Attached files

file filename
10-K - FORM 10-K - SYCAMORE NETWORKS INCd10k.htm
EX-4.1 - SPECIMEN COMMON STOCK CERTIFICATE - SYCAMORE NETWORKS INCdex41.htm
EX-32.2 - CERTIFICATION OF CFO PURSUANT TO SECTION 906 - SYCAMORE NETWORKS INCdex322.htm
EX-31.1 - CERTIFICATION OF CEO PURSUANT TO SECTION 302 - SYCAMORE NETWORKS INCdex311.htm
EX-21.1 - LIST OF SUBSIDIARIES - SYCAMORE NETWORKS INCdex211.htm
EX-31.2 - CERTIFICATION OF CFO PURSUANT TO SECTION 302 - SYCAMORE NETWORKS INCdex312.htm
EX-23.1 - CONSENT OF PRICEWATERHOUSECOOPERS LLP - SYCAMORE NETWORKS INCdex231.htm

EXHIBIT 32.1—CERTIFICATION OF CHIEF EXECUTIVE OFFICER

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Sycamore Networks, Inc. (the “Company”) on Form 10-K for the year ending July 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Daniel E. Smith, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company, as of, and for the periods presented in the Report.

 

/s/    DANIEL E. SMITH        
Daniel E. Smith
President and Chief Executive Officer
September 24, 2010