Operation Manual – MulticastH3C S7500 Series Ethernet Switches Chapter 7 PIM Configuration7-11Follow these steps to configure the interval of sending Hello messages:To do... Use the command... RemarksEnter system view system-view —Enable the multicastrouting protocolmulticastrouting-enable RequiredEnter VLAN interface view interface Vlan-interfaceinterface-number —Enable PIM-DM/PIM-SM pim dm / pim smRequiredConfigure the PIMprotocol type on theinterface.Configure the interval ofsending Hello messages pim timer hello secondsRequiredThe interval of sendingHello messages is 30seconds.Caution:z When PIM-DM is enabled on an interface, PIM-SM cannot be enabled on theinterface any more, and vice versa.z When PIM-DM is enabled on an interface of the switch, only PIM-DM can beenabled on the other interfaces of the switch, and vice versa.7.2.3 Configuring PIM NeighborsIn order to prevent plenty of PIM neighbors from using out the memory of the router,which may result in router failure, you can limit the number of PIM neighbors on therouter interface. However, the total number of PIM neighbors of a router is defined bythe system, and you cannot modify it by using commands.You can configure basic ACL 2000 to 2999 (refer to the part about ACL in this manual).Only the filtered Layer 3 switches (routers) cam serve as the PIM neighbors of thecurrent interface.Follow these steps to configure PIM neighbors:To do... Use the command... RemarksEnter system view system-view —Enable the multicastrouting protocolmulticastrouting-enable Required
