NOTE
The 32-bit mask IP addresses of the loopback interfaces must be used to establish the MP-IBGP peer
relationship between PEs. This can ensure the tunnel can be iterated. The route destined to the loopback
interface is advertised to the remote PE based on IGP on the MPLS backbone network.
Step 5 Run
ipv6-family vpnv6
The BGP IPv6 VPN address family view is displayed.
Step 6 Run
peer ipv4-address enable
The VPN-IPv6 routing information is exchanged between the peers.
----End
4.5.6 Configuring Route Exchange Between PE and CE
The routing protocol between a PE and a CE can be BGP4+, static route, RIPng, or IS-ISv6.
Context
The Hub-PE and the Hub-CE can exchange routes in the following ways.
Procedure
l Configuring EBGP between the Hub-PE and the Hub-CE
In this way, BGP4+, RIPng multi-instance, IS-ISv6 multi-instance or static routes can be
adopted between the Spoke-PE and the Spoke-CE.
To set up the EBGP peer between the Hub-PE and the Hub-CE, do as follows on the Hub-
PE:
1. Run:
system-view
The system view is displayed.
2. Run:
bgp as-number
The BGP view is displayed.
3. Run:
ipv6-family vpn6-instance vpn6-instance-name
The BGP-VPNv6 instance view is displayed.
4. Run:
peer ipv6-address allow-as-loop [ number ]
Allow the routing loop. Here the value of number is set as 1, which means the route
with the AS repeated once can be sent.
l Configuring IGP between the Hub-PE and the Hub-CE
In this way, instead of BGP4+, RIPng multi-instance, IS-ISv6 multi-instance or static routes
are adopted between the Spoke-PE and the Spoke-CE.
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 4 BGP MPLS IPv6 VPN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
346
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