Brocade Communications Systems (BRCD) 10-Q 2015 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

AND CHIEF FINANCIAL OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Lloyd A. Carney, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of Brocade Communications Systems, Inc. for the fiscal quarter ended May 2, 2015 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Brocade Communications Systems, Inc.

Date: June 5, 2015

By:	/s/ Lloyd A. Carney
	Lloyd A. Carney
	Chief Executive Officer

I, Daniel W. Fairfax, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of Brocade Communications Systems, Inc. for the fiscal quarter ended May 2, 2015 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Brocade Communications Systems, Inc.

Date: June 5, 2015

By:	/s/ Daniel W. Fairfax
	Daniel W. Fairfax
	Senior Vice President and Chief Financial Officer