Cisco Cisco IOS Software Release 12.4(2)XB6

Troubleshooting Router Hangs at:

Troubleshooting Memory Problems at:

Troubleshooting High CPU Utilization on Cisco Routers at:

The following sections describe the documentation available for Cisco IOS Release 12.4(14)XK. These 
documents consist of software installation guides, Cisco IOS configuration and command references, 
system error messages, feature modules, and other documents.

Use these release notes with the documents and tools described in the following sections:

The following document is specific to Cisco IOS Release 12.4T and is located on Cisco.com:

Refer to Caveats for Cisco IOS Release 12.4T for caveats applicable to all platforms for all 
maintenance releases of Cisco IOS Release 12.4T.

On Cisco.com at:

Technical Documents > Cisco IOS Software > Cisco IOS Release 12.4 > Release Notes > Cisco IOS 
Release 12.4T > Cross-Platform Release Notes for Cisco IOS 12.4T, Part 5 > Caveats > Caveats for 
Cisco IOS Release 12.4T

If you have an account on Cisco.com, you can also use the Bug Toolkit to find select caveats of any 
severity. To reach the Bug Toolkit, log in to 

 and click Products and Solutions > Cisco IOS 

Software > IOS Technologies > Bug Toolkit. Another option is to go to 

. (If the defect that you have 

requested cannot be displayed, this may be due to one or more of the following reasons: the defect 
number does not exist, the defect does not have a customer-visible description yet, or the defect has been 
marked Cisco Confidential.)