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Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 7 Configuring NSF with SSO Supervisor Engine Redundancy
NSF Configuration Tasks
Note If a newly installed redundant supervisor engine has the Catalyst operating system installed,
remove the active supervisor engine and boot the router with only the redundant supervisor
engine installed. Follow the procedures in the current release notes to convert the redundant
supervisor engine from the Catalyst operating system.
• The configuration register in the startup-config must be set to autoboot.
Note There is no support for booting from the network.
Configuration Mode Restrictions
The following configuration restrictions apply during the startup synchronization process:
• You cannot perform configuration changes during the startup (bulk) synchronization. If you attempt
to make configuration changes during this process, the following message is generated:
Config mode locked out till standby initializes
• If configuration changes occur at the same time as a supervisor engine switchover, these
configuration changes are lost.
NSF Configuration Tasks
The following sections describe the configuration tasks for the NSF feature:
• Configuring SSO, page 7-12
• Configuring Multicast MLS NSF with SSO, page 7-12
• Verifying Multicast NSF with SSO, page 7-13
• Configuring CEF NSF, page 7-13
• Verifying CEF NSF, page 7-13
• Configuring BGP NSF, page 7-14
• Verifying BGP NSF, page 7-14
• Configuring OSPF NSF, page 7-15
• Verifying OSPF NSF, page 7-15
• Configuring IS-IS NSF, page 7-16
• Verifying IS-IS NSF, page 7-17
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