Bgp path attributes, Configuring bgp route reflection – H3C Technologies H3C S12500-X Series Switches User Manual
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Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view.
bgp as-number
N/A
3.
Enter BGP IPv6 unicast 
address family view. 
address-family ipv6 [ unicast ]
N/A
4.
Advertise the COMMUNITY
or extended community 
attribute to a peer or peer 
group.
•
Advertise the COMMUNITY
attribute to a peer or peer 
group: 
peer { group-name |
ipv6-address } 
advertise-community 
•
Advertise the extended
community attribute to a peer 
or peer group: 
peer { group-name |
ipv6-address } 
advertise-ext-community 
By default, the COMMUNITY or 
extended community attribute is 
not advertised.
5.
(Optional.) Apply a routing 
policy to routes advertised to 
a peer or peer group.
peer { group-name | 
ipv6-address } route-policy 
route-policy-name export 
By default, no routing policy is 
applied. 
337B
Configuring BGP route reflection
599B
Configuring a BGP route reflector
Perform this task to configure a BGP route reflector and its clients. The route reflector and its clients
automatically form a cluster identified by the router ID of the route reflector. The route reflector forwards
route updates among its clients. 
To improve availability, you can specify multiple route reflectors for a cluster. The route reflectors in the 
cluster must have the same cluster ID to avoid routing loops. 
To configure a BGP route reflector (IPv4): 
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view or BGP-VPN 
instance view. 
•
Enter BGP view:
bgp as-number
•
Enter BGP-VPN instance view:
a.
bgp as-number
b.
ip vpn-instance
vpn-instance-name
N/A
3.
Enter BGP IPv4 unicast 
address family view or 
BGP-VPN IPv4 unicast
address family view.
address-family ipv4 [ unicast ]
N/A
4.
Configure the router as a route 
reflector and specify a peer or 
peer group as its client.
peer { group-name | ip-address } 
reflect-client 
By default, no route reflector or 
client is configured.