H3C Technologies H3C S6800 Series Switches User Manual

Page 18

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11

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 | ip-address }
as-number as-number

N/A

5.

Enter BGP-VPN IPv4 unicast

address family view.

address-family ipv4 [ unicast ]

N/A

6.

Enable BGP to exchange
IPv4 unicast routes with the

peer.

peer { group-name | ip-address }
enable

By default, BGP does not
exchange IPv4 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 | ip-address }
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 VPNv4 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 | all-processes ]

[ allow-direct | 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 { acl-number |
prefix-list prefix-list-name }

export [ protocol process-id ]

By default, BGP does not filter
advertised routes.

10.

(Optional.) Configure

filtering of received routes.

filter-policy { acl-number |
prefix-list prefix-list-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

3.

Configure the MCE as an

IBGP peer.

peer { group-name | ip-address }
as-number as-number

N/A

4.

Enter BGP-VPN IPv4 unicast
address family view.

address-family ipv4 [ unicast ]

N/A

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