Exhibit 99.1

The following statement is being made to the Securities and Exchange Commission
solely for purposes of Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C.
1349), which carries with it certain criminal penalties in the event of a
knowing or willful misrepresentation.

Securities and Exchange Commission
450 Fifth Street, NW
Washington, DC  20549

         Re:  Inrange Technologies Corporation

Ladies and Gentlemen:

         In accordance with the requirements of Section 906 of the
Sarbanes-Oxley Act of 2002 (18 USC 1349), each of the undersigned hereby
certifies that:

                  (i)      this Quarterly Report on Form 10-Q fully complies
         with the requirements of section 13(a) or 15(d) of the Securities
         Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

                  (ii)     the information contained in this report fairly
         presents, in all material respects, the financial condition and results
         of operations of Inrange Technologies Corporation.

Dated as of this 14th day of November, 2002.


                                        
/s/ Kenneth H. Koch                        /s/ John R. Schwab
- ---------------------------                -----------------------------
Kenneth H. Koch                            John R. Schwab
President and Chief Executive Officer      Vice President and Chief Financial Officer