– Label Alert channel
ping vc pw-type pw-id [ -c echo-number | -m time-value | -s data-bytes | -t timeout-
value | -exp exp-value | -r reply-mode | -v ] * label-alert [ remote remote-ip-address |
draft6 ]
*
l Locate a fault on the PW.
– Control word channel
tracert vc pw-type pw-id [ -exp exp-value | -f first-ttl | -m max-ttl | -r reply-mode | -t
timeout-value ] * control-word [ [ [ remote remote-pw-id ] draft6 ] | remote remote-
ip-address ] [ full-lsp-path ]
– Label Alert channel
tracert vc pw-type pw-id [ -exp exp-value | -f first-ttl | -m max-ttl | -r reply-mode | -t
timeout-value ] * label-alert [ remote remote-ip-address ] [ full-lsp-path ] [ draft6 ]
– Normal mode
tracert vc pw-type pw-id [ -exp exp-value | -f first-ttl | -m max-ttl | -r reply-mode | -t
timeout-value ] * normal [ remote remote-ip-address ] [ full-lsp-path ] [ draft6 ]
----End
6.12.2 Locating a Fault of a PW
After PWE3 is configured, you can locate any PW faults.
Context
To locate a PW fault, first configure basic PWE3 functions by using the PW template, and then
do as follows on each UPE:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
pw-template pw-template-name
The PW template view is displayed.
Step 3 Run:
control-word
The control word mode is enabled.
Step 4 Run any of the following commands to collect information about each LSR on the PW and the
egress PE.
l tracert vc pw-type pw-id [ -exp exp-value | -f first-ttl | -m max-ttl | -r reply-mode | -t timeout-
value ] * control-word [ [ [ remote remote-pw-id ] draft6 ] | remote remote-ip-address ]
[ full-lsp-path ]
l tracert vc pw-type pw-id [ -exp exp-value | -f first-ttl | -m max-ttl | -r reply-mode | -t timeout-
value ] * label-alert [ remote remote-ip-address ] [ full-lsp-path ] [ draft6 ]
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 6 PWE3 Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
587
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