3com 8807 Reference Guide

C

HAPTER

 33: M

ULTICAST

 C

OMMON

 C

ONFIGURATION

 C

OMMANDS

display multicast forwarding-table [ group-address [ mask { mask | 
mask-length } ] | source-address [ mask { mask | mask-length } ] | 
incoming-interface{ interface-type interface-number | null NULL-interface- 
number | register} ] *

Any view

group-address: Multicast group address, used to specify a multicast group, 
ranging from 224.0.0.0 to 239.255.255.255.

source-address: Unicast IP address of the multicast source.

incoming-interface: Incoming interface of the multicast forwarding table entry.

interface-type interface-number: Interface type and interface number.

null: Incoming-interface is null.

NULL-interface-number: The only number is 0.

register: Register interface of PIM-SM.

Use the display multicast forwarding-table command to view the information 
of multicast forwarding table.

c 

Related command: display multicast routing-table.

Table 81   Description on the fields of the display mpm group command

Vlan(id):2. 

The output information is about VLAN 2. 

Router port(s):Ethernet2/1/1 

The router port concerned is Ethernet2/1/1. 

IP group(s):the following ip group(s) 
match to one mac group. 

Lists the IP multicast groups matching the same MAC 
multicast group. 

IP group address:230.45.45.1 

The IP address of the IP multicast group is 
230.45.45.1. 

Member port(s):Ethernet2/1/2 

Ethernet2/1/2 port is a member port of the IP 
multicast group. 

MAC group 
address:01-00-5e-2d-2d-01 

The MAC address of the MAC multicast group is 
01-00-5e-2d-2d-01. 

Member port(s):Ethernet2/1/2 

Ethernet2/1/2 port is a member port of the MAC 
multicast group.