Cisco Cisco IOS Software Release 12.4(2)XB6

The Cisco Fast Ethernet HWICs are single-wide interface cards, available as a 1-port HWIC 
(HWIC-1FE) and as a 2-port HWIC (HWIC-2FE), that provide Cisco modular and integrated services 
routers with additional line-rate Layer 3 routed ports. The following enhancements have been made in 
Cisco IOS Release 12.4(11)XJ: 

Extended VLAN ID

HWIC one FE and two FE ports 

For more information about these features, see the following documentation on Cisco.com:

 

There are no new software features in this release.

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 the 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 Cisco IOS Release 12.4(11)XJ. For information on 
caveats in Cisco IOS Release 12.4(11)T, refer to the 

document. This document lists severity 1 and 2 caveats; the documents are located on