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- TROUBLESHOOTING
- # Check kernel mcast cache
- # On Linux:
- ip mroute show
- ! qpimd on last-hop router
- ! . attached to mcast receiver
- ! . runnning both PIM-SSM and IGMPv3
- !
- show ip mroute (kernel mcast programming is correct?)
- show ip pim upstream (we joined our upstream?)
- show ip pim neighbor (upstream is neighbor?)
- show ip pim interface (pim enabled on interfaces?)
- show ip multicast (multicast enabled at all?)
- show ip rib SRC (unicast route towards source?)
- show ip igmp sources (receiver joined on interface?)
- show ip igmp interface (igmp enabled on receiver interface?)
- ! qpimd on intermmediate routers
- ! . may be attached to mcast source
- ! . runnning only PIM-SSM, not IGMPv3
- !
- show ip mroute (kernel mcast programming is correct?)
- show ip pim upstream (we joined our upstream?)
- show ip pim join (downstream joined us?)
- show ip pim neighbor (downstream is neighbor?)
- show ip pim interface (pim enabled on interfaces?)
- show ip multicast (multicast enabled at all?)
- show ip rib SRC (unicast route towards source?)
- --EOF--
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