Section 16 Limited Power of Attorney



 I, Harry Silverglide, in my capacity as an officer and/or director

of Extreme Networks, Inc. (the "Company") hereby constitute and appoint

each of William Slakey, Rebecca Guerra, Megan Buckley, J. Howard Clowes

and Elizabeth O'Callahan, individually and with full power of

substitution, my true and lawful attorney-in-fact, in my name and on

my behalf to,:



(1) prepare, execute and submit to the U.S. Securities and Exchange

Commission (the "SEC") a Form ID, including amendments thereto,

and any other documents necessary or appropriate to obtain codes

and passwords enabling the undersigned to make electronic filings

with the SEC of reports required by Section 16(a) of the Securities

Exchange Act of 1934 or any rule or regulation of the SEC;



(2) execute Forms 3, 4, and 5 in accordance with Section 16(a) of the

Securities Exchange Act of 1934 and the rules thereunder;



(3)  do and perform any and all acts which may be necessary or

desirable to complete and execute any such Form 3, 4, or 5,

complete and execute any amendment or amendments thereto, and

timely file such form with the SEC and any stock exchange or

similar authority; and



(4) 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 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 such attorney-in-fact's discretion.



 I hereby grant to each such attorney-in-fact the full power

and authority to do and perform any and every act requisite, necessary,

or proper to be done in the exercise of any of the rights and powers

granted herein, as fully to all intents and purposes as I might do

if personally present.  I hereby ratify and confirm all that such

attorney-in-fact shall lawfully do or cause to be done by virtue of

this power of attorney and the rights and powers granted herein.

I hereby acknowledge that the foregoing attorneys-in-fact, in

serving in such capacity at my request, are not assuming, nor is

the Company assuming, any of my 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 I am no longer required to file Forms 3, 4, and 5 with respect

to my holdings of and transactions in securities issued by the

Company, unless earlier revoked in a signed writing delivered to

 the VP General Counsel of the Company.



 IN WITNESS WHEREOF, the undersigned has caused this Power of

Attorney to be executed as of this 26 day of May, 2004.





Signature: /s/ Harry Silverglide

Print Name:  Harry Silverglide