Exhibit 10.153

LOGO

September 15, 2009

Mr. Mike Harrison

Brocade Communications Systems, Inc.

1745 Technology Drive

San Jose, CA 95110

Subject: Amendment Number 5 to SOW#7 of the IBM/Brocade Goods Agreement ROC-P-68

This letter (the Amendment) serves as Amendment Number 5 to SOW#7, including all amendments thereto (SOW#7) of the Goods
Agreement ROC-P-68 (the Agreement), which the parties hereto do mutually agree to amend as follows



|1. | Attachment A, Pricing, is hereby deleted in its entirety and replaced with Attachment A, Pricing, attached hereto.
|-- | ----------------------------------------------------------------------------------------------------------------------



|2. | Attachment F-2, Branding, Description of Licensed Work, and Milestone Schedules for DCFM is hereby deleted in its entirety and replaced with Attachment F-2,
Branding, Description of Licensed Work, and Milestone Schedules for DCFM, attached hereto.
|-- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The effective date of
this Amendment shall be the date on the top of this Amendment (the Effective Date).

The parties acknowledge that they have read
this Amendment, understand it, and agree to be bound by its terms and conditions. All capitalized terms not defined herein shall have the meaning set forth in the Goods Agreement or the SOW #7. All other terms and conditions of the Goods Agreement
and SOW#7 that are unaffected by the revisions set forth in this Amendment shall remain in full force and effect. Further, the parties agree that this Amendment and the Goods Agreement and SOW#7 are the complete and exclusive statement of the
agreement between the parties, superseding all proposals or other prior agreement, oral or written, and all other communications between the parties relating to this subject.



|                                            |  |                        |  |                                      |  |      |  |                                          |  |                      |  |  |  | 
|------------------------------------------- |  | ---------------------- |  | ------------------------------------ |  | ---- |  | ---------------------------------------- |  | -------------------- |  |  |  | 
|Accepted and Agreed To:                     |  |                        |  | Accepted and Agreed To:              |  |     
|                                            |  |                        | 
|International Business Machines Corporation |  |                        |  | Brocade Communications Systems, Inc. |  |     
|                                            |  |                        |  |                                      | 
|By:                                         |  | /s/ Michelle B. Wright |  | 9/21/09                              |  | By:  |  | /s/ Charles Leeming                      |  | 9/16/09             
|Authorized Signature                        |  | Date                   |  | Authorized Signature                 |  | Date
|                                            |  |                        | 
|Michelle. B. Wright                         |  |                        |  | Charles Leeming                      |  |     
|Type or Print Name                          |  |                        |  | Type or Print Name                   |  |     
|                                            |  |                        | 
|GCM, Storage OEM Procurement                |  |                        |  | VP, WW OEM Sales                     |  |     
|Title & Organization                        |  |                        |  | Title & Organization                 |  |     
|Address:                                    |  |                        |  | Address: 1745 Technology Drive       |  |     
|                                            |  |                        |  | San Jose, CA 95110                   |  |     
|                                            |  |                        |  |                                      | 
|                                            |  |                        |  |                                      |  |      |  | Accepted and Agreed To:                  |  |                     
|                                            |  |                        |  |                                      | 
|                                            |  |                        |  |                                      |  |      |  | Brocade Communications Switzerland, SarL |  |                     
|                                            |  |                        |  |                                      |  |     
|                                            |  |                        |  |                                      |  |      |  | By:                                      |  | /s/ Kevin L. McKenna |  | 
|                                            |  |                        |  |                                      |  |      |  | Authorized
Signature                     |  | Date                
|                                            |  |                        |  |                                      |  |      |  | Kevin L. McKenna                         |  |                     
|                                            |  |                        |  |                                      | 
|                                            |  |                        |  |                                      |  |      |  |                                          |  |                     
|                                            |  |                        |  |                                      |  |      |  | Type or Print Name                       |  |                     
|                                            |  |                        |  |                                      |  |      |  | Director                                 |  |                     
|                                            |  |                        |  |                                      | 
|                                            |  |                        |  |                                      |  |      |  |                                          |  |                     
|                                            |  |                        |  |                                      |  |      |  | Title & Organization                     |  |                     

LOGO



---



Attachment A

Pricing

Table 1 - VFM ENTERPRISE EDITION
PRICING



|                               |  |                 |  |                            |  |                      |  |                         |  |                     |  |           
|------------------------------ |  | --------------- |  | -------------------------- |  | -------------------- |  | ----------------------- |  | ------------------- |  | ----------
|BROCADE                        |  | IBM p/n         |  | IBM VFM Enterprise
Edition
|Brocade p/n                    |  | IBM p/n         |  | US Feature Code            |  | LA/EMEA Feature Code |  | AP/ Canada Feature Code |  | Feature Description |  | UNIT PRICE
|IBM Machine Type / Model: [**] |  | UNIT PRICE [**]
|[**]                           |  | [**]            |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  | [**]            |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|                               |  |                 |  |                            |  |                     
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      
|[**]                           |  |                 |  | [**]                       |  | [**]                 |  | [**]                    |  | [**]                |  | [**]      



