Remarks
1. Enter system view.
system-view
N/A
2. Configure the maximum
number of entries in the
multicast forwarding table.
multicast forwarding-table
route-limit limit
Optional.
2000 by default.
3. Configure the maximum
number of downstream nodes
for a single multicast
forwarding entry.
multicast forwarding-table
downstream-limit limit
Optional.
128 by default.
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 Command
Remarks
Trace a multicast path.
mtracert source-address
[ [ last-hop-router-address ]
group-address ]
Available in any view
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:
Task Command
Remarks
Display multicast boundary
information.
display multicast boundary [ group-address [ mask |
mask-length ] ] [ interface interface-type
interface-number ] [ | { begin | exclude | include }
regular-expression ]
Available in any
view.
Display multicast
forwarding table
information.
display multicast 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 ]
Available in any
view.