of the state of
Illinois ("Employee").

         CNT and Employee hereby agree as follows:

         1.       Employment. CNT hereby employs Employee, and Employee accepts
such employment and agrees to perform services for CNT or any affiliate of CNT
(collectively, the "CNT Affiliate(s)"), for the period and upon the other terms
and conditions set forth in this Agreement. For purposes of this Agreement, CNT
affiliate means any entity in which CNT has an ownership interest, other than an
ownership interest in a publicly-held entity of which CNT owns less than 5%, at
anytime during the Term, including but not limited to CNT International Ltd.,
CNT France and Business Impact Technology Solutions Ltd.

         2.       Term. Unless terminated at an earlier date in accordance with
Section 6 of this Agreement, the term of Employee's employment hereunder shall
commence on the Agreement Date and shall extend for a continuous period ending
on the third (3rd) anniversary of the Agreement Date ("the Term"). The parties
may mutually agree to extend the term provided that they do so in a writing
signed by both parties.

         3.       Position and Duties.

         3.01     Service with CNT. Employee agrees to serve as the Executive
Vice President, Worldwide Sales and Services of CNT, and agrees to perform such
employment duties as shall be assigned to Employee from time to time. Employee
acknowledges and agrees that, from time to time, Employee may be required to
perform duties with respect to one or more CNT Affiliates.

         3.02     Performance of Duties. Employee agrees to serve CNT faithfully
and to the best of Employee's ability and to devote Employee's full time,
attention and efforts to the business and affairs of CNT during the Term.
Employee hereby confirms that Employee is under no contractual commitments
inconsistent with Employee's obligations set forth in this Agreement and that,
during the Term, Employee will not render or perform any services for any other
corporation, firm, entity or person which are inconsistent with the provisions
of this Agreement or which would otherwise impair Employee's ability to perform
Employee's duties hereunder.

         4.       Compensation.

         4.01     Base Salary. As base compensation for all services to be
rendered by Employee under this Agreement during the Term, CNT shall pay to
Employee an annualized salary of $260,000. Employee's salary shall be paid in
accordance with CNT's normal payroll procedures and policies, as such procedures
and policies may be modified from time to time and Employee shall be eligible
for annual salary increases consistent with such policies and procedures.

         4.02     Incentive Compensation. During the Term, Employee shall be
eligible for

                                       1

<PAGE>

incentive compensation comprised of a combination of commissions pursuant to the
2003 CNT Sales Compensation Plan and the CNT Bonus Plan, pursuant to the terms
of these plans or any other incentive compensation plans in effect to the extent
that Employee's position, tenure and other qualifications make Employee eligible
to participate provided that CNT continues the plan(s) in effect during
Employee's employment under this Agreement. Employee is eligible for on-target
incentive compensation at 100% achievement of objectives in an annualized amount
of $260,000. CNT's Chief Executive Officer will discuss the objectives of the
bonus plan and the 2003 CNT Sales Compensation Plan, which must be achieved,
with Employee within thirty (30) days of the Agreement Date. Provided that he
remains an employee or provided that he qualifies under Section 6.04, during the
first year of employment, Employee shall receive $100,000 of his on-target
incentive compensation in the form of a non-recoverable draw which will be paid
in quarterly installments. Any quarterly commissions which are earned in
accordance with the terms of the 2003 CNT Sales Compensation Plan will be paid
on a quarterly basis in accordance with the terms of that plan.

         4.03     Deferred Compensation. During the Term, Employee shall be
eligible to participate in the CNT Executive Deferred Compensation Plan,
pursuant to the terms of that plan, to the extent that Employee's position,
tenure and other qualifications make Employee eligible to participate provided
that CNT continues the plan in effect during Employee's employment under this
Agreement.

         4.04     Participation in Benefits. During the Term, Employee shall be
entitled to participate in the employee benefits offered generally by CNT to its
employees, to the extent that Employee's position, tenure, salary, health, and
other qualifications make Employee eligible to participate. Employee's
participation in such benefits shall be subject to the terms of the applicable
plans, as the same may be amended from time to time. CNT does not guarantee the
adoption or continuance of any particular employee benefit during Employee's
employment, and nothing in this Agreement is intended to, or shall in any way
restrict the right of CNT, to amend, modify or terminate any of its benefits
during the term of Employee's employment.

