Command Reference Guide

3Com Router 5000 Family and Router 6000 Family display igmp group ● 35
Command Reference
display igmp group
Purpose Use the display igmp group command to view the member information of the
IGMP multicast group.
Syntax display igmp group [ group-address | interface interface-type
interface-number | local ]
Parameters group-address
Multicast group address.
interface-type
interface-number
Interface type and interface number of the router, used
to specify the interface.
local
Information of the local interface which receives and
sends multicast data.
Example Display the member information of the directly connected sub-network.
<3Com> display igmp group
LoopBack0 (20.20.20.20): Total 3 IGMP Groups reported:
Group Address Last Reporter Uptime Expires
225.1.1.1 20.20.20.20 00:02:04 00:01:15
225.1.1.3 20.20.20.20 00:02:04 00:01:15
225.1.1.2 20.20.20.20 00:02:04 00:01:17
View This command can be used in the following views:
■ Any view
Description You can specify to view the information of a group or the member information of the
multicast group on an interface. The information displayed includes the multicast
groups joined through IGMP and those joined statically through command lines by
the downstream host.
Related Command igmp host-join
Table 1 Description on the fields of display ip igrmp group command
Item Description
Group address Multicast group address
Last Reporter Report the last host which becomes the multicast group member
Uptime The time since the multicast group is found (hour, minute, second)
Expires The predicted time when the record will be removed from the IGMP
group table (hour, minute, second)