Cisco Cisco IOS Software Releases 12.2 MC

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The Catalyst 3750 Integrated Wireless LAN Controller Switch is an integrated Catalyst 3750 switch and 
Cisco 4400 series wireless LAN controller that supports up to 25 or 50 lightweight access points. The 
switch and the internal controller run separate software versions, which must be upgraded separately. 
These release notes contain information that applies to the software running on the switch, and describes 
only features that are specific to the wireless LAN controller switch.

Cisco IOS Release 12.2(25)FZ runs on all Catalyst 3750 switches. When using the wireless LAN 
controller switch in a stack, you should load this image on all switches in the stack. However, 
wireless capability is available only on the Catalyst 3750 Integrated Wireless LAN Controller 
Switch. Cisco IOS Release 12.2(25)FZ is based on and contains all features of Cisco IOS Release 
12.2(25)SEE. For information about these features, as well as software upgrade procedure, caveats, 
resolved caveats, limitations, and so on, see the 

The integrated controller runs software release 4.0.x.0 for the 4402 wireless controller. For 
information about this controller software release, see the 

. For controller software upgrade 

procedure, see the 

The Catalyst 3750 switches support stacking through Cisco StackWise technology. 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(25)FZ and any 
features, limitations, restrictions, and caveats that apply specifically to this release. 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.