iv
Displaying and maintaining PIM ································································································································ 116
PIM configuration examples ······································································································································· 117
PIM-DM configuration example ························································································································· 117
PIM-SM non-scoped zone configuration example ··························································································· 120
PIM-SM admin-scoped zone configuration example ······················································································· 123
BIDIR-PIM configuration example ······················································································································· 129
PIM-SSM configuration example ························································································································ 133
Troubleshooting PIM ···················································································································································· 136
A multicast distribution tree cannot be correctly built ······················································································ 136
Multicast data is abnormally terminated on an intermediate router ······························································ 137
An RP cannot join an SPT in PIM-SM ················································································································ 138
An RPT cannot be built or multicast source registration fails in PIM-SM ························································ 138
Configuring MSDP ·················································································································································· 140
Overview ······································································································································································· 140
How MSDP works ··············································································································································· 140
MSDP support for VPNs ······································································································································ 144
Protocols and standards ····································································································································· 144
MSDP configuration task list ······································································································································· 145
Configuring basic MSDP functions ····························································································································· 145
Configuration prerequisites ································································································································ 145
Enabling MSDP ···················································································································································· 145
Creating an MSDP peering connection ············································································································ 146
Configuring a static RPF peer ···························································································································· 146
Configuring an MSDP peering connection ··············································································································· 146
Configuration prerequisites ································································································································ 147
Configuring the description for an MSDP peer ································································································ 147
Configuring an MSDP mesh group ··················································································································· 147
Controlling MSDP peering connections ············································································································ 148
Configuring SA message related parameters ··········································································································· 148
Configuration prerequisites ································································································································ 148
Configuring SA message contents ····················································································································· 149
Configuring SA request messages ····················································································································· 149
Configuring SA message filtering rules ············································································································· 150
Configuring the SA message cache ·················································································································· 151
Displaying and maintaining MSDP ···························································································································· 151
MSDP configuration examples ···································································································································· 152
PIM-SM inter-domain multicast configuration ··································································································· 152
Anycast RP configuration ···································································································································· 157
SA message filtering configuration ···················································································································· 162
Troubleshooting MSDP ················································································································································ 165
MSDP peers stay in disabled state ···················································································································· 165
No SA entries exist in the router's SA message cache ··················································································· 166
No exchange of locally registered (S, G) entries between RPs ······································································ 166
Configuring multicast VPN ····································································································································· 168
Overview ······································································································································································· 168
MD-VPN overview ··············································································································································· 170
Protocols and standards ····································································································································· 173
How MD-VPN works ···················································································································································· 173
Default-MDT establishment ································································································································· 173
Default-MDT-based delivery ································································································································ 175
MDT switchover ··················································································································································· 178
Inter-AS MD VPN ················································································································································· 179
Multicast VPN configuration task list ·························································································································· 180
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