MulticastH3C Low-End Ethernet Switches Configuration Examples Chapter 1 Multicast Protocol Overview1-121.3.3 Configuring PIMI. Configuring PIM-DMFollow these steps to configure PIM-DM:To do... Use the command... RemarksEnter system view system-view —Enable multicast routing multicastrouting-enableRequiredDisabled by defaultEnter PIM view pim —Configure a multicastsource or multicastsource-group filtersource-policyacl-numberOptionalYou can define the relatedIP addresses in an ACL.Enter VLAN interfaceviewinterface Vlan-interfaceinterface-number —Enable PIM-DM pim dm RequiredConfigure the hellointerval on the interface pim timer hello secondsOptionalThe system default is 30seconds.Configure a limit on thenumber of PIM neighborson the interfacepim neighbor-limit limit OptionalThe default value is 128.Configure the filteringpolicy for PIM neighborspim neighbor-policyacl-numberOptionalYou can define the relatedIP addresses in an ACL.Disabled by defaultII. Configuring PIM-SMFollow these steps to configure PIM-SM:To do... Use the command... RemarksEnter system view system-view —Enable multicast routing multicastrouting-enableRequiredDisabled by defaultEnter PIM view pim —Configure a multicastsource or multicastsource-group filtersource-policyacl-numberOptionalYou can define the relatedIP addresses in an ACL.