Cisco Cisco IOS Software Release 12.2(52)SE

© 2009 Cisco Systems, Inc. All rights reserved.

Cisco IOS Release 12.2(52)SE and later runs only on the Catalyst 3550-24-DC multilayer switch.

These release notes include important information about Cisco IOS Release 12.2(52)SE and later and 
any limitations, restrictions, and caveats that apply to them. Verify that these are the correct release notes 
for your switch:

If you are installing a new switch, refer to the Cisco IOS release label on the rear panel of your 
switch.

If your switch is on, use the show version privileged EXEC command. See the 

If you are upgrading to a new release, refer to the software upgrade filename for the Cisco IOS 
version. See the 

.

For the complete list of Catalyst 3550 switch documentation, see the 

You can download the switch software from this site (registered Cisco.com users with a login password):

http://tools.cisco.com/support/downloads/go/MDFTree.x?butype=switches

This Cisco IOS release is part of a special release of Cisco IOS software that is not released on the same 
8-week maintenance cycle that is used for other platforms. As maintenance releases and future Cisco 
IOS releases become available, they will be posted to Cisco.com in the Cisco IOS software area.