Operation Manual – MulticastH3C S7500 Series Ethernet Switches Chapter 7 PIM Configuration7-13To do... Use the command... RemarksClear PIM neighborsreset pim neighbor { all |{ neighbor-address | interfaceinterface-type interface-number } * }Perform theconfiguration inuser view.7.3 PIM-DM ConfigurationPerform the following configuration to configure PIM-DM. When the router runs in aPIM-DM domain, you are recommended to enable PIM-DM on all the interfaces ofnon-boarder routers.7.3.1 Configuring Filtering Policies for Multicast Source/GroupFollow these steps to configure filtering policies for multicast source/group:To do... Use the command... RemarksEnter system view system-view —Enable the multicastrouting protocolmulticastrouting-enable RequiredEnter PIM view pim —Perform source/groupfilter on the receivedmulticast packetssource-policyacl-numberOptionalYou can configure to filterthe IP addresses of somemulticast groups in an ACL.Caution:z If you configure basic ACLs, the source address match is performed on all thereceived multicast packets. The packets failing to match are discarded.z If you configure advanced ACLs, the source address and group address match areperformed on all the received multicast packets. The packets failing to match arediscarded.7.4 PIM-SM ConfigurationComplete the following tasks to configure PIM-SM: