iii
Basic IGMP functions configuration examples ··································································································· 68
IGMP SSM mapping configuration example ····································································································· 71
IGMP proxying configuration example ··············································································································· 74
Troubleshooting IGMP ··················································································································································· 75
No membership information on the receiver-side router ··················································································· 75
Inconsistent membership information on the routers on the same subnet ························································ 76
Configuring PIM ························································································································································· 77
Overview ········································································································································································· 77
PIM-DM overview ·················································································································································· 77
PIM-SM overview ··················································································································································· 79
BIDIR-PIM overview ················································································································································ 86
Administrative scoping overview ························································································································· 89
PIM-SSM overview ················································································································································· 91
Relationship among PIM protocols ······················································································································ 92
PIM support for VPNs ············································································································································ 93
Protocols and standards ······································································································································· 93
Configuring PIM-DM ······················································································································································ 93
PIM-DM configuration task list······························································································································ 94
Configuration prerequisites ·································································································································· 94
Enabling PIM-DM ··················································································································································· 94
Enabling the state refresh feature ························································································································ 94
Configuring state refresh parameters ·················································································································· 95
Configuring PIM-DM graft retry timer ·················································································································· 95
Configuring PIM-SM······················································································································································· 96
PIM-SM configuration task list ······························································································································ 96
Configuration prerequisites ·································································································································· 96
Enabling PIM-SM ··················································································································································· 96
Configuring an RP ················································································································································· 97
Configuring a BSR ················································································································································· 99
Configuring multicast source registration·········································································································· 101
Configuring switchover to SPT ··························································································································· 102
Configuring BIDIR-PIM ················································································································································· 103
BIDIR-PIM configuration task list ························································································································· 103
Configuration prerequisites ································································································································ 103
Enabling BIDIR-PIM ·············································································································································· 103
Configuring an RP ··············································································································································· 104
Configuring a BSR ··············································································································································· 105
Configuring PIM-SSM ·················································································································································· 108
PIM-SSM configuration task list ·························································································································· 108
Configuration prerequisites ································································································································ 108
Enabling PIM-SM ················································································································································· 108
Configuring the SSM group range ···················································································································· 109
Configuring common PIM features ····························································································································· 109
Configuration task list ········································································································································· 109
Configuration prerequisites ································································································································ 109
Configuring a multicast data filter ····················································································································· 110
Configuring a hello message filter ···················································································································· 110
Configuring PIM hello message options ··········································································································· 110
Configuring common PIM timers ······················································································································· 112
Setting the maximum size of each join or prune message ············································································· 113
Enabling BFD for PIM ·········································································································································· 114
Enabling SNMP notifications for PIM ················································································································ 114
Displaying and maintaining PIM ································································································································ 114
PIM configuration examples ······································································································································· 115
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