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Configuring Multiple Rendezvous Points in a Domain

You can configure multiple RPs in a shared-tree PIM sparse-mode domain. You need to configure an MSDP local address to enable the RPs in the domain to maintain a consistent view of the active sources.

To configure a router to act as an RP in a domain with other RPs, do the following for each router in the domain that acts as an RP:

Create the router ID by configuring a unique and routable IP address on the loopback interface and setting the primary address flag.
Configure a non-unique, but routable, unicast address on the loopback interface.
Use the non-unique, routable unicast address to configure the PIM router to be the local RP.
Configure MSDP with the unique and routable address (router ID) as the local address of the peer.

For a sample configuration of multiple RPs, see Example: Configuring a Router to Use Anycast RP. For more information about configuring interfaces, see the JUNOS Network Interfaces Configuration Guide.

Example: Configuring a Router to Use Anycast RP

The following example configures a router to use anycast RP:



[edit]
interfaces {
...


lo0 {


unit 0 {


family inet {
# This must be a unique routable address and router-id



address 10.1.1.1/32 {
primary;
}


# This must be a non-unique routable anycast
RP address

address 10.10.10.10/32;
address 127.0.0.1/32;
}


}


}


}
routing-options {


interface-routes {
rib-group ifrg;
}




rib-groups {


ifrg {
import-rib [ inet.0 inet.2];
}




mcrg {
export-rib inet.2;
import-rib inet.2;
}


}


autonomous-system 1234;
}
protocols {


bgp {


group red {
type internal;
family inet any;


neighbor 10.1.1.2 {
local-address 10.1.1.1;
}


}


}





msdp {

rib-group mcrg;



group red { 



peer 10.1.1.2 {

local-address 10.1.1.1;
}


}


}




pim {


dense-groups {
224.0.1.39/32;
224.0.1.40/32;
}


rib-group mcrg; 


rp {


local {
address 10.10.10.10;
}


}




interface all {
mode sparse-dense;
version 2; 
}




interface fxp0.0 {
disable;
}


}


}

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