ttl number
The TTL value, that is, the maximum hops traced in max-hop mode is set for the IGMP Tracert-
Request packet.
Step 4 Run:
tracert-livetime first-ttl first-ttl max-ttl max-ttl
The maximum hops traced in hop-by-hop mode is set. first-ttl must be set to 1.
Step 5 Run:
mtrace-response-address ipv4 ip-address [ ttl value ]
The destination IP address and TTL of the IGMP Tracert-Response packet are set.
Step 6 Run:
timeout time
The timeout period for waiting for the IGMP Tracert-Response packet is set.
Step 7 Run:
probe-count number
The maximum number of times for the querier to initiate MTrace operations in the timeout
situations is set. The querier re-initiates an MTrace operation if receiving no IGMP Tracert-
Response packet within the timeout period.
Step 8 Run:
quit
Exit from the test instance view.
----End
6.21.5 Starting the NQA MTrace Test
This part describes how to start the MTrace test instance to perform the MTrace test for the RPF
path from the multicast source to the querier.
Context
Do as follows on the switch that functions as the NQA client:
NOTE
The start mode of the MTrace test is the same as that of other NQA tests. Here, take one mode as an example.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
nqa test-instance admin-name test-name
The test instance view is displayed.
Step 3 Run:
Quidway S9300 Terabit Routing Switch
Configuration Guide - Network Management 6 NQA Configuration
Issue 03 (2010-09-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6-75
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