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Route Switch Processor (RSP8) Installation and Configuration Guide
OL-4920-02
Enabling High Availability Features
To configure BGP for NSF, use the following commands beginning in privileged EXEC configuration
mode, and repeat this procedure on each of the BGP NSF peer devices:
Configuring OSPF NSF
Note All peer devices participating in OSPF NSF must be made OSPF NSF-aware, which happens
automatically once you install an NSF software image on the device.
Toconfigure NSF for OSPF, use the following commands beginning in privilegedEXEC configuration
mode:
Configuring IS-IS NSF
To configure NSF for IS-IS, use the following commands beginning in privileged EXEC configuration
mode:
Command Purpose
Step1 Router# configure terminal Enters global configuration mode.
Step2 Router(config)#router bgp
as-number Enables a BGP routing process, and enters router
configuration mode.
Step3 Router(config-router)#bgp
graceful-restart Enablesthe BGP graceful restart capability, starting NSF for
BGP.
If you enter this command after the BGP session has been
established,you must restart the session for the capability to
be exchanged with the BGP neighbor.
Usethis command on the restarting router and all of its peers.
Command Purpose
Step1 Router# configure terminal Enters global configuration mode.
Step2 Router(config)#router ospf processID Enables an OSPF routing process, and enters router
configuration mode.
Step3 Router(config-router)#nsf Enables NSF operations for OSPF.
Command Purpose
Step1 Router# configure terminal Enters global configuration mode.
Step2 Router(config)#router isis [tag] Enables an IS-IS routing process, and enters router
configuration mode.