C
L
OMMAND
INE
Default Setting
125 seconds
Command Mode
Interface Configuration (VLAN)
Command Usage
• Multicast routers send host query messages to determine the interfaces
that are connected to downstream hosts requesting a specific multicast
service. Only the designated multicast router for a subnet sends host
query messages, which are addressed to the multicast address 224.0.0.1.
• For IGMP Version 1, the designated router is elected according to the
multicast routing protocol that runs on the LAN. But for IGMP
Version 2, the designated querier is the lowest IP-addressed multicast
router on the subnet.
Example
The following shows how to configure the query interval to 100 seconds:
Console(config-if)#ip igmp query-interval 100
Console(config-if)#
ip igmp max-resp-interval
Use this command to configure the maximum response time advertised in
IGMP queries. Use the no form of this command to restore the default.
Syntax
ip igmp max-resp-interval seconds
no ip igmp max-resp-interval
seconds - The report delay advertised in IGMP queries.
(Range: 1-255)
Default Setting
10 seconds
4-208
I
NTERFACE
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