3Com Switch 4800G 24-Port Configuration Manual page 481

To do...
Configure the cluster ID of
the route reflector
n
In general, since the route reflector forwards routing information between
■
clients, it is not required to make clients of a route reflector fully meshed. If
clients are fully meshed, it is recommended to disable route reflection between
clients to reduce routing costs.
If a cluster has multiple route reflectors, you need to specify the same cluster ID
■
for these route reflectors to avoid routing loops.
Configuring a Large Scale IPv6 BGP Network
Use the command...
reflector cluster-id cluster-id Optional
481
Remarks
By default, a route reflector
uses its router ID as the cluster
ID