The Cisco Catalyst 3550 Series Switches has been retired and is no longer supported.
End-of-Sale Date: 2006-05-02
End-of-Support Date: 2011-05-02
Cisco's End-of-Life Policy
You can view a listing of available Campus LAN Switches - Access offerings that best meet your specific needs
If you want support information for the Cisco Catalyst 3550 Series Switches documentation, it may be available through Cisco.com Search or in the Cisco Community