POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the
undersigned hereby constitutes and appoints
Jonathan Chadwick, Mark Chandler
and Evan Sloves, and each of them,
his or her true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the
undersigned, in the undersigneds capacity as an
officer of Cisco Systems, Inc. (the Company),
any and all Form ID, or Form 3, 4 or 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
with respect to transactions in Cisco securities;

(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 ID, or Form 3, 4 or 5 report and timely file
such report with the United States 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
or her 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 or 5 reports with respect
to the undersigneds 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 4th day of February, 2008.

Signature:   /s/ Frank A. Calderoni
Printed Name: Frank A. Calderoni