3com MSR 20-20 참조 매뉴얼

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Use the reflect between-clients command to enable route reflection between 
clients.

Use the undo reflect between-clients command to disable this function.

By default, route reflection between clients is enabled.

After a route reflector is configured, it reflects the routes of a client to other 
clients. If the clients of a route reflector are fully meshed, you need disable route 
reflection between clients to reduce routing costs.

reflector cluster-id (BGP view) and peer reflect-client (BGP/BGP-VPN 
instance view).

# Disable route reflection between clients.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] undo reflect between-clients 

reflector cluster-id cluster-id

BGP view

cluster-id: Cluster ID of the route reflector, an integer from 1 to 4294967295 (the 
integer is translated into an IP address by the system) or an IP address.

Use the reflector cluster-id command to configure the cluster ID of the route 
reflector.

Use the undo reflector cluster-id command to remove the configured cluster 
ID.

By default, each route reflector uses its router ID as the cluster ID.

Usually, there is only one route reflector in a cluster. The router ID of the route 
reflector is the ID of the cluster. You can configure multiple route reflectors to 
improve the stability of the network. In this case, using this command can 
configure the identical cluster ID for all the route reflectors to avoid routing loops.

reflect between-clients (BGP view) and peer reflect-client (BGP/BGP-VPN 
instance view).

# Set the cluster ID to 80.