Allied Telesis AT-S63 - Manual (Page 377)

AT-S63 Management Software Command Line Interface User’s Guide
Section III: IGMP Snooping, MLD Snooping, and RRP Snooping 377
The HOSTLIST parameter displays the following information:
ˆ Number of IGMP Multicast Groups - The number of IGMP multicast
groups with active host nodes on the switch.
ˆ Multicast Group - The multicast address of the group.
ˆ VLAN - The VID of the VLAN where the port or trunk is an untagged
member.
ˆ Port/Trunk - The port on the switch where the host node is connected.
If the host node is connected to the switch through a trunk, the trunk ID
number instead of the port number is displayed.
ˆ HostIP - The IP address of the host node connected to the port.
ˆ IGMP Ver. - The version of IGMP being used by the host.
ˆ Exp. Time - The number of seconds remaining before the host is timed
out if no further IGMP reports are received from it.
An example of the information displayed by the ROUTERLIST parameter
is shown in Figure 41.
Figure 41. SHOW IP IGMP Command with ROUTERLIST Parameter
The ROUTERLIST parameter displays the following information:
ˆ VLAN - The VID of the VLAN in which the port is an untagged member.
ˆ Port/Trunk ID - The port on the switch where the multicast router is
connected. If the switch learned the router on a port trunk, the trunk ID
number instead of the port number is displayed.
ˆ Router IP - The IP address of the multicast router.
Examples
The following command displays the current IGMP parameter settings:
show ip igmp
The following command displays a list of active host nodes connected to
the switch:
show ip igmp hostlist
The following command displays a list of active multicast routers:
show ip igmp routerlist
VLAN ............ 1
Port/Trunk ID ... 14
RouterIP ........ 172.16.01.1