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ONFIGURING

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CLI – This example configures the IGMP parameters for VLAN 1.

Displaying Multicast Group Information

When IGMP (Layer 3) is enabled on this switch the current multicast
groups learned via IGMP can be displayed in the IP/IGMP/Group
Information page. When IGMP (Layer 3) is disabled and IGMP (Layer 2)
is enabled, you can view the active multicast groups in the IGMP
Snooping/IP Multicast Registration Table (see page 3-142).
Command Attributes
Group AddressIP multicast group address with subscribers directly
attached or downstream from this switch.
Interface – The interface on this switch that has received traffic directed
to the multicast group address.
Last ReporterThe IP address of the source of the last membership
report received for this multicast group address on this interface. If no
membership report has been received, this object has the value 0.0.0.0.
Up time – The time elapsed since this entry was created.
Expire – The time remaining before this entry will be aged out.
(Default: 260 seconds)
Console(config)#interface vlan 1 4-165
Console(config-if)#ip igmp 4-206
Console(config-if)#ip igmp last-memb-query-interval 10 4-209
Console(config-if)#ip igmp max-resp-interval 20 4-208
Console(config-if)#ip igmp query-interval 100 4-208
Console(config-if)#ip igmp robustval 3 4-207
Console(config-if)#ip igmp version 1 4-210
Console(config-if)#end
Console#show ip igmp interface vlan 1 4-211
Vlan 1 is up
IGMP is enable, version is 2
Robustness variable is 2
Query interval is 125 sec
Query Max Response Time is 10 sec, Last Member Query Interval is
1 sec
Querier is 10.1.0.253
Console#