l Run the display ip vpn-instance verbose [ vpn-instance-name ] command to display the
tunnel policy applied to VPN instances.
l Run the display ip routing-table vpn-instance [ destination-address ] verbose command
to display the tunnels used by the routes of VPN instances.
l Run the display mpls l2vpn connection interface interface-type interface-number
command to view the tunnel used by the Kompella L2VPN VC.
l Run the display mpls l2vc [ interface interface-type interface-number ] command to
display the tunnel used by the Martini L2VPN VC.
----End
1.8.2 Debugging the VPN Tunnel
Context
CAUTION
Debugging affects the performance of the system. So, after debugging, run the undo debugging
all command to disable it immediately.
When a VPN tunnel fault occurs, run the following debugging commands in the user view to
locate the fault.
For details about enabling debugging, refer to Information Center Configuration in the
Quidway S9300 Terabit Routing Switch Configuration Guide - Device Management. For the
description of the debugging commands, refer to the Quidway S9300 Terabit Routing Switch
Debugging Reference.
Procedure
l Run the debugging tunnel all [ interface interface-number ] command in the user view
to enable the debugging of tunnels.
l Run the debugging tnlm { all | error | event } command in the user view to enable the
debugging of tunnel management.
----End
1.9 Configuration Examples
This section provides examples for using tunnel policies.
1.9.1 Example for Configuring Tunnel Policies for the L3VPN
1.9.2 Example for Binding a Tunnel to the Martini L2VPN
1.9.1 Example for Configuring Tunnel Policies for the L3VPN
Networking Requirements
Figure 1-2 shows the networking diagram of the MPLS L3VPN. CE1 and CE3 belong to VPNA,
and CE2 and CE4 belongs to VPNB. Two MPLS TE tunnels and an LSP are set up between PE1
Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN 1 VPN Tunnel Management
Issue 03 (2009-08-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1-25
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