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NXA-ENET24 - Software Management Guide
IGMP Query Commands (Layer 2 - Cont.)
Command Function
ip igmp snooping query-count
This command configures the query
count.
Use the no form to restore the
default.
Syntax:
ip igmp snooping query-count count
no ip igmp snooping query-count
• count - The maximum number of queries issued for which there has
been no response before the switch takes action to drop a client from
the multicast group. (Range: 2-10)
Default Setting: 2 times
Command Mode: Global Configuration
Command Usage: The query count defines how long the querier waits
for a response from a multicast client before taking action. If a querier
has sent a number of queries defined by this command, but a client has
not responded, a countdown timer is started using the time defined by ip
igmp snooping query-max- response-time. 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 query count to 10:
Console(config)#ip igmp snooping query-count 10
Console(config)#
ip igmp snooping query-interval
This command configures the query
interval.
Use the no form to restore the
default.
Syntax:
ip igmp snooping query-interval seconds
no ip igmp snooping query-interval
• seconds - The frequency at which the switch sends IGMP host-query
messages. (Range: 60-125)
Default Setting: 125 seconds
Command Mode: Global Configuration
Example: The following shows how to configure the query interval to
100 seconds:
Console(config)#ip igmp snooping query-interval 100
Console(config)#
ip igmp snooping query-max-
response-time
This command configures the query
report delay.
Use the no form to restore the
default.
Syntax:
ip igmp snooping query-max-response-time seconds
no ip igmp snooping query-max-response-time
• seconds - The report delay advertised in IGMP queries. (Range: 5-25)
Default Setting: 10 seconds
Command Mode: Global Configuration
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:
Console(config)#ip igmp snooping query-max-response-time 20
Console(config)#