Allied Telesis AT-S63 - Manual (Page 278)

Chapter 17: IGMP Snooping Commands
278 Section III: Snooping Protocol
Figure 33. SHOW IP IGMP Command with HOSTLIST Parameter
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 stack.
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 stack where the host node is connected. If
the host node is connected to the stack 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 34.
Figure 34. 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 stack where the multicast router is
connected. If the stack 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.
Number of IGMP Multicast Groups: 4
VLAN Port/ IGMP Exp.
MulticastGroup ID TrunkID HostIP Ver Time
------------------------------------------------------------
01:00:5E:00:01:01 1 6/- 172.16.10.51 v2 21
01:00:5E:7F:FF:FA 1 5/- 149.35.200.75 v2 11
149.35.200.65 v2 65
01:00:5E:00:00:02 1 17/- 149.35.200.69 v2 34
01:00:5E:00:00:09 1 14/- 172.16.10.51 v2 32
VLAN Port/Trunk ID RouterIP
----------------------------------------------------
1
14/- 172.16.01.1