Internet Group Management Protocol (IGMP) | 549
ip igmp last-member-query-interval
c e s
Change the last member query interval, which is the Max Response Time inserted into Group-Specific
Queries sent in response to Leave Group messages. This interval is also the interval between
Group-Specific Query messages.
Syntax
ip igmp last-member-query-interval milliseconds
To return to the default value, enter no ip igmp last-member-query-interval.
Parameters
Defaults
1000 milliseconds
Command Modes
INTERFACE
Command
History
ip igmp querier-timeout
c e s
Change the interval that must pass before a multicast router decides that there is no longer another
multicast router that should be the querier.
Syntax
ip igmp querier-timeout seconds
To return to the default value, enter no ip igmp querier-timeout.
Parameters
Defaults
125 seconds
Command Modes
INTERFACE
Command
History
milliseconds
Enter the number of milliseconds as the interval.
Default: 1000 milliseconds
Range: 100 to 65535
Version 7.8.1.0 Introduced on S-Series
Version 7.7.1.0 Introduced on C-Series
E-Series legacy command
seconds
Enter the number of seconds the router must wait to become the new querier.
Default: 125 seconds
Range: 60 to 300
Version 7.8.1.0 Introduced on S-Series
Version 7.7.1.0 Introduced on C-Series
Version 7.6.1.0 Introduced on S-Series in Interface VLAN mode only to enable that system to act as an
IGMP Proxy Querier.
Version 7.5.1.0 Introduced on C-Series in Interface VLAN mode only to enable that system to act as an
IGMP Proxy Querier.
E-Series legacy command
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