Configuring Inter-As Ipv6 Vpn-Option A; Establishing The Configuration Task - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN
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Example
Run the display tunnel-policy tunnel-policy-name command. If the configuration of the tunnel
policy is displayed, it means the configuration succeeds. For example:
<Quidway> display tunnel-policy policy1
Tunnel Policy Name
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policy1
Run the display ipv6 vpn6-instance verbose command. If the tunnel policy name of the IPv6
VPN instance is displayed, it means the configuration succeeds. In the following example, you
can view the tunnel policy of the VPN named vpna is policy1.
<Quidway> display ipv6 vpn6-instance verbose
VPN6-Instance Name and ID : vpna, 1
Create date : 2007/10/05 21:57:49 UTC-08:00
Up time : 0 days, 15 hours, 30 minutes and 32 seconds
Route Distinguisher : 2:2
Export VPN Targets :
Import VPN Targets :
Label Policy : label per route
Tunnel Policy : policy1
Description : ipv6
Maximum Routes Limit : 2000
Log Interval : 5
Interfaces : Vlanif10

4.7 Configuring Inter-AS IPv6 VPN-Option A

In inter-AS IPv6 VPN OptionA, an ASBR takes the peer ASBR as its CE and advertises VPNv6
routes to the peer ASBR through EBGP+.

4.7.1 Establishing the Configuration Task

Before configuring inter-AS IPv6 VPN OptionA, familiarize yourself with the applicable
environment, complete the pre-configuration tasks, and obtain the required data. This can help
you complete the configuration task quickly and accurately.
Applicable Environment
If the MPLS backbone network bearing the VPN-IPv6 routes cross multiple ASs, you must
configure the inter-AS VPNs.
If the number of VPNs that access PEs and the number of IPv6 VPN routes are small, inter-AS
VPN Option-A is recommended.
In VPN-Option A, the Autonomous System Boundary Routers (ASBRs) must support the IPv6
VPN instance and can manage IPv6 routes. In addition, the ASBRs must reserve special
interfaces including sub-interfaces and physical interfaces for each inter-AS IPv6 VPN. Option
A, therefore, requires high performance of the ASBRs. No inter-AS configuration is needed on
the ASBRs.
Issue 01 (2011-07-15)
Run the display ipv6 vpn6-instance verbose [ vpn6-instance-name ] command to check
name of the tunnel policy of the IPv6 VPN instance .
Select-Seq
LSP
Total VPN6-Instances configured : 1
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