Cisco Cisco 2106 Wireless LAN Controller

© 2009 Cisco Systems, Inc. All rights reserved.

These release notes describe features, enhancements, and caveats in release 4.1.192.22M.

Release 4.1.192.22M is compatible with releases 5.0 and 5.1 of the Cisco Wireless Control System 
(WCS) and is supported on the following Cisco Wireless LAN controller platforms:

2106, 4400 series and Wireless Service Module (WiSM) for the Catalyst 6500 and 7600.

Release 4.1.192.22M supports full interoperability between the following indoor and outdoor mesh 
access points:

Cisco Aironet 1520 (1522, 1524) series and 1500 (1505 and 1510) series outdoor access points

Cisco Aironet 1130AG and 1240 AG series indoor access points.

Release 4.1.192.22M also supports the following indoor non-mesh Cisco access points:

1000 series, 1100 series, 1130 series, 1200 series, 1230 series, 1240 series and 1300 series.

1250 series access points are not supported in this release.

If some or all of your indoor access points will be operating in an indoor Enterprise Mesh 
deployment, or an upgrade to a mesh deployment is planned, install mesh release 4.1.192.22M on 
your controller.

If your indoor access points will not be operating in an indoor mesh deployment, and no future 
upgrade to a mesh deployment is planned, install non-mesh release 4.2 or later on your controller.

A downgrade to mesh releases 4.1.190.5, 4.1.191.24M, and 4.1.192.22M from non-mesh release 4.2 is 
not supported. Please see the 

 for important software upgrade 

and compatibility details prior to upgrading to this release.