Cisco Cisco IOS Software Release 12.4(4)T

The following sections describe the documentation available for Cisco IOS Release 12.4T. 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.)

Feature modules describe new features that are supported in Cisco IOS Release 12.4T and are updates 
to the Cisco IOS documentation set. A feature module consists of a brief overview of the feature, 
benefits, configuration tasks, and a command reference. As updates, the feature modules are available 
online only. Feature module information is incorporated into the next printing of the Cisco IOS 
documentation set. 

On Cisco.com at:

Technical Documents > Cisco IOS Software > Cisco IOS Release 12.4 > New Feature 
Documentation > 12.4T New Features and System Messages