3Com 3031 Command Reference Manual page 698

698 C 7: M
HAPTER ULTICAST
display igmp group
display igmp interface
C C C
OMMON ONFIGURATION OMMANDS
Example
Enable all IGMP debugging functions
<3Com> debugging igmp all
Syntax
display igmp group [ group-address | interface interface-type interface-number |
local ]
View
Any view
Parameter
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.
Description
Using the display igmp group command, you can view the member information of
the IGMP multicast group.
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.
For the related command, see igmp host-join.
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
225.1.1.1
225.1.1.3
225.1.1.2
Table 1 Description of Output Information of Display IP IGRMP Group Command
Item
Group address
Last Reporter
Uptime
Expires
Syntax
display igmp interface [ interface-type interface-number ]
Last Reporter Uptime
20.20.20.20 00:02:04
20.20.20.20 00:02:04
20.20.20.20 00:02:04
Description
Multicast group address
Report the last host which becomes the multicast group member
The time since the multicast group is found (hour, minute, second)
The predicted time when the record will be removed from the IGMP
group table (hour, minute, second)
Expires
00:01:15
00:01:15
00:01:17