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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:
| Command | Purpose |
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Step 1 | Router# configure terminal | Enters global configuration mode. |
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Step 2 | Router(config)# router bgp | Enables a BGP routing process, and enters router |
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| configuration mode. |
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Step 3 | Enables the BGP graceful restart capability, starting NSF for | |
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| BGP. |
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| If you enter this command after the BGP session has been |
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| established, you must restart the session for the capability to |
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| be exchanged with the BGP neighbor. |
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| Use this command on the restarting router and all of its peers. |
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Configuring OSPF NSF
Note All peer devices participating in OSPF NSF must be made OSPF
To configure NSF for OSPF, use the following commands beginning in privileged EXEC configuration mode:
| Command | Purpose |
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Step 1 | Router# configure terminal | Enters global configuration mode. |
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Step 2 | Router(config)# router ospf processID | Enables an OSPF routing process, and enters router |
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| configuration mode. |
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Step 3 | Enables NSF operations for OSPF. | |
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Configuring IS-IS NSF
To configure NSF for
| Command | Purpose |
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Step 1 | Router# configure terminal | Enters global configuration mode. |
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Step 2 | Router(config)# router isis [tag] | Enables an |
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| configuration mode. |
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Route Switch Processor (RSP8) Installation and Configuration Guide
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