Chapter 21
| Multicast Filtering Commands
IGMP Snooping
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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 statically configured and dynamically
learned 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.
Example
The following shows the ports in VLAN 1 which are attached to multicast
routers.
Console#show ip igmp snooping mrouter vlan 1
VLAN M'cast Router Port Type Expire
---- ------------------ ------- --------
