Cisco Cisco IOS Software Release 12.2(27)SBC

© 2006 Cisco Systems, Inc. All rights reserved.

The Cisco IOS Broadband High Availability (HA) In Service Software Upgrade feature ensures 
continuous operations of broadband access protocols on dual Route Processor (RP) Cisco 10000 series 
platforms during software upgrades, downgrades, and service enhancements. 

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 

“Feature Information for Cisco IOS Broadband High Availability In Service Software 

Upgrade” section on page 42

.

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.

Command Reference, page 18