Version Description8.3.19.0 Introduced on the S4820T.8.3.11.1 Introduced on the Z9000.8.3.7.0 Introduced on the S4810.8.1.1.0 Introduced on the E-Series.7.8.1.0 Introduced on the C-Series on port-channels and the S-Series.Usage Information The router with the largest value assigned to an interface becomes the designated router. If two interfaces containthe same designated router priority value, the interface with the largest interface IP address becomes thedesignated router.ip pim join-filterPermit or deny PIM Join/Prune messages on an interface using an extended IP access list. This command prevents the PIM-SM routerfrom creating state based on multicast source and/or group.Syntax ip pim [vrf vrf-name] join-filter ext-access-list [in | out]To remove the access list, use the no ip pim [vrf vrf-name] join-filter ext-access-listcommand.Parameters vrf vrf-name (OPTIONAL) Enter the keyword vrf followed by the name of the VRF to permit or denyPIM join or prune messages on an interface associated with that VRF.ext-access-list Enter the name of an extended access list.Defaults noneCommand Modes INTERFACECommand History This guide is platform-specific. For command information about other platforms, see the relevant Dell NetworkingOS Command Line Reference Guide.Version Description9.10(0.1) Introduced on the S6010-ON and S4048T-ON.9.10(0.0) Introduced on the S3148.9.10(0.0) Introduced on the S6100-ON.9.8(2.0) Introduced on the S3100 series.9.8(1.0) Introduced on the Z9100-ON.9.8(0.0P5) Introduced on the S4048-ON.9.8(0.0P2) Introduced on the S3048-ON.9.7(0.0) Removed the in and out parameters. Introduced on the S6000-ON.9.5(0.1) Introduced on the Z9500.9.0.2.0 Introduced on the S6000.8.3.19.0 Introduced on the S4820T.1204 PIM-Sparse Mode (PIM-SM)