Tracing A Multicast Path - HP A8800 Configuration Manual

Step
1. Enter system view.
2. Enable delivering packets that
have failed an RPF check to
the CPU.

Tracing a multicast path

You can run the mtracert command to trace the path down which the multicast traffic flows from the
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 transmission failures.
To display and maintain multicast routing and forwarding:
Task
Display the multicast
boundary
information.
Display the multicast
forwarding table
information.
Command
system-view
multicast rpf-fail-pkt trap-to-cpu
Command
mtracert source-address
[ [ last-hop-router-address ]
group-address ]
Command
display multicast [ all-instance | vpn-instance
vpn-instance-name ] boundary [ group-address
[ mask | mask-length ] ] [ interface interface-type
interface-number ] [ | { begin | exclude | include }
regular-expression ]
display multicast [ all-instance | vpn-instance
vpn-instance-name ] forwarding-table
[ source-address [ mask { mask | mask-length } ] |
group-address [ mask { mask | mask-length } ] |
incoming-interface { interface-type interface-number
| register } | outgoing-interface { exclude | include |
match } { interface-type interface-number | register }
| statistics | slot slot-number ] * [ port-info ] [ |
{ begin | exclude | include } regular-expression ]
72
Remarks
N/A
Disabled by default.
Remarks
Available in any view.
Remarks
Available in any view.
Available in any view.