Cisco Cisco IOS Software Release 12.4(2)XB6

For information regarding the features supported in Cisco IOS Release 12.4T, see the Cross-Platform 
Release Notes and New Feature Documentation links at the following location on Cisco.com:

There are no known limitations or restrictions in this release.

Caveats describe unexpected behavior or defects in Cisco IOS software releases. Severity 1 caveats are 
the most serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious 
of these three severity levels.

Caveats in Cisco IOS Release 12.4(11)T are also in Release 12.4(11)XJ. For information on caveats in 
Cisco IOS Release 12.4T, see the 

Caveats for Cisco IOS Release 12.4T

 document. This document lists 

severity 1 and 2 caveats; the documents are located on 

.

If you have an account with 

, you can also use the Bug Toolkit to find select caveats of any 

severity. To reach the Bug Toolkit, log in to 

 and click Service & Support: Technical 

Assistance Center: Tool Index: Bug Toolkit. Another option is to go to: 

This section contains the following caveat information:

There are no open caveats in this release.