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M
ULTICAST
F
ILTERING
C
OMMANDS
4-275
Command Usage
• The switch must be using IGMPv2 for this command to take effect.
• This command defines the time after a query, during which a response
is expected from a multicast client. If a querier has sent a number of
queries defined by the ip igmp snooping query-count, but a client
has not responded, a countdown timer is started using an initial value
set by this command. If the countdown finishes, and the client still has
not responded, then that client is considered to have left the multicast
group.
Example
The following shows how to configure the maximum response time to
20
seconds:
Related Commands
ip igmp snooping version (4-269)
ip igmp snooping query-max-response-time (4-274)
ip igmp snooping router-port-expire-time
This command configures the query timeout. Use the no form to restore
the default.
Syntax
ip igmp snooping router-port-expire-time seconds
no ip igmp snooping router-port-expire-time
seconds - The time the switch waits after the previous querier stops
before it considers the router port (i.e., the interface which had
been receiving query packets) to have expired.
(Range: 300-500)
Default Setting
300 seconds
Command Mode
Global Configuration
Console(config)#ip igmp snooping query-max-response-time 20
Console(config)#