1-5
Parameters
group-address
: Multicast group address, in the range of 224.0.0.0 to 239.255.255.255. With this
argument provided, the command displays the forwarding entries for the specified multicast group.
source-address
: Multicast source address. With this argument provided, the command displays the
forwarding entries for the specified multicast source.
mask
: Mask of the specified multicast group address or multicast source address, 255.255.255.255 by
default.
mask-length
: Mask length of the specified multicast group address or multicast source address. For a
multicast group address, this argument is in the range of 4 to 32; for a multicast source address, this
argument is in the range of 0 to 32. The system default is 32 in both cases.
incoming-interface
: Displays the multicast forwarding entries that contain the specified incoming
interface.
interface-type interface-number
: Specifies an interface by its type and number..
register
: Displays the forwarding entries in which the incoming interface is the PIM-SM register
interface.
Description
Use the
display multicast forwarding-table
command to display the information of multicast
forwarding tables.
As the multicast forwarding table directly guides the forwarding of multicast traffic, you can view the
information of the forwarding entries to determine whether a multicast stream is correctly forwarded.
Related commands:
display multicast routing-table
,
display mpm forwarding-table
,
reset
multicast forwarding-table
.
Examples
# Display the information about the multicast forwarding table.
<Sysname> display multicast forwarding-table
Multicast Forwarding Cache Table
Total 1 entry: 0 entry created by IP, 1 entry created by protocol
00001. (10.0.0.4, 225.1.1.1), iif Vlan-interface2, 0 oifs,
Protocol Create
Matched 122 pkts(183000 bytes), Wrong If 0 pkts
Forwarded 122 pkts(183000 bytes)
Total 1 entry Listed
The following table describes the fields in the displayed information above:
Table 1-4
display multicast forwarding-table command output description
Field
Description
Multicast Forwarding Cache Table
Multicast forwarding table
Total 1 entries
Total number of matched forwarding entries
00001
Serial number of the entry