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bgp cluster-id
Specifies the identifier for the route reflector cluster.
Syntax: [no] bgp cluster-id id-number
id-number
Cluster identifier of this route reflector. Valid values are integers from 0 and 4294967295.
Description: A router reflector cluster normally has a single route reflector. To avoid a single point of failure, you can configure a cluster with more than one route reflector. If more than one route reflector is configured for a cluster, all the route reflectors in the cluster must be configured with a cluster ID. This ID enables route reflectors to recognize route updates from route reflectors in the same cluster.
NOTE You can not modify the cluster ID if any neighbors are configured as route reflector clients.
Use the bgp cluster-id command to define the cluster ID when there is more than one route-reflector in the local autonomous system.
Use the no bgp cluster-id command to remove a cluster ID.
Factory Default: The router ID of the single route reflector in a cluster.
Command Mode: Router configuration.
Example: In the following example:
- The neighbor route-reflector-client command specifies that this router acts as a route reflector.
- The bgp cluster-id command specifies the cluster ID for the router as 2000.
- The show ip bgp summary command displays the setting:
router(config)#router bgp 109
router(config-router)#neighbor 200.85.49.93 remote-as 109
router(config-router)#neighbor 200.85.49.93 route-reflector-client
router(config-router)#bgp cluster id 2000
router(config-router)#end
router#show ip bgp summary
BGP currently operating:
AS: 100
Router ID: 10.50.0.1
Cluster ID: 1000
Related Commands: bgp client-to-client-reflection
neighbor route-reflector-client
show ip bgp
show ip bgp summary
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Copyright © 2004
Avici Systems Inc.
Avici® and TSR®
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Source
File Name: BGP_Nd.fm
HTML File Name: BGP_Nd5.html
Last Updated: 05/10/04 at 16:36:55