Optional) Storing Information About The Vpn Instance On The Asbr - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN
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3.7.5 (Optional) Storing Information About the VPN Instance on
the ASBR
If VPNv4 routes need to be sent and received on an ASBR, you can configure the relevant VPN
instance on the ASBR.
Context
If the VPN receives and sends the VPNv4 routing information through the ASBR, configure the
corresponding instance on the ASBR. Otherwise, the instance is not needed.
Do as follows on the ASBR.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
ip vpn-instance vpn-instance-name
A VPN instance is created and the VPN instance view is displayed.
Step 3 Run:
route-distinguisher route-distinguisher
The RD of the VPN instance is configured.
Step 4 Run:
vpn-target vpn-target &<1-8> import-extcommunity
The VPN target extended community for the VPN instance is created.
For the same VPN in the inter-AS VPN Option B mode, the VPN targets of the ASBR and the
PE in an AS should match with each other.
The VPN targets of the PE in different ASs must match with each other too.
Step 5 (Optional) Run:
apply-label per-instance
Issue 01 (2011-07-15)
The BGP view is displayed.
7. Run:
ipv4-family vpnv4 [ unicast ]
The BGP-VPNv4 address family is displayed.
8. Run:
peer ipv4-address route-policy route-policy-name { export | import }
The routing policy is applied to controlling the VPN IPv4 routing information.
NOTE
It is recomended to perform either Step 5 or Step 6.
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