Several servers sourcing groups from 184.108.40.206 to 220.127.116.11 range. This range contains several groups widely spreaded within it.. Distance between source and destination is 1 hop in the middle (6509). Interface according tcpdump are only receiving join for let's say 230.5.x.x group range, but all groups are represented in this segment and it looks like that router simply join them for no reason. IGMP access list which are applied to the interface giving ability to join only 230.5.x.x range. All interfaces are working in sparse-dense mode of PIM and have right neighbors. Access list which is appied to the intefaces of the client networks giving ability only to join and reply to IGMP query, but not source particular group. CGMP is off.
Question: May be it would be wise idea to enable only sparse mode?
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