Configuring ibgp between a pe and a ce – H3C Technologies H3C S6800 Series Switches User Manual
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2.
Configure the CE:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view.
bgp as-number N/A
3.
Configure the PE as an
EBGP peer.
peer { group-name |
ipv6-address [ prefix-length ] }
as-number as-number
By default, no BGP peer is
configured.
4.
Create the BGP IPv6 unicast
address family and enter its
view.
address-family ipv6 [ unicast ]
By default, the BGP IPv6 unicast
address family is not created.
5.
Enable IPv6 unicast route
exchange with the specified
peer or peer group.
peer { group-name |
ipv6-address [ prefix-length ] }
enable
By default, BGP does not
exchange IPv6 unicast routes
with any peer.
6.
(Optional.) Configure route
redistribution.
import-route protocol
[ process-id [ med med-value |
route-policy route-policy-name ]
* ]
A CE must advertise its VPN
routes to the connected PE so that
the PE can advertise them to the
peer CE.
Configuring IBGP between a PE and a CE
Use IBGP between PE and CE only in a basic IPv6 MPLS L3VPN network. In networks such as inter-AS
VPN and carrier's carrier, you cannot configure IBGP between PE and CE.
1.
Configure the PE:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view.
bgp as-number N/A
3.
Enter BGP-VPN instance
view.
ip vpn-instance
vpn-instance-name
Configuration commands in
BGP-VPN instance view are the
same as those in BGP view. For
details, see Layer 3—IP Routing
Configuration Guide.
4.
Configure the CE as the
VPN IBGP peer.
peer { group-name |
ipv6-address [ prefix-length ] }
as-number as-number
By default, no BGP peer is
created.
5.
Create the BGP-VPN IPv6
unicast family and enter its
view.
address-family ipv6 [ unicast ]
By default, the BGP-VPN IPv6
unicast family is not created.
6.
Enable IPv6 unicast route
exchange with the specified
peer.
peer { group-name |
ipv6-address [ prefix-length ] }
enable
By default, BGP does not
exchange IPv6 unicast routes
with any peer.