Computer Network Technology (CMNT) 10-K 2005 FY Annual report

EXHIBIT 32.0

               COMPUTER NETWORK TECHNOLOGY CORPORATION CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (18 U.S.C. 1350)

               Each of the undersigned, Thomas G. Hudson and Gregory T. Barnum, the Chief Executive Officer and the Chief Financial Officer, respectively, of Computer Network Technology Corporation (the “Company”), individually and not jointly has executed this Certification in connection with the filing with the Securities and Exchange Commission of the Company’s Annual Report on Form 10-K for the fiscal year ended January 31, 2005 (the “Report”).

	Each of the undersigned hereby certifies that:
•	the Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and
•	the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
	IN WITNESS WHEREOF, each of the undersigned has executed this Certification as of the 11th day of April, 2005.

/s/ Thomas G. Hudson

Thomas G. Hudson

Chief Executive Officer

/s/ Gregory T. Barnum

Gregory T. Barnum

Chief Financial Officer

               A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906, OR OTHER DOCUMENT AUTHENTICATING, ACKNOWLEDGING OR OTHERWISE ADOPTING THE SIGNATURE THAT APPEARS IN TYPED FORM WITHIN THE ELECTRONIC VERSION OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906, HAS BEEN PROVIDED TO COMPUTER NETWORK TECHNOLOGY CORPORATION AND WILL BE RETAINED BY COMPUTER NETWORK TECHNOLOGY CORPORATION AND FURNISHED TO THE SECURITIES AND EXCHANGE COMMISSION UPON ITS WRITTEN REQUEST.