Configuration procedure ··························································································································· 85

Displaying and maintaining IGMP ···················································································································· 85

IGMP configuration examples ·························································································································· 86

Basic IGMP features configuration examples ·························································································· 86

IGMP SSM mapping configuration example ···························································································· 88

Troubleshooting IGMP ····································································································································· 91

No membership information on the receiver-side router ·········································································· 91

Inconsistent membership information on the routers on the same subnet ··············································· 92

Configuring PIM ···························································································· 94

Overview ·························································································································································· 94

PIM-DM overview ····································································································································· 94

PIM-SM overview ····································································································································· 96

BIDIR-PIM overview ······························································································································· 100

Administrative scoping overview ············································································································ 103

PIM-SSM overview ································································································································· 105

Relationship among PIM protocols ········································································································ 106

PIM support for VPNs ···························································································································· 107

Protocols and standards ························································································································ 107

Configuring PIM-DM ······································································································································ 107

PIM-DM configuration task list ··············································································································· 108

Configuration prerequisites ···················································································································· 108

Enabling PIM-DM ··································································································································· 108

Enabling the state refresh feature ·········································································································· 108

Configuring state refresh parameters ····································································································· 109

Configuring PIM-DM graft retry timer ····································································································· 109

Configuring PIM-SM ······································································································································· 110

PIM-SM configuration task list ················································································································ 110

Configuration prerequisites ···················································································································· 110

Enabling PIM-SM ··································································································································· 110

Configuring an RP ·································································································································· 111

Configuring a BSR ································································································································· 112

Configuring multicast source registration ······························································································· 114

Configuring the switchover to SPT ········································································································· 115

Configuring BIDIR-PIM ·································································································································· 115

Configuration restrictions and guidelines ······························································································· 115

BIDIR-PIM configuration task list ··········································································································· 115

Configuration prerequisites ···················································································································· 116

Enabling BIDIR-PIM ······························································································································· 116

Configuring an RP ·································································································································· 117

Configuring a BSR ································································································································· 118

Configuring PIM-SSM ···································································································································· 120

PIM-SSM configuration task list ············································································································· 120

Configuration prerequisites ···················································································································· 120

Enabling PIM-SM ··································································································································· 121

Configuring the SSM group range ·········································································································· 121

Configuring common PIM features ················································································································ 122

Configuration task list ····························································································································· 122

Configuration prerequisites ···················································································································· 122

Configuring a multicast source policy ····································································································· 122

Configuring a PIM hello policy ················································································································ 122

Configuring PIM hello message options ································································································· 123

Configuring common PIM timers ············································································································ 124

Setting the maximum size of each join or prune message ····································································· 126

Enabling BFD for PIM ···························································································································· 126

Enabling PIM passive mode ··················································································································· 126

Enabling PIM NSR ································································································································· 127

Displaying and maintaining PIM ····················································································································· 127

PIM configuration examples ··························································································································· 128

PIM-DM configuration example ·············································································································· 128

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