Cisco Cisco IOS Software Release 12.2(27)SBC

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This feature module details changes to commands that are required to support updates to Cisco Express 
Forwarding.

In Cisco IOS Releases 12.2(25)S, 12.2(28)SB, 12.2(33)SRA and 12.2(33)SXH, Cisco Express 
Forwarding has been updated to support new features and new hardware. These updates enable Cisco 
Express Forwarding to operate with the Multiprotocol Label Switching (MPLS) High Availability (HA) 
applications and the MPLS Forwarding Infrastructure (MFI).

Cisco Express Forwarding provides a forwarding path and maintains a complete forwarding and 
adjacency table for both the software and hardware forwarding engines.

Your Cisco IOS software release may not support all of the features documented in this module. To reach 
links to specific feature documentation in this module and to see a list of the releases in which each feature is 
supported, use the 

Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS 
software image support. To access Cisco Feature Navigator, go to 

. An 

account on Cisco.com is not required.