Multimedia Traffic Control with IP Multicast (IGMP)
CLI: Configuring and Displaying IGMP
Viewing the Current IGMP Configuration. This command lists the IGMP configuration for all VLANs configured on the switch or for a specific VLAN.
Syntax: show ip igmp config
IGMP configuration for all VLANs on the switch.
Syntax: show ip igmp < vid > config
IGMP configuration for a specific VLAN on the switch, including
Syntax: show ip igmp group <
Lists the ports on which the specified multicast group IP address is registered.
(For IGMP operating status, see the appendix on monitoring and analyzing switch operation in the Management and Configuration Guide.)
For example, suppose you have the following VLAN and IGMP configurations on the switch:
VLAN ID | VLAN Name | IGMP | Forward with | Querier |
|
| Enabled | High Priority |
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|
|
|
|
|
1 | DEFAULT_VLAN | Yes | No | No |
22 | Yes | Yes | Yes | |
33 | No | No | No | |
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|
|
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You could use the CLI to display this data as follows:
FigureThe following version of the show ip igmp command includes the VLAN ID (vid) designation, and combines the above data with the IGMP