UMN:CLI User Manual
SURPASS hiD 6615 S223/S323 R1.5
286 A50010-Y3-C150-2-7619
querier for the interface after the previous querier has stopped querying.
Command Mode
Description
ip igmp querier-timeout
<60-300>
Configures the IGMP queier timeout.
60-300: number of seconds that router waits after the
previous querier has stopped querying before it takes
over as the querier
no ip igmp querier-timeout
Interface
Returns to the default value. (255)
IGMP Maximum Response Time
To configure the maximum response time advertised in IGMP queries, use the following
command. If the router is running IGMP v2, you can change this value.
Command Mode
Description
ip igmp query-max-response-
time
<1-240>
Configures the IGMP queier timeout.
1-240: Maximum response time (in seconds) adver-
tised in IGMP queries.
no ip igmp query-max-response-
time
Interface
Returns to the default value. (10)
IGMP v2 Group-specific or IGMP v3 Group-source-specific Query Message
The Last Member Query Count is the number of Group-Specific Queries sent before the
router assumes there are no local members. The Last Member Query Count is also the
number of Group-and-Source-Specific Queries sent before the router assumes there are
no listeners for a particular source.
To configure the last member query count, use the following command.
Command Mode
Description
ip igmp last-member-query-
count
<2-7>
Configures the IGMP last member query count.
2-7: last member query count value
no ip igmp last-member-query-
count
Interface
Returns to the default value. (2)
When a router receives an IGMP Version 2 leave group message on an interface, it waits
twice the query interval specified by the
ip igmp last-member-query-interval
command;
after which, if no receiver has responded, the router drops the group membership on that
interface.
To configure the last member query interval, use the following command
Command Mode
Description
ip igmp last-member-query-
interval
<1000-25500>
Configures the IGMP last member query interval.
1000-25500: frequency at which IGMP group-specific
host query messages are sent. (unit: millisecond)
no ip igmp last-member-query-
interval
Interface
Returns to the default value. (1000 milliseconds)