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Configuring the Routing Instance on the PE2 Router

Configure the routing instance (VPN-A) for the Layer 3 VPN on the PE2 router. You need to set the PIM instance for the VPN. Use the vpn-group-address statement at the [edit routing-instances routing-instance-name protocols pim] hierarchy level to specify the VPN group address, which is used for multicast over a Layer 3 VPN configuration. As you did for the PE1 router, configure an additional unit on the loopback interface of the PE2 router at the [edit interfaces] hierarchy level and assign an address from the VPN address space.



routing-instances {


VPN-A {
instance-type vrf;
interface t1-2/0/0:0.0;
interface lo0.1;
route-distinguisher 10.255.71.51:100;
vrf-import VPNA-import;
vrf-export VPNA-export;


protocols {


ospf {
export bgp-to-ospf;


area 0.0.0.0 {
interface t1-2/0/0:0.0;
interface lo0.1;
}


}




pim {
vpn-group-address 239.1.1.1;


rp {


static {
address 10.255.245.91;
}


}




interface t1-2/0/0:0.0 {
mode sparse;
version 2;


interface lo0.1 {
mode sparse;
version 2;
}


}


}


}


}




interfaces {


lo0 {
description "unit 1 has the important PIM address";


unit 0 {


family inet {
address 192.168.27.14/32;
primary;
address 127.0.0.1/32;
}


}




unit 1 {


family inet {
address 10.10.47.102/32;
}


}


}


}


}

Note: Multicast Layer 3 VPNs require the BGP next-hop address of the VPN route to match the BGP next-hop address of the loopback VRF instance address.

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