Configuring IGMP SSM mapping ······························································································································ 118
Enabling SSM mapping ······································································································································ 118
Configuring SSM mappings ······························································································································· 118
Configuring IGMP proxying ······································································································································· 119
Enabling IGMP proxying ···································································································································· 119
Displaying and maintaining IGMP ····························································································································· 120
IGMP configuration examples ···································································································································· 122
Troubleshooting IGMP ················································································································································· 129
PIM overview ································································································································································ 131
PIM-DM overview ················································································································································ 131
PIM-SM overview ················································································································································· 134
BIDIR-PIM overview ·············································································································································· 140
Administrative scoping overview ······················································································································· 144
PIM-SSM overview ··············································································································································· 146
PIM support for VPNs ·········································································································································· 148
Protocols and standards ····································································································································· 148
Configuring PIM-DM ···················································································································································· 149
PIM-DM configuration task list···························································································································· 149
Configuration prerequisites ································································································································ 149
Enabling PIM-DM ················································································································································· 149
Configuring PIM-SM····················································································································································· 152
PIM-SM configuration task list ···························································································································· 152
Configuration prerequisites ································································································································ 152
Enabling PIM-SM ················································································································································· 153
Configuring an RP ··············································································································································· 154
Configuring a BSR ··············································································································································· 156
iv