C
HAPTER
39
| Multicast Filtering Commands
IGMP Snooping
– 1223 –
igmpsnp - Display only entries learned through IGMP snooping.
sort-by-port - Display entries sorted by port.
user - Display only the user-configured multicast entries.
vlan-id - VLAN ID (1-4094)
DEFAULT SETTING
None
COMMAND MODE
Privileged Exec
COMMAND USAGE
Member types displayed include IGMP or USER, depending on selected
options.
EXAMPLE
The following shows the multicast entries learned through IGMP snooping
for VLAN 1.
Console#show ip igmp snooping group vlan 1
Bridge Multicast Forwarding Entry Count:1
Flag: R - Router port, M - Group member port
H - Host counts (number of hosts join the group on this port).
P - Port counts (number of ports join the group).
Up time: Group elapsed time (d:h:m:s).
Expire : Group remaining time (m:s).
VLAN Group Port Up time Expire Count
---- --------------- ----------- ----------- ------ --------
1 224.1.1.1 00:00:00:37 2(P)
Eth 1/ 1(R)
Eth 1/ 2(M) 0(H)
Console#
show ip igmp
snooping mrouter
This command displays information on dynamically learned and statically
configured multicast router ports.
SYNTAX
show ip igmp snooping mrouter [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4094)
DEFAULT SETTING
Displays multicast router ports for all configured VLANs.
COMMAND MODE
Privileged Exec
COMMAND USAGE
Multicast router port types displayed include Static or Dynamic.
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