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Configuration for Router C

Configure two BGP sessions (configure family inet-vpn on both sessions):

IBGP session to Router B (group to-ibgp in this example)
EBGP session to Router D (group to-ebgp-pe in this example)

Interface t3-0/2/0 is added at the [edit protocols mpls] hierarchy level, allowing BGP to announce routes with labels over the EBGP session.

Configure Router C:



[edit]
protocols {


bgp {


group to-ibgp {
type internal;
local-address 10.255.14.171;


family inet {
labeled-unicast;
}


neighbor 10.255.14.175;
}




group to-ebgp-pe {
type external;


family inet {
labeled-unicast;
}


export internal;


neighbor 192.168.197.22 {
peer-as 10045;
}


}




mpls {


label-switched-path to-routerB {
to 10.255.14.175;
description "to-routerB for use with vpns";
}


interface t3-0/2/0.0;
interface so-0/0/0.0;
traffic-engineering bgp-igp;
}




rsvp {
interface t3-0/2/0.0;
}




ospf {
traffic-engineering;
reference-bandwidth 4g;


area 0.0.0.0 {
interface t3-0/2/0.0;


interface lo0.0 {
passive;
}


}


}


}




policy-options {


policy-statement internal {


term 1 {
from protocol [ospf direct ldp];
then accept;
}




term 2 {
then reject;
}


}


}


}

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