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 2 of 11



---



|                               |  |        |  |                                                                      |  |            |  |      |  |      |  |     
|------------------------------ |  | ------ |  | -------------------------------------------------------------------- |  | ---------- |  | ---- |  | ---- |  | ----
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|                               |  |        | 
|IBM Machine Type / Model: [**] |  | VFM EE |  |  Registration for 1st-yr AND1-yr Renewal (Registration and Renewal) |  | UNIT PRICE
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|                               |  |        | 
|IBM Machine Type / Model: [**] |  | VFM EE |  |  If M&S lapses, customer uses this feature (Re-instatement)         |  | UNIT PRICE
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                                 |  | [**]       |  | [**] |  | [**] |  | [**]



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 3 of 11



---



|                               |  |        |  |                                                              |  |                                                       |  |            |  |      |  |     
|------------------------------ |  | ------ |  | ------------------------------------------------------------ |  | ----------------------------------------------------- |  | ---------- |  | ---- |  | ----
|[**]                           |  |        |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  |        |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|                               |  |        |  |                                                             
|IBM Machine Type / Model: [**] |  |        |  | VFM EE                                                       |  |  [**]-yr M&S ordered with new product (Registration) |  | UNIT PRICE
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|                               |  |        | 
|IBM Machine Type / Model: [**] |  | VFM EE |  |  Additional M&S (Renewal0+D118                              |  | UNIT PRICE                                           
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|                               |  |        | 
|IBM Machine Type / Model: [**] |  | VFM EE |  |  If M&S lapses, customer uses this feature (Re-instatement) |  | UNIT PRICE                                           
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]                                                  |  | [**]       |  | [**] |  | [**]



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 4 of 11



---



|     |  |      |  |      |  |      |  |      |  |      |  |     
|---- |  | ---- |  | ---- |  | ---- |  | ---- |  | ---- |  | ----
|[**] |  | [**] |  | [**] |  | [**] |  | [**] |  | [**] |  | [**]
|[**] |  | [**] |  | [**] |  | [**] |  | [**] |  | [**] |  | [**]
|[**] |  | [**] |  | [**] |  | [**] |  | [**] |  | [**] |  | [**]



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 5 of 11



---



Table 2 - VFM MIGRATION EDITION PRICING



|                               |  |         |  |                           |  |                                                                           |  |                        |  |                                  |  |           
|------------------------------ |  | ------- |  | ------------------------- |  | ------------------------------------------------------------------------- |  | ---------------------- |  | -------------------------------- |  | ----------
|BROCADE                        |  | IBM p/n |  | IBM VFM Migration Edition
|Brocade p/n                    |  | IBM p/n |  | US Feature Code           |  | LA/EMEA Feature Code                                                      |  | AP/Canada Feature Code |  | Feature Description              |  | UNIT PRICE
|IBM Machine Type/Model: [**]   |  |         |  |                           |  |                                                                           |  |                        |  | UNIT PRICE(includes [**] yr M&S)
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  |         |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|                               |  |         |  |                          
|IBM Machine Type / Model: [**] |  |         |  | VFM ME                    |  |  Registration for [**]-yr AND [**]-yr Renewal (Registration and Renewal) |  | UNIT PRICE            
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      
|[**]                           |  | [**]    |  | [**]                      |  | [**]                                                                      |  | [**]                   |  | [**]                             |  | [**]      



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 6 of 11



---



|                               |  |      |  |        |  |                                                      |  |            |  |      |  |     
|------------------------------ |  | ---- |  | ------ |  | ---------------------------------------------------- |  | ---------- |  | ---- |  | ----
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  |      |  |        |  | [**]                                                 |  | [**]       |  |      |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|IBM Machine Type / Model: [**] |  |      |  | VFM ME |  |  [**]yr M&S ordered with new product (Registration) |  | UNIT PRICE
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]
|[**]                           |  | [**] |  | [**]   |  | [**]                                                 |  | [**]       |  | [**] |  | [**]



