Cisco Cisco IOS Software Release 12.2(52)SE

© 2009 Cisco Systems, Inc. All rights reserved.

Cisco IOS Release 12.2(52)SE runs on all Catalyst 3750, 3560, 2975, and 2960 switches and on Cisco 
EtherSwitch service modules.

The Catalyst 3750 switches and the Cisco EtherSwitch service modules support stacking through Cisco 
StackWise technology. The Catalyst 3560, 2975, and 2960 switches do not support switch stacking. 
Unless otherwise noted, the term switch refers to a standalone switch and to a switch stack.

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 the releases. Verify that these release notes are 
correct for your switch:

If you are installing a new switch, see 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, see the software upgrade filename for the software version. 
See the 

For the complete list of Catalyst 3750, 3560, 2975, and 2960 switch documentation and of Cisco 
EtherSwitch service module documentation, see the 

.

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

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