Cabletron Systems SmartSwitch Router User's Reference Manual

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Cabletron Systems SmartSwitch Router User's Reference Manual Manual pdf 145 page image

SmartSwitch Router User Reference Manual 145Chapter 8: Multicast Routing Configuration GuideConfigure IGMPYou configure IGMP on the SSR by performing the following configuration tasks.• Creating IP interfaces• Setting global parameters that will be used for all the interfaces on which DVMRP isenabled• Configuring IGMP on individual interfaces. You do so by enabling and disablingIGMP on interfaces and then setting IGMP parameters on the interfaces on whichIGMP is enabled• Start the multicast routing protocol (i.e., DVMRP)Configuring IGMP on an IP InterfaceBy default IGMP is disabled on the SSR.To enable IGMP on an interface, enter the following command in Configure mode:Configure IGMP Query IntervalYou can configure the SSR with a different IGMP Host Membership Query time interval.The interval you set applies to all ports on the SSR. The default query time interval is 125seconds.To configure the IGMP host membership query time interval, enter the followingcommand in Configure mode:Configure IGMP Response Wait TimeYou can configure the SSR with a wait time for IGMP Host Membership responses whichis different from the default. The wait time you set then applies to all ports on the SSR. Thedefault response time is 10 seconds.Enable IGMP on an interface. igmp enable interface Configure the IGMP hostmembership query time interval.igmp set queryinterval