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4-229
4
IGMP Commands (Layer 3)
ip igmp
This command enables IGMP on a VLAN interface. Use the no form of this
command to disable IGMP on the specified interface.
Syntax
[no] ip igmp
Default Setting
Disabled
Command Mode
Interface Configuration (VLAN)
Command Usage
IGMP query can be enabled globally at Layer 2 via the ip igmp snooping
command, or enabled for specific VLAN interfaces at Layer 3 via the ip igmp
command. (Layer 2 query is disabled if Layer 3 query is enabled.)
Example
Table 4-73 IGMP Commands (Layer 3)
Command Function Mode Page
ip igmp Enables IGMP for the specified interface IC 4-229
ip igmp robustval Configures the expected packet loss IC 4-230
ip igmp query-interval Configures frequency for sending host query messages IC 4-230
ip igmp max-resp-interval Configures the maximum host response time IC 4-231
ip igmp
last-memb-query-interval
Configures frequency for sending group-specific host query
messages
IC 4-232
ip igmp version Configures IGMP version used on this interface IC 4-232
show ip igmp interface Displays the IGMP configuration for specified interfaces NE, PE 4-233
clear ip igmp group Deletes entries from the IGMP cache PE 4-234
show ip igmp groups Displays detailed information for IGMP groups NE, PE 4-234
Console(config)#interface vlan 1
Console(config-if)#ip igmp
Console(config-if)#end
Console#show ip igmp interface
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#