Configuring Attributes For The Ipv6 Vpn Instance - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN
No default IPv6 VPN instance exists on a PE, and multiple IPv6 VPN instances can be created
on the PE.
Step 3 Run:
route-distinguisher route-distinguisher
The RD for the IPv6 VPN instance is configured.
An IPv6 VPN instance takes effect only after the RD is configured. Before configuring the RD,
you may configure only the description for the IPv6 VPN instance.
Step 4 (Optional) Run:
description description-information
The description for the IPv6 VPN Instance is configured.
The description about an IPv6 VPN Instance functions the same as the description about a host
name or an interface. It is recommended that the proper description be configured.
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4.3.3 Configuring Attributes for the IPv6 VPN Instance

To facilitate management of routes of the IPv6 VPN Instance , you also need to configure other
VPN attributes, such as the RD, VPN target, route limit, and routing policy.
Context
Do as follows on the PE device that is configured with IPv6 VPN Instance .
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
ipv6 vpn6-instance vpn6-instance-name
The IPv6 VPN instance view is displayed.
Step 3 Run:
vpn-target vpn-target &<1-8> [ both | export-extcommunity | import-extcommunity ]
An IPv6 VPN-Target extended community is created for the IPv6 VPN Instance .
VPN target is the extended community attribute of the Border Gateway Protocol (BGP). It is
used to control the advertisement of VPN routing information. You can configure a maximum
of 8 IPv6 VPN-Targets with the vpn-target command.
Issue 01 (2011-07-15)
NOTE
The RD cannot be changed or deleted once it is configured. To change the RD, you need to delete the IPv6
VPN instance and then re-configure a IPv6 VPN instance and an RD. To delete the RD, you need only to
delete the IPv6 VPN instance.
NOTE
It is recommended to perform either Step 4 or Step 5.
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