iv
Configuring MSDP ········································································ 146
Overview ································································································································ 146
How MSDP works ············································································································· 146
MSDP support for VPNs ····································································································· 151
Protocols and standards ····································································································· 151
MSDP configuration task list ······································································································· 152
Configuring basic MSDP features ································································································ 152
Configuration prerequisites·································································································· 152
Enabling MSDP ················································································································ 152
Specifying an MSDP peer ··································································································· 153
Configuring a static RPF peer ······························································································ 153
Configuring an MSDP peering connection ····················································································· 153
Configuration prerequisites·································································································· 153
Configuring a description for an MSDP peer ··········································································· 154
Configuring an MSDP mesh group ························································································ 154
Controlling MSDP peering connections ·················································································· 154
Configuring SA message-related parameters ················································································ 155
Configuration prerequisites·································································································· 155
Enabling multicast data encapsulation in SA messages ···························································· 155
Configuring the originating RP of SA messages ······································································ 156
Configuring SA request messages ························································································ 156
Configuring SA message policies ························································································· 157
Configuring the SA cache mechanism ··················································································· 158
Displaying and maintaining MSDP ······························································································· 158
MSDP configuration examples ···································································································· 159
PIM-SM inter-domain multicast configuration ·········································································· 159
Inter-AS multicast configuration by leveraging static RPF peers ················································· 163
Anycast RP configuration ···································································································· 168
SA message filtering configuration ························································································ 171
Troubleshooting MSDP ············································································································· 175
MSDP peers stay in disabled state ······················································································· 175
No SA entries exist in the router's SA message cache ······························································ 175
No exchange of locally registered (S, G) entries between RPs ··················································· 175
Configuring multicast VPN ····························································· 177
Overview ································································································································ 177
MD VPN overview ············································································································· 178
Protocols and standards ····································································································· 181
How MD VPN works ················································································································· 182
Default-MDT establishment ································································································· 182
Default-MDT-based delivery ································································································ 185
MDT switchover ················································································································ 188
Inter-AS MD VPN ·············································································································· 189
M6VPE ···························································································································· 192
Multicast VPN configuration task list ···························································································· 193
Configuring MD VPN ················································································································ 194
Configuration prerequisites·································································································· 194
Enabling IP multicast routing for a VPN instance ····································································· 194
Creating an MD for a VPN instance ······················································································ 195
Create an MD address family ······························································································ 195
Specifying the default-group ································································································ 195
Specifying the MD source interface ······················································································· 196
Configuring MDT switchover parameters ··············································································· 196
Configuring the RPF vector feature ······················································································· 197
Enabling data-group reuse logging ······················································································· 198
Configuring BGP MDT ·············································································································· 198
Configuration prerequisites·································································································· 198
Configuring BGP MDT peers or peer groups ·········································································· 199
Configuring a BGP MDT route reflector ················································································· 199
Displaying and maintaining multicast VPN ···················································································· 200
Multicast VPN configuration examples ························································································· 201
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