7.12.4 Checking the Consistency of VPN Configurations(Service
Ping)
Checking the consistency of VPN configurations, you can locate faults on the VPN connection.
Context
NOTE
To reduce the bandwidth consumption, the ping vpn-config command only sends one probe packet and
set timeout period for waiting for a Response packet to 10 seconds.
Procedure
l Run:
ping vpn-config peer-address peer-address vsi-name vsi-name [ pw-id pw-id ]
[ local ] [ remote ]
Consistency of configurations on both ends of a VPN is checked, which can help you locate
faults on the VPN connection.
The command output includes information about about the VSI type, VSI description, VSI
management status, VSI operation status, PW status, MTU value, number of AC in the
VSI, IP address of the peer PE, IP address of the local PE, whether probe or Echo Reply
packets are forwarded through the LSP tunnel, PW-ID, PE types, VC encapsulation type,
and outer incoming and outgoing tags.
----End
7.12.5 Debugging VPLS
After a fault occurs in the VPLS network, you can run the relevant debugging command to debug
VPLS, view debugging information, locate the fault, and analyze the cause.
Context
CAUTION
Debugging affects the system performance. So, after debugging, run the undo debugging all
command to disable it immediately.
When a fault occurs, run the debugging commands in the user view to check the debugging
information and locate the fault.
Procedure
l Run the debugging mpls l2vpn { advertisement | all | connections interface [ interface-
type interface-number ] | download | error | event | timer } command in the user view to
enable MPLS L2VPN debugging.
l Run the debugging mpls l2vpn { vpls_fib | vpls_mid } command in the user view to enable
VPLS debugging.
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 7 VPLS Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
726
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