H3C Technologies H3C S6800 Series Switches - Manual (Page 476)

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Configuring IBGP between an MCE and a VPN site
To use IBGP between an MCE and a VPN site, you must configure a BGP peer for each IPv6 VPN
instance on the MCE, and redistribute the IGP routes of each VPN instance on the VPN site.
1. Configure the MCE:
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
N/A
4. Configure an IBGP peer.
peer { group-name |
ipv6-address [ prefix-length ] }
as-number as-number
N/A
5. Enter BGP-VPN IPv6 unicast
address family view.
address-family ipv6 [ unicast ] N/A
6. Enable BGP to exchange
IPv6 unicast routes with the
peer.
peer { group-name |
ipv6-address [ prefix-length ] }
enable
By default, BGP does not
exchange IPv6 unicast routes
with any peer.
7. (Optional.) Configure the
system to be the RR, and
specify the peer as the client
of the RR.
peer { group-name |
ipv6-address [ prefix-length ] }
reflect-client
By default, no RR or RR client is
configured.
After you configure a VPN site as
an IBGP peer, the MCE does not
advertise the BGP routes learned
from the VPN site to other IBGP
peers, including VPNv6 peers.
The MCE advertises routes
learned from a VPN site only
when you configure the VPN site
as a client of the RR (the MCE).
8. Redistribute remote site
routes advertised by the PE
into BGP.
import-route protocol
[ process-id [ med med-value |
route-policy route-policy-name ]
* ]
By default, no routes are
redistributed into BGP.
9. (Optional.) Configure
filtering of advertised routes.
filter-policy { acl6-number |
prefix-list ipv6-prefix-name }
export [ protocol process-id ]
By default, BGP does not filter
advertised routes.
10. (Optional.) Configure
filtering of received routes.
filter-policy { acl6-number |
prefix-list ipv6-prefix-name }
import
By default, BGP does not filter
received routes.
2. Configure a VPN site:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter BGP view. bgp as-number N/A