multicast-ingest-platform/pim-samples.txt at master · GrumpyOldTroll/multicast-ingest-platform · GitHub

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tcpdump -n -vvv pim output:

(running on the ingest-rtr upstream interface)

join:

04:12:35.108800 IP (tos 0x0, ttl 1, id 640, offset 0, flags [none], proto PIM (103), length 54)
    10.8.1.1 > 224.0.0.13: PIMv2, length 34
	Join / Prune, cksum 0xccc9 (correct), upstream-neighbor: 10.8.1.2
	  1 group(s), holdtime: 3m30s
	    group #1: 233.44.15.9, joined sources: 1, pruned sources: 0
	      joined source #1: 129.174.131.51(S)

prune:

04:12:46.759958 IP (tos 0x0, ttl 1, id 643, offset 0, flags [none], proto PIM (103), length 54)
    10.8.1.1 > 224.0.0.13: PIMv2, length 34
	Join / Prune, cksum 0xccc9 (correct), upstream-neighbor: 10.8.1.2
	  1 group(s), holdtime: 3m30s
	    group #1: 233.44.15.9, joined sources: 0, pruned sources: 1
	      pruned source #1: 129.174.131.51(S)