3Com Switch 7750 SeriesCommand Reference Guide – Multicast Chapter 5 PIM Configuration Commands5-20DescriptionUse the source-policy command to configure the router to filter the received multicastdata packets according to the source address or group address.Use the undo source-policy command to remove the configuration.If resource address filtering is configured, as well as basic ACLs, then the router filtersthe resource addresses of all multicast data packets received. Those not matched willbe discarded.If resource address filtering is configured, as well as advanced ACLs, then the routerfilters the resource and group addresses of all multicast data packets received. Thosenot matched will be discarded.When this feature is configured, the router filters not only multicast data, but themulticast data encapsulated in the registration packets.The new configuration overwrites the old one if you run the command for a secondtime.Example# Set to receive the multicast data packets from source address 10.10.1.2, but discardthose from 10.10.1.1.<3Com> system-viewSystem View: return to User View with Ctrl+Z.[3Com] multicast routing-enable[3Com] pim[3Com-pim] source-policy 2000[3Com-pim] quit[3Com] acl number 2000[3Com-acl-basic-2000] rule permit source 10.10.1.2 0[3Com-acl-basic-2000] rule deny source 10.10.1.1 05.1.22 static-rpSyntaxstatic-rp rp-address [ acl-number ]undo static-rpViewPIM viewParameterrp-address: Static RP address, only being legal unicast IP address.