Cisco Cisco IOS Software Release 12.4(2)XB6 Release Notes

© 2006 Cisco Systems, Inc. All rights reserved.

These release notes describe new features and significant software components for the Cisco 2600XM 
and Cisco 2691 series routers that support the Cisco IOS Release 12.4(2)XA releases. These release 
notes are updated as needed to describe new memory requirements, new features, new hardware support, 
software platform deferrals, microcode or modem code changes, related document changes, and any 
other important changes. Use these release notes with the 

located on 

 and the Documentation CD.

For a list of the software caveats that apply to Release 12.4(2)XA, see the 

and 

. The online caveats document is updated for every 

maintenance release and is located on 

and the Documentation CD.