         4.05     Stock Options. CNT shall grant to Employee an option to
purchase 250,000 shares of CNT common stock, which shares shall vest 25% on each
one-year anniversary over a four-year period from the date of the grant. The
options shall expire in accordance with the terms of the applicable plan and
shall be priced at the closing sale price for the trading day immediately
preceding Employee's start date.

         4.06     Expenses. In accordance with CNT's normal policies for expense
reimbursement, CNT will reimburse Employee for all reasonable and necessary
expenses incurred by Employee in the performance of Employee's duties under this
Agreement, subject to the presentment of receipts or other documentation
acceptable to CNT.

         4.07     Moving Expenses. Within 14 days of the Agreement Date, CNT
will pay Employee a one-time payment of thirty thousand dollars ($30,00.00)
(grossed up for taxes) toward Employee's moving expenses. Employee will be
responsible for handling all aspects of his move, including the purchase of a
home, and the sale of an existing home. CNT agrees to pay

                                       2

<PAGE>

for an interim apartment in the Minneapolis, MN area for up to 150 days, and the
cost of three trips between Chicago and Minneapolis for Employee and his wife.

         5.       Confidential Information/Intellectual Property; Other
Employment Policies. As a condition precedent to CNT's hiring of Employee and
CNT's performance of its obligations hereunder, Employee shall execute and
deliver to CNT the signed Nondisclosure Agreement in the form attached hereto as
Exhibit A (the "Nondisclosure Agreement"). Employee shall also comply with all
of the applicable policies generally in effect for employees of CNT or any
applicable CNT Affiliate for which Employee performs services.

         6.       Termination.

         6.01     Termination Due to Employee's Death. Employee's employment
pursuant to this Agreement shall terminate automatically prior to the expiration
of the Term in the event of Employee's death.

         6.02     Termination Due to Employee's Disability. Employee's
employment pursuant to this Agreement shall terminate automatically prior to the
expiration of the Term in the event of Employee's total disability which results
in Employee's inability to perform the essential functions of Employee's
position, with or without reasonable accommodation, provided Employee has
exhausted Employee's entitlement to any applicable leave, if Employee desires to
take and satisfies all eligibility requirements for such leave;

         6.03     Termination by CNT for Cause. Employee's employment pursuant
to this Agreement shall terminate prior to the expiration of the Term in the
event CNT shall determine, in its sole discretion, that there is "cause" to
terminate Employee's employment, which shall include any of the following:

                  (i)      Employee's breach of any contractual obligation to
         CNT or any CNT Affiliate under the terms of this Agreement, the
         Nondisclosure Agreement or any other agreement between Employee and CNT
         or any CNT Affiliate, or of any fiduciary duty to CNT or any CNT
         Affiliate; or

                  (ii)     Employee's conviction of any crime involving moral
         turpitude or any felony; or

                  (iii)    Employee's refusal to carry out any reasonable
         directive of CNT or any CNT Affiliate; or

                  (iv)     Employee's embezzlement of funds of CNT or any CNT
         Affiliate; or

                  (v)      Any conduct by Employee which he reasonably knew or
         should have known is, was or would be detrimental to CNT or any CNT
         Affiliate; or

                  (vi)     Any failure by Employee to comply with the policies
         of CNT or, as applicable, any CNT Affiliate.

                                       3

<PAGE>

         6.04     Termination by CNT Without Cause, Termination Due to Change in
Control or Substantial Reduction in Job Duties Following Change in Control. CNT
may terminate Employee's employment at any time prior to the expiration of the
Term for any reason, and without notice, or as a result of a Change in Control
(as defined in Section 6.04.1) or Employee may terminate employment following a
Change in Control due to, and only in the event of, a substantial reduction in
Employee's duties and responsibilities provided CNT pays to Employee severance
pay as follows: (1) if Employee's termination occurs pursuant to this Section
6.04 prior to the one-year anniversary of the Agreement Date, Employee shall
receive twelve (12) months of base salary and the balance of his non-recoverable
draw, if any, subject to the conditions set forth below; or (2) if Employee's
termination occurs pursuant to this Section 6.04 on or after the one-year
anniversary of the Agreement Date but prior to the three-year anniversary of the
Agreement Date, Employee shall receive six (6) months of base salary subject to
the conditions set forth below. Employee shall only be entitled to severance pay
as described in this Section 6.04 if Employee signs, and does not rescind, a
general release of claims in a form acceptable to CNT. If Employee does not
sign, or does sign and rescinds, such a general release of claims, Employee
shall not be entitled to receive any compensation under the provisions of this
Agreement after the date of termination except as set forth in Section 6.06. Any
severance payment made under this Section 6.04 will be paid within thirty (30)
days after the expiration date of the rescission period in the general release
provided that Employee signs and does not rescind such release.

