Cisco Cisco IOS Software Release 12.2(33)SRE

SSO HSRP alters the behavior of Hot Standby Router Protocol (HSRP) when a router with redundant 
Route Processors (RPs) is configured for SSO. When an RP is active and the other RP is standby, Stateful 
Switchover (SSO) enables the standby RP to take over if the active RP fails.

Configuration information is included in the “Configuring HSRP” chapter in the Cisco IOS IP 
Application Services Configuration Guide, Release 12.4T

at the following URL:

Command reference information is included in the Cisco IOS IP Application Services Command 
Reference, Release 12.2SR, at the following URL:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122sr/cr/sriap_r/index.htm

The following commands are new or modified for this feature:

Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and 
figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and 
coincidental.

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