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
Displays IGMP configuration for all VLANs on the switch.
show ip igmp vlan < vid > config
Displays IGMP configuration for a specific VLAN on the switch,
including per-port data.
(For IGMP operating status, refer to the section titled “Internet Group Man-
agement Protocol (IGMP) Status” in appendix B, “Monitoring and Analyzing
Switch Operation” of the Management and Configuration Guide for you
switch.)
For example, suppose you have the following VLAN and IGMP configurations
on the switch:
VLAN ID VLAN Name IGMP
Enabled
Forward with
High Priority
Querier
1 DEFAULT_VLAN Yes No No
22 VLAN-2 Yes Yes Yes
33 VLAN-3 No No No
You could use the CLI to display this data as follows:
Figure 4-1. Example Listing of IGMP Configuration for All VLANs in the Switch
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