15-7
Multimedia Traffic Control with IP Multicast (IGMP)
CLI: Configuring and Displaying IGMP
Multimedia Traffic Control
with IP Multicast (IGMP)
Viewing the Current IGMP Configuration. This command lists the IGMP
configuration for all VLANs configured on the switch or for a specific VLA N.
Syntax: show ip igmp config IGMP configuration for all
VLANs on the switch
show ip igmp vlan <vid> config IGMP configuration for a
specific VLAN on the switch,
including per-port data
(For IGMP operating status, see Internet Group Management Protocol
(IGMP) Status on page 17-19.)
For example, suppose you have the following VLAN and IGMP configurations
on the switch:
You could use the CLI to display this data as follows:
Figure 15-1. Example Listing of IGMP Configuration for All VLANs in the Switch
The following version of the show ip igmp command includes the VLAN ID (vid)
designation, and combines the above data with the IGMP per-port configura-
tion:
VLAN ID VLAN Name IGMP
Enabled
Forward with
High Priority
Querier
1 DEFAULT_VLAN Yes No No
22 VLAN -2 Ye s Yes Yes
33 VLAN-3 No No No