l Run the debugging bgp update vpnv6 [ peer ipv4-address | ipv6-prefix ipv6-prefix-
name | acl acl-number ] [ receive | send ] [ verbose ] command in the user view to enable
the BGP Update packets debugging of VPN-IPv6 routes.
l Run the debugging bgp update label-route [ peer peer-ipv4-address ] [ acl acl-number
| ipv6-prefix ipv6-prefix-name ] [ receive | send ] [ verbose ] command in the user view
to enable the BGP Update packets debugging of labeled routes.
----End
4.11 Configuration Examples
This section provides several configuration examples of IPv6 VPN. In each configuration
example, the networking requirements, configuration notes, configuration roadmap,
configuration procedures, and configuration files are provided.
4.11.1 Example for Configure Basic BGP/MPLS IPv6 VPN
Networking Requirements
As shown in Figure 4-2, CE1 and CE3 belong to vpna, and CE2 and CE4 belong to vpnb. The
users in different VPNs cannot access each other. Interface VALNIF 1001 or VLANIF 1011 on
each CE is the internal network interface.
In this example, different ways for exchanging routes are adopted according to the AS to which
the directly-connected PEs and CEs belong to.
l PE1 and CE1 exchange routes through BGP4+.
l PE1 and CE2 exchange routes through IPv6 static routes.
l PE2 and CE3 exchange routes through IS-ISv6.
l PE2 and CE4 exchange routes through RIPng.
You can choose the route exchange way according to the actual networking.
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.
369
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