Configuration Guide
300
Configuring Layer 2 Multicast
IGMP Snooping Configurations
Step 2
ip igmp snooping querier vlan
vlan-id
vlan-id
specifies the VLAN to enable IGMP Querier.
Step 3
show ip igmp snooping querier
[
vlan
vlan-id
]
Show the IGMP querier configuration.
Step 4
end
Return to privileged EXEC mode.
Step 5
copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to enable IGMP Snooping and IGMP Querier in VLAN 4:
Switch#configure
Switch(config)#ip igmp snooping
Switch(config)#ip igmp snooping querier vlan
4
Switch(config)#show ip igmp snooping querier
VLAN 4:
--------------
Maximum Response Time: 10
Query Interval: 60
General Query Source IP: 192.168.0.1
Switch(config)#end
Switch#copy running-config startup-config
Configuring Query Interval, Max Response Time and General Query Source IP
Step 1
configure
Enter global configuration mode.
Step 2
ip igmp snooping querier vlan
vlan-id
{query-interval
interval
| max-response-time
response-time
| general-query source-ip
ip-addr
}
vlan-id
specifies the VLAN where the querier is.
interval
is the interval between general query messages sent by the querier.
response-time
is the host’s maximum response time to general query messages in a range of 1
to 25 seconds.
ip-addr
is the source IP address of the general query messages sent by the querier. It cannot
be a multicast address or a broadcast address.
