The following example shows how to delete all sources on the 228.3.0.0 subnet that are sending to the multicast
group 224.2.205.42 from the IP multicast routing table. This example shows how to delete all sources on
network 228.3, not individual sources:
Device# clear ip mroute 224.2.205.42 228.3.0.0
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
216
clear ip mroute