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, Michael J. Borman, 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 of Avocent Corporation on Form 10-Q for the three and nine months ended September 30, 2009 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 Form 10-Q fairly presents in all material respects the financial condition and results of operations of Avocent Corporation.

Date: November 4, 2009

		By:/s/ Michael J. Borman
		Name: Michael J. Borman
		Title: Chief Executive Officer

I, Edward H. Blankenship, 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 of Avocent Corporation on Form 10-Q for the three and nine months ended September 30, 2009 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 Form 10-Q fairly presents in all material respects the financial condition and results of operations of Avocent Corporation.

Date: November 4, 2009

		By:/s/ Edward H. Blankenship
		Name: Edward H. Blankenship
		Title: Senior Vice President of Finance, Chief Financial Officer, and Assistant Secretary

AVOCENT CORP 10-Q