Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 Multicast Common Configuration
Commands
3Com Corporation
1-8
# 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
1.1.9 multicast minimum-ttl
Syntax
multicast minimum-ttl ttl-value
undo multicast minimum-ttl
View
Interface view
Parameter
ttl-value: The minimum TTL value, ranging from 0 to 255.
Description
Use the multicast minimum-ttl command to configure the minimum TTL value for
multicast forwarding.
Use the undo multicast minimum-ttl command to remove the minimum TTL value
configured.