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Creating a bgp pw – H3C Technologies H3C S6800 Series Switches User Manual

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379

Step Command

Remarks

7.

(Optional.) Permit the local AS
number to appear in routes

from the specified peer or
peer group and specify the

appearance times.

peer { group-name | ip-address
[ mask-length ] } allow-as-loop

[ number ]

By default, the local AS number is
not allowed in routes from a peer

or peer group.

8.

(Optional.) Enable route
target-based filtering of

incoming BGP L2VPN

information.

policy vpn-target

By default, route target-based
filtering of incoming BGP L2VPN

information is enabled.

9.

(Optional.) Configure the
router as a route reflector and

specify a peer or peer group

as its client.

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

By default, no route reflector or
client is configured.

10.

(Optional.) Enable L2VPN
information reflection

between clients.

reflect between-clients

By default, L2VPN information
reflection is enabled between
clients.

11.

(Optional.) Configure the
cluster ID of the route reflector.

reflector cluster-id { cluster-id |
ip-address }

By default, a route reflector uses
its own router ID as the cluster ID.

12.

(Optional.) Configure the
filtering of reflected L2VPN

information.

rr-filter extended-community-number

By default, the route reflector
does not filter reflected L2VPN

information.

13.

(Optional.) Return to user
view.

return

N/A

14.

(Optional.) Soft-reset L2VPN

BGP sessions.

refresh bgp { ip-address
[ mask-length ] | all | external |

group group-name | internal }

{ export | import } l2vpn

N/A

15.

(Optional.) Reset L2VPN BGP
sessions.

reset bgp { as-number | ip-address
[ mask-length ] | all | external |

group group-name | internal } l2vpn

N/A

For more information about the peer as-number, peer enable, peer allow-as-loop, peer reflect-client,

reflect between-clients, reflector cluster-id, refresh bgp, and reset bgp commands, see Layer 3—IP

Routing Command Reference.

Creating a BGP PW

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter VSI view.

vsi vsi-name

N/A

3.

Configure the VSI to

automatically discover
neighbors through BGP and

enter auto-discovery VSI view.

auto-discovery bgp

By default, a VSI does not
automatically discover neighbors

through BGP.

4.

Configure an RD for the

auto-discovery VSI.

route-distinguisher
route-distinguisher

By default, no RD is configured for
the auto-discovery VSI.