POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the
undersigned hereby constitutes and appoints each of Andy
Kryder and Janice Mahoney his, her or its true and lawful
attorney-in-fact to:
(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer, director and/or 10%
stockholder of Network Appliance, Inc. (the "Company"),
any and all Form 3, 4 and 5 reports required to be filed by
the undersigned in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;
(2)	do and perform any and all acts for and on behalf of
the undersigned which may be necessary or desirable to
complete and execute any such Form 3, 4 and 5 report and
timely file such report with the Securities and Exchange
Commission and any stock exchange or similar authority;
and
(3)	take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of,
or legally required by, the undersigned, it being understood
that the documents executed by such attorney-in-fact on
behalf of the undersigned, pursuant to this Power of
Attorney, shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve
in his discretion.
The undersigned hereby grants to each such attorney-in-
fact full power and authority to do and perform each and
every act and thing whatsoever requisite, necessary, and
proper to be done in the exercise of any of the rights and
powers herein granted, as fully to all intents and purposes
as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney-in-fact, or
his substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and
powers herein granted.  The undersigned acknowledges that
no such attorney-in-fact, in serving in such capacity at the
request of the undersigned, is hereby assuming, nor is the
Company hereby assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Form 3, 4
and 5 reports with respect to the undersigned's holdings of
and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of this 8th day of
December, 2005.

By: s/ Robert E. Salmon

Print Name: Robert E. Salmon