         6.04.1   Definition of Change in Control. For the purpose of this
Agreement, a "Change of Control" or "Change in Control" shall mean:

                  (a)      The acquisition by an individual, entity or group
         (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities
         Exchange Act of 1934, as amended (the "Exchange Act")) of beneficial
         ownership (within the meaning of Rule 13d-3 promulgated under the
         Exchange Act) of 40% or more of either (i) the then outstanding shares
         of common stock of Company (the "Outstanding Company Common Stock") or
         (ii) the combined voting power of the then outstanding voting
         securities of the Company entitled to vote generally in the election of
         directors (the "Outstanding Company Voting Securities"); provided,
         however, that the following acquisitions shall not constitute a Change
         of Control: (w) any acquisition directly from the Company, (x) any
         acquisition by the Company or any of its subsidiaries, (y) any
         acquisition by any employee benefit plan (or related trust) sponsored
         or maintained by the Company or any of its subsidiaries or (z) any
         acquisition by any corporation with respect to which, following such
         acquisition, more than 60% of, respectively, the then outstanding
         shares of common stock of such corporation and the combined voting
         power of the then outstanding voting securities of such corporation
         entitled to vote generally in the election of directors, is then
         beneficially owned, directly or indirectly, by all or substantially all
         of the individuals and entities who were beneficial owners,
         respectively of the Outstanding Company Common Stock and Outstanding
         Company Voting Securities in substantially the same proportions as
         their ownership, immediately prior to such acquisition, of the
         Outstanding Company Common Stock and Outstanding Company Voting
         Securities, as the case may be; or

                                       4

<PAGE>

                  (b)      Individuals who, as of the date hereof, constitute
         the Company's Board of Directors (the "Incumbent Board") cease for any
         reason to constitute at least a majority of the Company Board of
         Directors; provided, however, that any individual becoming a director
         subsequent to the date hereof whose election, or nomination for
         election by the Company's shareholders, was approved by a vote of at
         least a majority of the directors then comprising the Incumbent Board
         shall be considered as though such individual were a member of the
         Incumbent Board, but excluding, for this purpose, any such individual
         whose initial assumption of office occurs as a result of either an
         actual or threatened election contest (as such terms are used in Rule
         14a-11 of Regulation 14A promulgated under the Exchange Act) or other
         actual or threatened solicitation of proxies or consents; or

                  (c)      Completion by the Company of a reorganization, merger
         or consolidation, in each case, with respect to which all or
         substantially all of the individuals and entities who were the
         beneficial owners, respectively, of the Outstanding Company Common
         Stock and Outstanding Company Voting Securities immediately prior to
         such reorganization, merger or consolidation, beneficially own,
         directly or indirectly, less than 60% of, respectively, of the then
         outstanding shares of common stock and the combined voting power of the
         then outstanding voting securities entitled to vote generally in the
         election of directors, as the case may be, of the corporation resulting
         from such reorganization, merger or consolidation in substantially the
         same proportions as their ownership, immediately prior to such
         reorganization, merger or consolidation of the Outstanding Company
         Common Stock and the Outstanding Company Voting Securities, as the case
         may be; or

                  (d)      Completion by the Company of (i) a complete
         liquidation or dissolution of Company or (ii) the sale or other
         disposition of all or substantially all of the assets of the Company,
         other than to a corporation, with respect to which following such sale
         or other disposition, more than 60% of, respectively, the then
         outstanding shares of common stock of such corporation and the combined
         voting power of the then outstanding voting securities of such
         corporation entitled to vote generally in the election of directors is
         then beneficially owned, directly or indirectly, by all or
         substantially all of the individuals and entities who were the
         beneficial owners, respectively, of the Outstanding Company Common
         Stock and Outstanding Company Voting Securities immediately prior to
         such sale or other disposition in substantially the same proportion as
         their ownership, immediately prior to such sale or other disposition,
         of the Outstanding Company Common Stock and Outstanding Company Voting
         Securities, as the case may be.

