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Cisco IOS Broadband High Availability Stateful
Switchover
Switchover
First Published: December 4, 2006
Last Updated: December 2, 2010
Last Updated: December 2, 2010
The Cisco IOS Broadband High Availability (HA) Stateful Switchover (SSO) feature provides the
capability for dual route processor systems to support stateful switchover of PPPoX sessions and allow
applications and features to maintain state while system control and routing protocol execution is
transferred between an active and a standby processor.
capability for dual route processor systems to support stateful switchover of PPPoX sessions and allow
applications and features to maintain state while system control and routing protocol execution is
transferred between an active and a standby processor.
Finding Feature Information in This Module
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
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 Stateful Switchover”
section on page 41
.
Finding Support Information for Platforms and Cisco IOS and Catalyst OS Software Images
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
software image support. To access Cisco Feature Navigator, go to
. An
account on Cisco.com is not required.
Contents
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Feature Information for Cisco IOS Broadband High Availability Stateful Switchover, page 41