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Configuring ebgp between an mce and a pe, Configuring ibgp between an mce and a pe – H3C Technologies H3C S6800 Series Switches User Manual

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Configuring EBGP between an MCE and a 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

N/A

4.

Configure the PE as an
EBGP peer.

peer { group-name | ip-address
[ mask-length ] } 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
[ mask-length ] } enable

By default, BGP does not
exchange IPv4 unicast routes
with any peer.

7.

Redistribute the VPN

routes of the VPN site.

import-route protocol [ process-id |

all-processes ] [ med med-value |
route-policy route-policy-name ] *

By default, no routes are
redistributed into BGP.

8.

(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.

9.

(Optional.) Configure
filtering of received

routes.

filter-policy { acl-number | prefix-list
prefix-list-name } import

By default, BGP does not filter
received routes.

Configuring IBGP between an MCE and a 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

N/A

4.

Configure the PE as an
IBGP peer.

peer { group-name | ip-address
[ mask-length ] } 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
[ mask-length ] } enable

By default, BGP does not
exchange IPv4 unicast routes
with any peer.

7.

Redistribute the VPN

routes of the VPN site.

import-route protocol [ process-id |
all-processes ] [ med med-value |

route-policy route-policy-name ] *

By default, no routes are
redistributed into BGP.

8.

(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.