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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide
72
7-13 bgp cluster-id
This command is used to configure the cluster ID of the route reflector. To remove the cluster ID, use the no form of this
command.
bgp cluster-id CLUSTER-ID
no bgp cluster-id
Parameters
Command Default Level
Level: 8. (EI Mode Only Command)
Usage Guideline
By default, the clients of a router reflector are not required to be fully meshed and the
routes from a client are reflected to other clients. However, if the clients are fully
meshed, route reflection is not required. In this case, use the no bgp client-to-client
reflection command to disable client-to-client reflection.
Use the show ip bgp reflection command to verify your settings.
Example
This example shows how to enable the route reflector function of the local router.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#router bgp 100
DXS-3600-32S(config-router)#bgp client-to-client reflection
DXS-3600-32S(config-router)#
CLUSTER-ID Specifies the cluster ID, in the IPv4 address format, for the router reflector.
Default
By default, this value is the local router’s ID.
Command Mode
Router Configuration Mode.
Command Default Level
Level: 8. (EI Mode Only Command)
Usage Guideline
When a single route reflector is deployed in a cluster and the cluster ID of the route
reflector is 0.0.0.0, the cluster is identified by the router ID of the route reflector.
Otherwise, the cluster is identified by the cluster ID.
This command is used to assign a cluster ID to a route reflector. Multiple route
reflectors are deployed in a cluster to increase redundancy and to avoid a single
point of failure. When multiple route reflectors are configured in a cluster, they must
be configured with the same cluster ID. This allows all route reflectors, in the cluster,
to recognize updates from the peers in the same cluster and reduces the number of
updates that needs to be stored in BGP routing tables.
This command is only required for the reflector and not for the client.
Use the show ip bgp reflection command to verify your settings.
Example
In the following example, the local router is one of the route reflectors serving the
cluster. It is configured with a cluster ID to identify the cluster.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)#router bgp 100
DXS-3600-32S(config-router)#neighbor 172.18.0.16 route-reflector-client
DXS-3600-32S(config-router)#bgp cluster-id 10.0.0.2
DXS-3600-32S(config-router)#
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