Cisco Cisco IOS Software Release 12.4(2)XB6

To use Cisco Feature Navigator, you must have a JavaScript-enabled web browser such as Netscape 3.0 
or later, or Internet Explorer 4.0 or later. Internet Explorer 4.0 always has JavaScript enabled. To enable 
JavaScript for Netscape 3.x or Netscape 4.x, follow the instructions provided with the web browser. For 
JavaScript support and enabling instructions for other browsers, check with the browser vendor.

Cisco Feature Navigator is updated when major Cisco IOS software releases and technology releases 
occur. You can access Feature Navigator at the following URL:

The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS 
command references, and several other supporting documents.

Each module in the Cisco IOS documentation set consists of one or more configuration guides and one 
or more corresponding command references. Chapters in a configuration guide describe protocols, 
configuration tasks, and Cisco IOS software functionality, and contain comprehensive configuration 
examples. Chapters in a command reference provide complete command syntax information. Use each 
configuration guide with its corresponding command reference.

available in html or pdf form.

Select your release and click the command references, configuration guides, or any other Cisco IOS 
documentation you need

For information on obtaining documentation, obtaining support, providing documentation feed-back, 
security guidelines, and also recommended aliases and general Cisco documents, see the monthly What’s 
New in Cisco Product Documentation, which also lists all new and revised Cisco technical 
documentation at:

The following notices pertain to this software license.

This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit 
(

This product includes cryptographic software written by Eric Young (eay@cryptsoft.com).

This product includes software written by Tim Hudson (tjh@cryptsoft.com).