         6.05     Termination by Employee. Employee may terminate this Agreement
at any time during its Term by giving 30 days' written notice thereof to CNT's
Board of Directors. Upon notice of termination by Employee, CNT may at its
option elect to have Employee cease to provide services immediately, provided
that during such 30-day notice period Employee shall be entitled to compensation
pursuant to Section 2.

         6.06     Effect of Termination. Notwithstanding any termination of
Employee's employment with CNT, Employee, in consideration of Employee's
employment hereunder to the

                                       5

<PAGE>

date of such termination, shall remain bound by the provisions of this Agreement
which specifically relate to periods, activities or obligations upon or
subsequent to the termination of Employee's employment, including, but not
limited to, the covenants contained in Section 7 hereof and the Nondisclosure
Agreement. In the event that Employee's employment terminates due to Employee's
death, or CNT terminates Employee's employment in accordance with Section 6.03,
above, Employee shall not be entitled to receive any further compensation under
the provisions of this Agreement after the date of such termination except that
Employee shall be entitled to receive any commissions which have been earned
pursuant to the terms of the 2003 CNT Sales Compensation Plan prior to the date
of termination and are unpaid as of the termination date. Any options which are
unvested as of the termination date shall expire and any options which have
vested as of the termination date must be exercised in accordance with the terms
of the applicable stock option agreement.

         6.07     Surrender of Records and Property. Upon termination of
Employee's employment with CNT, Employee shall deliver promptly to CNT all
records, manuals, books, blank forms, documents, letters, memoranda, notes,
notebooks, reports, computer disks, computer software, computer programs
(including source code, object code, on-line files, documentation, testing
materials and plans and reports) designs, drawings, formulae, data, tables or
calculations or copies thereof, which are the property of CNT or any CNT
Affiliate or which relate in any way to the business, products, practices or
techniques of CNT or any CNT Affiliate, and all other property, trade secrets
and confidential information of CNT or any CNT Affiliate, including, but not
limited to, all tangible, written, graphical, machine readable and other
materials (including all copies) which in whole or in part contain any trade
secrets or confidential information of CNT or any CNT Affiliate which in any of
these cases are in Employee's possession or under Employee's control.

         7.       Noncompetition.

         7.01     Agreement Not to Compete. In consideration of CNT's hiring of
Employee and Employee's employment hereunder, Employee agrees that, during the
"Restricted Period" (as hereinafter defined), Employee shall not, directly or
indirectly, engage in any "Competing Business Activity" (as hereinafter
defined), in any manner or capacity (e.g., as an advisor, principal, agent,
partner, officer, director, shareholder, employee, member of any association or
otherwise). As used herein, "Restricted Period" shall mean for the period
between the date hereof and twelve (12) months after the termination of
Employee's employment with CNT (for whatever reason, and whether such
termination is occasioned by Employee or CNT). As used herein, "Competing
Business Activity" shall mean any business activities that are competitive with
the business conducted by CNT or, as applicable, the CNT Affiliate(s) for which
Employee performed services, at or prior to the date of the termination of
Employee's employment with such entities.

         7.02     Geographical Extent of Covenant. The obligations of Employee
under this Section 7 shall apply to all markets, domestic or foreign, in which:
(a) CNT or, as applicable, the CNT Affiliate(s) for which Employee performed
services, operates during the term of the Restricted Period; and (b) CNT or, as
applicable, the CNT Affiliate(s) for which Employee

                                       6

<PAGE>

performed services, have plans to enter at the time of the termination of
Employee's employment with CNT or, as applicable, any CNT Affiliate.

         7.03     Limitation on Covenant. Ownership by Employee, as a passive
investment, of less than one percent of the outstanding shares of capital stock
of any corporation listed on a national securities exchange or publicly traded
in the over-the-counter market shall not constitute a breach of this Section 7.

