H3C LS-3100-52P-OVS-H3 Operation Manual - page 700
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To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Advertise the
community attribute to
a peer/peer group
peer { group-name | ip-address }
advertise-community
Advertise the
community
attribute to a
peer/peer group
Advertise the
extended community
attribute to a peer/peer
group
peer { group-name | ip-address }
advertise-ext-community
Required
Not configured
by default.
Apply a routing policy to routes advertised
to a peer/peer group
peer { group-name | ip-address }
route-policy route-policy-name
export
Required
Not configured
by default.
Configuring a BGP Route Reflector
If an AS has many BGP routers, you can configure them as a cluster and configure one of them as a
route reflector and others as clients to reduce iBGP connections.
To enhance network reliability and prevent single point failures, you can specify multiple route reflectors
for a cluster. The route reflectors in the cluster must have the same cluster ID specified to avoid routing
loops.
Follow these steps to configure a BGP route reflector:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Configure the router as a route
reflector and specify a
peer/peer group as its client
peer { group-name |
ip-address } reflect-client
Required
Not configured by default.
Enable route reflection
between clients
reflect between-clients
Optional
Enabled by default
Configure the cluster ID of the
route reflector
reflector cluster-id cluster-id
Optional
By default, a route reflector
uses its router ID as the cluster
ID.