Tracing A Multicast Path; Displaying And Maintaining Multicast Routing And Forwarding - H3C S5500-EI Configuration Manual

Step
3. Configure the maximum
number of downstream nodes
for a single multicast
forwarding entry.
Configuring the multicast forwarding table size in a VPN instance
Step
1. Enter system view.
2. Enter VPN instance view.
3. Configure the maximum
number of entries in the
multicast forwarding table.
4. Configure the maximum
number of downstream nodes
for a single route in the
multicast forwarding table.

Tracing a multicast path

You can run the mtracert command to trace the path down which the multicast traffic flows from a given
first-hop router to the last-hop router.
To trace a multicast path:
Task
Trace a multicast path.
Displaying and maintaining multicast routing and
forwarding
CAUTION:
The reset commands might cause multicast data transmission failures.
To display and maintain multicast routing and forwarding:
Command
multicast forwarding-table
downstream-limit limit
Command
system-view
ip vpn-instance vpn-instance-name
multicast forwarding-table
route-limit limit
multicast forwarding-table
downstream-limit limit
Command
mtracert source-address
[ [ last-hop-router-address ]
group-address ]
89
Remarks
Optional.
128 by default.
Remarks
N/A
N/A
Optional.
2000 by default.
Optional.
128 by default.
Remarks
Available in any view