[Contents] [Prev] [Next] [Index] [Report an Error]

LDP-over-MPLS VPN Configuration Summarized by Router

Router PE1

Routing Instance for VPN-A



routing-instance {


VPN-A {
instance-type vrf;
interface ge-1/0/0.0;
route-distinguisher 65535:0;
vrf-import VPN-A-import;
vrf-export VPN-A-export;
}


}

Instance Routing Protocol



protocols {


rip {


group PE1-to-CE1 {
neighbor ge-1/0/0.0;
}


}


}

Interfaces



interfaces {


so-1/0/0 {


unit 0 {
family mpls;
}


}




ge-1/0/0 {
unit 0;
}


}

Master Protocol Instance



protocols {
}

Enable LDP



ldp {
interface so-1/0/0.0;
}

Enable MPLS



mpls {
interface so-1/0/0.0;
interface ge-1/0/0.0;
}

Configure IBGP



bgp {


group PE1-to-PE2 {
type internal;
local-address 10.255.1.1; 


family inet-vpn {
unicast;
}


neighbor 10.255.100.1;
}


}

Configure VPN Policy



policy-options {


policy-statement VPN-A-import {


term a {


from {
protocol bgp;
community VPN-A;
}


then accept;
}




term b {
then reject;
}


}




policy-statement VPN-A-export {


term a {
from protocol rip;


then {
community add VPN-A;
accept;
}


}




term b {
then reject;
}


}


community VPN-A members target:65535:00;
}

Router P1

Master Protocol Instance



protocols {
}

Enable RSVP



rsvp {
interface so-1/0/1.0;
}

Enable LDP



ldp {
interface so-1/0/0.0;
interface lo0.0;
}

Enable MPLS



mpls {


label-switched-path P1-to-P3 {
to 10.255.100.1;
ldp-tunneling;
}


interface so-1/0/0.0;
interface so-1/0/1.0;
}

Configure OSPF for Traffic Engineering Support



ospf {
traffic-engineering;


area 0.0.0.0 {
interface so-1/0/0.0;
interface so-1/0/1.0;
}


}

Router P2

Master Protocol Instance



protocols {
}

Enable RSVP



rsvp {
interface so-1/1/0.0;
interface at-2/0/0.0;
}

Enable MPLS



mpls {
interface so-1/1/0.0;
interface at-2/0/0.0;
}

Router P3

Master Protocol Instance



protocols {
}

Enable RSVP



rsvp {
interface at-2/0/1.0;
}

Enable LDP



ldp {
interface so-0/0/0.0;
interface lo0.0;
}

Enable MPLS



mpls {


label-switched-path P3-to-P1 {
to 10.255.2.2;
ldp-tunneling;
}


interface at-2/0/1.0;
interface so-0/0/0.0;
}

Configure OSPF for Traffic Engineering Support



ospf {
traffic-engineering;


area 0.0.0.0 {
interface at-2/0/1.0;
interface at-2/0/1.0;
}


}

Router PE2

Routing Instance for VPN-A



routing-instance {


VPN-A {
instance-type vrf;
interface so-1/2/0.0;
route-distinguisher 65535:1;
vrf-import VPN-A-import;
vrf-export VPN-A-export;
}


}

Instance Routing Protocol



protocols {


ospf {


area 0.0.0.0 {
interface so-1/2/0.0;
}


}


}

Interfaces



interfaces {


so-0/0/0 {


unit 0 {
family mpls;
}


}




so-1/2/0 {
unit 0;
}


}

Master Protocol Instance



protocols {
}

Enable LDP



ldp {
interface so-0/0/0.0;
}

Enable MPLS



mpls {
interface so-0/0/0.0;
interface so-1/2/0.0;
}

Configure IBGP



bgp {


group PE2-to-PE1 {
type internal;
local-address 10.255.200.2; 


family inet-vpn {
unicast;
}


neighbor 10.255.1.1;
}


}

Configure VPN Policy



policy-options {


policy-statement VPN-A-import {


term a {


from {
protocol bgp;
community VPN-A;
}


then accept;
}




term b {
then reject;
}


}




policy-statement VPN-A-export {


term a {
from protocol ospf;


then {
community add VPN-A;
accept;
}


}




term b {
then reject;
}


}


community VPN-A members target:65535:01;
}

[Contents] [Prev] [Next] [Index] [Report an Error]