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 7 of 11



---



|                               |  |        |  |                                                              |  |            |  |      |  |      |  |     
|------------------------------ |  | ------ |  | ------------------------------------------------------------ |  | ---------- |  | ---- |  | ---- |  | ----
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|                               |  |        | 
|IBM Machine Type / Model: [**] |  | VFM ME |  |  Additional M&S (Renewal)                                   |  | UNIT PRICE
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|                               |  |        | 
|IBM Machine Type / Model: [**] |  | VFM ME |  |  If M&S lapses, customer uses this feature (Re-instatement) |  | UNIT PRICE
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]
|[**]                           |  | [**]   |  | [**]                                                         |  | [**]       |  | [**] |  | [**] |  | [**]



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 8 of 11



---



Table 3  IBM SYSTEM STORAGE DATA CENTER FABRIC MANAGER V10.3 PRICING



|                              |  |                   |  |                        |  |                                              |  |                                                                    |  |                     |  |           
|----------------------------- |  | ----------------- |  | ---------------------- |  | -------------------------------------------- |  | ------------------------------------------------------------------ |  | ------------------- |  | ----------
|BROCADE                       |  | IBM               |  | IBM (End-Customer P/N) |  | IBM SYSTEM STORAGE DATACENTER FABRIC
MANAGER
|Brocade p/n                   |  | IBM Hub Stock P/N |  | US Feature Code        |  | LA/EMEA Feature Code                         |  | AP/Canada Feature Code                                             |  | Feature Description |  | UNIT PRICE
|IBM Machine Type /Model: [**] |  |                   |  |                        |  |                                              |  | IBM System Storage Data Center Fabric Manager V10.0                |  | UNIT PRICE         
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|IBM Machine Type /Model: [**] |  |                   |  |                        |  |                                              |  | IBM System Storage Data Center Fabric Manager [**] Yr Renewal      |  | UNIT PRICE         
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|IBM Machine Type /Model: [**] |  |                   |  |                        |  |                                              |  | IBM System Storage Data Center Fabric Manager [**]Yr After License |  | UNIT PRICE         
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|IBM Machine Type /Model: [**] |  |                   |  |                        |  |                                              |  | IBM System Storage Data Center Fabric Manager [**]Yr Registration  |  | UNIT PRICE         
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|IBM Machine Type /Model: [**] |  |                   |  |                        |  |                                              |  | IBM System Storage Data Center Fabric Manager [**] Yr Renewal      |  | UNIT PRICE         
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      
|IBM Machine Type /Model: [**] |  |                   |  |                        |  |                                              |  | IBM System Storage Data Center Fabric Manager[**] Yr After License |  | UNIT PRICE         
|[**]                          |  | [**]              |  | [**]                   |  | [**]                                         |  | [**]                                                               |  | [**]                |  | [**]      



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 9 of 11



---



Attachment F-2

Branding, Description of Licensed Work, and Milestone Schedules

For DCFM

1.0 Buyer Branded Version of Suppliers OEM Software Product

The Licensed Work will be comprised of a Buyer-branded version of Suppliers DCFM software product. The Buyer branded version will be called
IBM System Storage Data Center Fabric Manager. Supplier consents to the use by Buyer the name IBM System Storage Data Center Fabric Manager, Data Center Fabric Manager, IBM DCFM, and
DCFM. The Licensed Work will be provided by Supplier to Buyer in Object Code format.

2.0 Description of Licensed Work



|          |  |         |  |                                               |  |               |  |             |  |                              
|--------- |  | ------- |  | --------------------------------------------- |  | ------------- |  | ----------- |  | -----------------------------
|Code Name |  | Version |  | Description                                   |  | Documentation |  | Format      |  | Delivery Requirements        
|DCFM      |  | [**]    |  | IBM System Storage Data Center Fabric Manager |  | Online        |  | Object Code |  | CD, License key documentation

2.1 Product/Operating Systems Supported and System Requirements:

Following are the operating systems supported by DCFM.



|        |  |                                            
|------- |  | -------------------------------------------
|OS      |  | Versions                                   
|Windows |  | 2003 Server, XP, Vista, Longhorn           
|Linux   |  | SuSE Linux ES10, RedHat AS5, RedHat ES4    
|VMWare  |  | ESX Server 3 / 3.5 (Same Guest OS as above)
|Solaris |  | Solaris 10                                 

System requirements



|                        |  |                                                            |  |                                                                 |  |                                                                
|----------------------- |  | ---------------------------------------------------------- |  | --------------------------------------------------------------- |  | ---------------------------------------------------------------
|Server/Client           |  | DCFM Enterprise Small (1 to 2000 ports or 1 to 20 domains) |  | DCFM Enterprise Medium (2001 to 5000 ports or 21 to 60 domains) |  | DCFM Enterprise Large (5001 to 9000 ports or 61 to 120 domains)
|Server + 1 local client |  | 3GB                                                        |  | 4GB                                                             |  | 4Gb                                                            
|Remote client only      |  | 1GB                                                        |  | 2GB                                                             |  | 2GB                                                            