         7.04     Nonsolicitation; Non-hire and Noninterference. During the
Restricted Period, Employee shall not (a) induce or attempt to induce any
employee of CNT or any CNT Affiliate to leave the employ of CNT or such CNT
Affiliate, or in any way interfere adversely with the relationship between any
such employee and CNT or such CNT Affiliate; (b) induce or attempt to induce any
employee of CNT or any CNT Affiliate to work for, render services to, provide
advice to, or supply confidential business information or trade secrets of CNT
or any CNT Affiliate to any third person, firm or corporation; (c) employ, or
otherwise pay for services rendered by, any employee of CNT or any CNT Affiliate
in any business enterprise with which Employee may be associated, connected or
affiliated; or (d) induce or attempt to induce any customer, supplier, licensee,
licensor or other business relation of CNT or any CNT Affiliate to cease doing
business with CNT or such CNT Affiliate, or in any way interfere with the
relationship between any such customer, supplier, licensee, licensor or other
business relation and CNT or such CNT Affiliate.

         7.05     Indirect Competition or Solicitation. Employee agrees that,
during the Restricted Period, Employee will not, directly or indirectly, assist,
solicit or encourage any other person in carrying out, directly or indirectly,
any activity that would be prohibited by the provisions of this Section 7 if
such activity were carried out by Employee, either directly or indirectly; and,
in particular, Employee agrees that Employee will not, directly or indirectly,
induce any employee of CNT or any CNT Affiliate to carry out, directly or
indirectly, any such activity.

         7.06     Notice to CNT. If at any time during the Restricted Period
Employee accepts new employment or becomes affiliated with a third party,
Employee shall immediately notify CNT of the identity and business of the new
employer or affiliation. Without limiting the foregoing, Employee's obligation
to give notice under this Section 7.06 shall apply to any business ventures in
which Employee proposes to engage even if not with a third-party employer (such
as, without limitation, a joint venture, partnership or sole proprietorship).
Employee hereby consents to CNT's notification to any such new employer or
business venture of the terms of this Agreement.

         8.       Miscellaneous.

         8.01     Governing Law. This Agreement is made under and shall be
governed by and construed in accordance with the laws of the State of Minnesota
without regard to conflicts of laws principles thereof.

         8.02     Entire Agreement. This Agreement (including other agreements
specifically mentioned in this Agreement except that with respect to the 1992
Stock Award Plan it incorporate only the definitions of Effective Date and
Participant) and the Stock Option

                                       7

<PAGE>

Agreement contains the entire agreement of the parties relating to the
employment of Employee by CNT and the other matters discussed herein and
supersedes all prior promises, contracts, agreements and understandings of any
kind, whether express or implied, oral or written, with respect to such subject
matter (including, but not limited to, any promise, contract or understanding,
whether express or implied, oral or written, by and between CNT and Employee),
and the parties hereto have made no agreements, representations or warranties
relating to the subject matter of this Agreement which are not set forth herein
or in the other agreements mentioned herein.

         8.03     Withholding Taxes. CNT or any CNT Affiliate, as applicable,
may take such action as it deems appropriate to insure that all applicable
federal, state, city and other payroll, withholding, income or other taxes
("Taxes") arising from any compensation, benefits or any other payments made
pursuant to this Agreement, or any other contract, agreement or understanding
which relates, in whole or in part, to Employee's employment with CNT or any CNT
Affiliate, are withheld or collected from Employee. In connection with the
foregoing, Employee agrees to notify CNT promptly upon entering into any
contract, agreement or understanding relating to Employee's employment with CNT
or any CNT Affiliate (other than this Agreement and those agreements expressly
provided for herein) and also to notify CNT promptly of any payments or benefits
paid or otherwise made available pursuant to any such agreements.

         8.04     Amendments. No amendment or modification of this Agreement
shall be deemed effective unless made in writing and signed by Employee and the
Chief Executive Officer of CNT.

         8.05     No Waiver. No term or condition of this Agreement shall be
deemed to have been waived, nor shall there be any estoppel to enforce any
provisions of this Agreement, except by a statement in writing signed by the
party against whom enforcement of the waiver or estoppel is sought. Any written
waiver shall not be deemed a continuing waiver unless specifically stated, shall
operate only as to the specific term or condition waived, and shall not
constitute a waiver of such term or condition for the future or as to any act
other than as specifically set forth in the waiver.

