Exhibit 23.1

                               CONSENT OF KPMG LLP

The Board of Directors
Brocade Communications Systems, Inc.

We hereby consent to the incorporation by reference into Brocade Communications
Systems, Inc.'s registration statement on this Form S-8 of our report dated
November 18,2002, with respect to the consolidated balance sheet of Brocade
Communications Systems, Inc. and subsidiaries as of October 26,2002, and the
related consolidated statements of operations, stockholders' equity, and cash
flow for the year ended October 26,2002, and related financial statement
schedule, which report appears in the annual report on Form 10-K of Brocade
Communications Systems, Inc. for the year ended October 26,2002.

/s/ KPMG LLP

Mountain View, California

February 28,2003