CPU requirements for Windows and Linux



|                        |  |                                    |  |                                                |  |                                               
|----------------------- |  | ---------------------------------- |  | ---------------------------------------------- |  | ----------------------------------------------
|Server/Client           |  | DCFM Enterprise Small              |  | DCFM Enterprise Medium                         |  | DCFM Enterprise Large                         
|Server + 1 local client |  | Intel Core2 duo 2GHz or equivalent |  | Intel Dual CPU Core2 duo 2.4 GHz or equivalent |  | Intel Dual CPU Core2 duo 2.4 GHz or equivalent
|                        |  |                                    | 
|Remote client only      |  | Intel Core2 duo 2GHz or equivalent |  | Intel Core2 duo 2GHz or equivalent             |  | Intel Core2 duo 2GHz or equivalent            



|[**] | Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with
respect to the omitted portions.
|---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Page 10 of 11



---



CPU requirements for Solaris



|                        |  |                                                                                                                                 |  |                                                                                                                                     |  |                                                                                                                                    
|----------------------- |  | ------------------------------------------------------------------------------------------------------------------------------- |  | ----------------------------------------------------------------------------------------------------------------------------------- |  | -----------------------------------------------------------------------------------------------------------------------------------
|Server/Client           |  | DCFM Enterprise Small                                                                                                           |  | DCFM Enterprise Medium                                                                                                              |  | DCFM Enterprise Large                                                                                                              
|Server + 1 local client |  | Sun SPARC Enterprise T5xxx
(T5120, T5140, T5220, T5240, T5440) Processor: 4 Core 1.2 GHz UltraSPARC T2 or T2 Plus or equivalent |  | Sun SPARC Enterprise T5xxx
(T5120, T5140, T5220, T5240, T5440) Processor: 4/6/8 Core 1.4 GHz UltraSPARC T2 or T2 Plus or equivalent |  | Sun SPARC Enterprise T5xxx
(T5120, T5140, T5220, T5240, T5440) Processor: 4/6/8 Core 1.4 GHz UltraSPARC T2 or T2 Plus or
equivalent
|                        |  |                                                                                                                                 | 
|Remote client only      |  | Sun Fire/Sun SPARC Enterprise T1000/T2000 Processor: 4 Core 1.0 GHz UltraSPARC T1 or equivalent                                 |  | Sun Fire/Sun SPARC Enterprise T1000/T2000 Processor: 4 Core 1.0 GHz UltraSPARC T1 or equivalent                                     |  | Sun Fire/Sun SPARC Enterprise T1000/T2000 Processor: 4 Core 1.0 GHz UltraSPARC T1 or equivalent                                    

2.2 Documentation : Supplier will provide Buyer with IBM branded
customer documentation.



| | a) | Internal (standard Supplier documentation)
| | -- | ------------------------------------------



| | b) | External (on-line documentation)
| | -- | --------------------------------



| | c) | No other related written materials
| | -- | ----------------------------------

2.3 Other Materials:



| | a) | Quality Plan: Supplier will provide Buyer with quality plan upon Buyers request
| | -- | --------------------------------------------------------------------------------



| | b) | Test Results: Supplier will provide Buyer with available test results upon Buyers request
| | -- | ------------------------------------------------------------------------------------------



| | c) | Test Cases: Supplier will provide Buyer with available test cases upon Buyers request.
| | -- | ---------------------------------------------------------------------------------------



| | d) | Maintenance and Support Reports (including information required and format)
| | -- | ---------------------------------------------------------------------------



| | e) | Promotional Materials: Buyer and Supplier will mutually determine what promotional materials are needed for the Licensed Works.
| | -- | -------------------------------------------------------------------------------------------------------------------------------



| | f) | Education/Training material: Buyer and Supplier will mutually determine what Education and Training materials are needed for the Licensed Works.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------

2.4 Code deposited onCD media and shipped to Buyer as directed on Buyers purchase order.

3. Identification of Tools

No tools are provided for the Licensed Works.

4. Schedule

The relevant milestones, completion dates, and terms associated with DCFM software.



|                                                                                   |  |                
|---------------------------------------------------------------------------------- |  | ---------------
|Milestone                                                                          |  | Completion Date
|Delivery of the Licensed Work which substantially complies with its Specifications |  | [**]           
|Delivery of the other Deliverables (other than the Licensed Work, Tools, etc.)     |  | [**]           
|Successful completion of Buyers testing of the Licensed Work                      |  | [**]           
|Receipt of the completed Certificate of Originality for the Licensed Work          |  | [**]           
|Other                                                                              |  | [**]           



Page 11 of 11