         8.06     Assignment. This Agreement shall not be assignable, in whole
or in part, by any party without the written consent of the other party, except
that CNT may, without the consent of Employee, assign its rights and obligations
under this Agreement to any CNT Affiliate or to any corporation, firm or other
business entity with or into which CNT may merge or consolidate, or to which CNT
may sell or transfer all or substantially all of its assets, or of which 50% or
more of the equity investment and of the voting control is owned, directly or
indirectly, by, or is under common ownership with, CNT. After any such
assignment by CNT, CNT shall be discharged from all further liability hereunder
and such assignee shall thereafter be deemed to be CNT for the purposes of all
provisions of this Agreement including this Section 8.06.

         8.07     Injunctive Relief. Employee acknowledges and agrees that the
services to be rendered by Employee hereunder are of a special, unique and
extraordinary character, that it would be difficult to replace such services and
that any violation of Sections 5, 6.07 or 7 hereof

                                       8

<PAGE>

or of the Nondisclosure Agreement would be highly injurious to CNT and/or to any
CNT Affiliate and that it would be extremely difficult to compensate CNT and/or
any CNT Affiliate fully for damages for any such violation. Accordingly,
Employee specifically agrees that CNT or any CNT Affiliate, as the case may be,
shall be entitled to temporary and permanent injunctive relief to enforce the
provisions of Sections 5, 6.07 and 7 hereof and the Nondisclosure Agreement and
that such relief may be granted without the necessity of proving actual damages
and without necessity of posting any bond. This provision with respect to
injunctive relief shall not, however, diminish the right of CNT or any CNT
Affiliate to claim and recover damages, or to seek and obtain any other relief
available to it at law or in equity, in addition to injunctive relief.

         8.08     Venue. Any action at law, suit in equity or judicial
proceeding arising directly, indirectly or otherwise in connection with, out of,
related to or from this Agreement or any provision hereof shall be litigated
only in the courts of Hennepin County, Minneapolis, Minnesota. Employee waives
any right Employee may have to transfer or change the venue of any litigation
brought against Employee by Company.

         8.09     Mediation. CNT and Employee will make a good faith attempt to
resolve any and all claims and disputes arising under this Agreement (excluding
those arising under Sections 5, 6.07 or 7) by submitting them to mediation in
Minneapolis, Minnesota before resorting to any other dispute resolution
procedure or litigation. The mediation of any claim or dispute must be conducted
by a mediator who has had both training and experience as a mediator of general
employment matters and has at least fifteen (15) years experience practicing
employment law. If the parties to this Agreement cannot agree on a mediator,
then the mediator will be selected by the American Arbitration Association.
Within thirty (30) days after the selection of the mediator, Employer and
Employee and their respective attorneys will meet with the mediator for one
mediation session. If the claim or dispute cannot be settled during such
mediation session or mutually agreed continuation of the session, either CNT or
Employee may give the mediator and the other party to the claim or dispute
written notice declaring the end of the mediation process. All discussions
connected with this mediation provision will be confidential and treated as
compromise and settlement discussions. Nothing disclosed in such discussions,
which is not independently discoverable, may be used for any purpose in any
later proceeding. The mediator's fees will be paid in equal portions by CNT and
Employee.

         8.10     Severability. To the extent any provision of this Agreement
shall be determined to be invalid or unenforceable in any jurisdiction, such
provision shall be deemed to be deleted from this Agreement as to such
jurisdiction only, and the validity and enforceability of the remainder of such
provision and of this Agreement shall be unaffected. In furtherance of and not
in limitation of the foregoing, Employee expressly agrees that should the
duration of, geographical extent of, or business activities covered by, any
provision of this Agreement be in excess of that which is valid or enforceable
under applicable law in a given jurisdiction, then such provision, as to such
jurisdiction only, shall be construed to cover only that duration, extent or
activities that may validly or enforceably be covered. Employee acknowledges the
uncertainty of the law in this respect and expressly stipulates that this
Agreement shall be construed in a manner that renders its provisions valid and
enforceable to the maximum extent (not exceeding its express terms) possible
under applicable law in each applicable jurisdiction.

                                       9

<PAGE>

                                            COMPUTER NETWORK TECHNOLOGY

Dated:  February 18, 2003                   By /s/ Thomas G. Hudson
                                               ---------------------------------
                                            Its President

Dated:  February 17, 2003                   /s/James A. Fanella
                                            ------------------------------------
                                            James A. Fanella

                                       10

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