Command Reference Guide

78 ● mtracert 3Com Router 5000 Family and Router 6000 Family
Command Reference
Trace reversely the path information of multicast group 225.1.1.1 from the multicast
source 10.10.1.3 to the destination address 12.110.0.2.
<3Com>mtracert 10.10.1.3 12.110.0.2 225.1.1.1
Type Ctrl+C to abort
Mtrace from 10.10.1.3 to 12.110.0.2 via group 225.1.1.1
Querying full reverse path...
-1 12.110.0.2
Incoming Interface Address: 11.110.0.2
Previous-Hop Router Address: 11.110.0.4
Input packet count on incoming interface: 316
Output packet count on outgoing interface: 135
Total number of packets for this source-group pair: 4
Protocol: PIM
Forwarding TTL: 0
Forwarding Code: No error
-2 11.110.0.4
Incoming Interface Address: 127.0.0.5
Previous-Hop Router Address: 0.0.0.0
Input packet count on incoming interface: 0
Output packet count on outgoing interface: 0
Total number of packets for this source-group pair: 4
Protocol: Unknown
Forwarding TTL: 0
Forwarding Code: No error
View This command can be used in the following views:
■ Any view
Description This command can help to locate the faults, such as information loss and
configuration error.
The trace mode to the group address of 0.0.0.0 is called weak trace mode.