PIM snooping is an extension to igmp snooping. L2 subsystem forwards mcast packets to host ports by listening igmp join/leave packets and spams all mcast packets to a router port. With PIM extension L2 subsystem forward packets to mroute ports by lis...
Duplicating router id might bring up a lot of surprising results. If admin is not familiar with network administration and google problems on forums instead of diagnose it then he might go far away from solution. But this requires 100+ nodes in routi...
How are AutoRP messages (announcements from RP-candidates, group-to-RP mappings from mapping agents) delivered across a network when an RP is already known? Are the 224.0.1.39 (RP-ANNOUNCE) and 224.0.1.40 (RP-DISCOVERY) strictly dense mode? It travel...
If you want R2 to become DR for 10.2.3.0/24 network, then you can change DR priority with "ip pim dr-priority" interface command. Probably you mixing RP and SP trees. RPT's top point is in RP and circle should be broken at 10.2.3.0/24 segment. And SP...