Cisco Cisco IOS Software Release 12.2(4)B

Copyright © 2002. Cisco Systems, Inc. All rights reserved.

You can find the most current Cisco IOS documentation on Cisco.com. This set of electronic 
documents contains the latest updates and modifications.

These release notes for the Cisco 6400 describe the enhancements provided in Cisco IOS 
Release 12.2(4)B3. This release is based on Cisco IOS Release 12.2(2)B5, which in turn is based on 
12.2(4)T1 and reflects a combination of prior Releases 12.2(2)B, 12.1(5)DB, and 12.1(5)DC for the 
Cisco 6400. All features included in Cisco IOS Release 12.2(2)B and Cisco IOS Release 12.2(2)B5, as 
well as Cisco IOS Releases 12.1(5)DB and 12.1(5)DC, are included in this release. For information 
about these releases, refer to: 

http://www.cisco.com/univercd/cc/td/doc/product/dsl_prod/6400/relnotes/index.htm

If you have a Cisco 6400 running a Cisco IOS Release 12.2(2)B and you are upgrading to Release 
12.2(4)B3, refer to 

 for a summary of important configuration differences.

For a list of the software caveats that apply to Release 12.2(4)B3, see the 

 and Caveats for Cisco IOS Release 12.2 T. The caveats document is updated for every 

maintenance release and is located on Cisco.com and the Documentation CD-ROM.

Use these release notes in conjunction with the cross-platform Release Notes for Cisco IOS
Release 12.2 T, located on Cisco.com and the Documentation CD-ROM.

In these release notes, the acronym NRP refers to the NRP-1, NRP-2, and NRP-2SV. Where there are 
differences among the NRP types, a clear distinction is made.

Cisco recommends that you view the field notices for this release to see if your software or hardware 
platforms are affected. If you have an account on Cisco.com, you can find field notices at 
http://www.cisco.com/warp/customer/770/index.shtml. If you do not have a Cisco.com login account, 
you can find field notices at http://www.cisco.com/warp/public/770/index.shtml.