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                                                                   Exhibit 3 (d)
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               ARTICLES OF AMENDMENT-DOMESTIC BUSINESS CORPORATION
                              DBCB:15-1915 (Rev 80)

     In compliance with the requirements of 15 Pa. C. S. (S) 1915 (relating to
articles of amendment), the undersigned business corporation, desiring to amend
its Articles, hereby states that:

1.   The name of the corporation is:    C-COR Electronics, Inc.
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2.   The (a) address of the corporation's current registered office in this
Commonwealth or (b) name of its commercial registered office provider and the
county of venue is (the Department is hereby authorized to correct the following
information to conform to the records of the Department):

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     <S>                                      <C>
     (a) 60 Decibel Road                      State College              PA                16801               Centre
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         Number and Street                       City                   State               Zip                  County

     (b) c/o:------------------------------------------------------------------------------------------
             Name of Commercial Registered Office Provider                                County

     For a corporation represented by a commercial registered office provider, the county in (b) shall be deemed the county in
     which the corporation is located for venue and official publication purposes.

3.   The statute by or under which it was incorporated is: PA Business Corporation Law, Act of May 5, 1933, P L 364
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4.   The date of its incorporation is:         June 30, 1953
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5.   (Check, and if appropriate complete, one of the following):

      X  The amendment shall be effective upon filing these Articles of Amendment in the Department of State
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     --- The amendment shall be effective on:------------------------------ at -----------------------------
                                                          Date                              Hour
6.   (Check one of the following):

     --- The amendment was adopted by the shareholders (or members) pursuant to 15 Pa. C.S. (S) 1914(a) and (b).

      X  The amendment was adopted by the board of directors pursuant to 15 Pa. C.S.(S) 1914(c).
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7.   (Check, and if appropriate complete, one of the following):

      X The amendment adopted by the corporation, set forth in full, is as follows:
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     "1.  The name of the Corporation is C-COR.net Corp."
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     _______________________________________________________________________________________________

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     --- The amendment adopted by the corporation as set forth in full in Exhibit A attached hereto and made a part hereof.

8.   (Check if the amendment restates the Articles):

     --- The restated Articles of Incorporation supersede the original Articles and all amendments thereto.
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     IN TESTIMONY WHEREOF, the undersigned corporation has caused these Articles
of Amendment to be signed by a duly authorized officer thereof this 9th day of
July, 1999.

C-COR ELECTRONICS, INC.