IGMP proxying ·················································································································· 83
IGMP support for VPNs ······································································································ 84
Protocols and standards ····································································································· 84
Enabling IGMP ················································································································· 85
Adjusting IGMP performance ······································································································ 87
Configuration procedure ····································································································· 90
Configuring IGMP proxying ········································································································ 90
Configuration prerequisites ·································································································· 90
Enabling IGMP proxying ····································································································· 90
Enabling IGMP NSR ················································································································· 92
Troubleshooting IGMP ·············································································································· 99
Configuring PIM ··········································································· 101
Overview ······························································································································ 101
PIM-DM overview ············································································································ 101
PIM-SM overview ············································································································ 103
BIDIR-PIM overview ········································································································· 109
PIM-SSM overview ·········································································································· 114
PIM support for VPNs ······································································································· 116
Protocols and standards ··································································································· 116
Configuring PIM-DM ··············································································································· 116
Enabling PIM-DM ············································································································ 117
Configuring PIM-SM ··············································································································· 119
Enabling PIM-SM ············································································································ 119
Configuring an RP ··········································································································· 120
Configuring a BSR ··········································································································· 122
Configuring BIDIR-PIM ············································································································ 125
Enabling BIDIR-PIM ········································································································· 126
Configuring an RP ··········································································································· 126
Configuring a BSR ··········································································································· 128
Configuring PIM-SSM ············································································································· 130
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