Observing Syntax and Conventions
7-86 Configuring IP Multicast
ip igmp last-member-query-interval
ThiscommandsetsthefrequencyatwhichIGMPgroup‐specifichostquerymessagesaresent.
Syntax
ip igmp last-member-query-interval interval
Syntax of the “no” Form
Thenoformofthiscommandsetsthisfrequencytothedefault:
no ip igmp last-member-query-interval
Mode
Interfaceconfiguration:XSR(config-if<xx>)#
Default
1000milliseconds
Example
ThisexamplechangestheIGMPgroup‐specifichostquerymessageintervalto2seconds:
XSR(config-if<F1>)#ip igmp last-member-query-interval 2000
ip igmp query-interval
ThiscommandconfiguresthefrequencyatwhichtheXSRsendsIGMPhostquerymessages.
Syntax
ip igmp query-interval seconds
Syntax of the “no” Form
Thenoformofthiscommandsetsthisfrequencytothedefaultvalue:
no ip igmp query-interval
Mode
Interfaceconfiguration:XSR(config-if<xx>)#
Default
125seconds
interval
FrequencytosendIGMPgroup‐specifichostquerymessages,ranging
from100to65535mi lliseconds.
seconds
FrequencytosendIGMPhostquerymessages,rangingfrom1to32767seconds.