Juniper Lab I

In this series I will show how to set up MPLS LSP paths on Juniper routers and run layer 3 vpn’s over it. I will also show how to configure primary and secondary LSP paths.

Below is the lab topology I will use for this lab :

Juniper-Lab-LSP

But first things first, in this post I will show how to configure the interfaces for this lab. Let’s start configuring the interfaces on the routers.

Interfaces:


R1 :

set interfaces fxp1 vlan-tagging
set interfaces fxp1 unit 10 vlan-id 10
set interfaces fxp1 unit 10 family inet address 11.11.11.1/24
set interfaces fxp2 vlan-tagging
set interfaces fxp2 unit 130 vlan-id 130
set interfaces fxp2 unit 130 family inet address 10.0.13.1/24
set interfaces fxp3 vlan-tagging
set interfaces fxp3 unit 120 vlan-id 120
set interfaces fxp3 unit 120 family inet address 10.0.12.1/24
set interfaces lo0 unit 0 family inet address 1.1.1.1/32

R2 :

set interfaces fxp2 vlan-tagging
set interfaces fxp2 unit 240 vlan-id 240
set interfaces fxp2 unit 240 family inet address 10.0.24.2/24
set interfaces fxp4 vlan-tagging
set interfaces fxp4 unit 120 vlan-id 120
set interfaces fxp4 unit 120 family inet address 10.0.12.2/24
set interfaces lo0 unit 0 family inet address 2.2.2.2/32

R3 :

set interfaces fxp1 vlan-tagging
set interfaces fxp1 unit 130 vlan-id 130
set interfaces fxp1 unit 130 family inet address 10.0.13.3/24
set interfaces fxp4 vlan-tagging
set interfaces fxp4 unit 340 vlan-id 340
set interfaces fxp4 unit 340 family inet address 10.0.34.3/24
set interfaces lo0 unit 0 family inet address 3.3.3.3/32

R4 :

set interfaces fxp1 vlan-tagging
set interfaces fxp1 unit 240 vlan-id 240
set interfaces fxp1 unit 240 family inet address 10.0.24.4/24
set interfaces fxp2 vlan-tagging
set interfaces fxp2 unit 340 vlan-id 340
set interfaces fxp2 unit 340 family inet address 10.0.34.4/24
set interfaces fxp3 vlan-tagging
set interfaces fxp3 unit 30 vlan-id 30
set interfaces fxp3 unit 30 family inet address 44.44.44.4/24
set interfaces lo0 unit 0 family inet address 4.4.4.4/32
    

Next let set up OSPF for this lab :

OSPF :


R1 :

set protocols ospf area 0.0.0.0 interface fxp3.120
set protocols ospf area 0.0.0.0 interface fxp2.130 metric 11
set protocols ospf area 0.0.0.0 interface lo0.0 passive

R2 :

set protocols ospf area 0.0.0.0 interface fxp4.120
set protocols ospf area 0.0.0.0 interface fxp2.240
set protocols ospf area 0.0.0.0 interface lo0.0 passive

R3 :

set protocols ospf area 0.0.0.0 interface fxp1.130
set protocols ospf area 0.0.0.0 interface fxp4.340
set protocols ospf area 0.0.0.0 interface lo0.0 passive

R4 :

set protocols ospf area 0.0.0.0 interface fxp1.240
set protocols ospf area 0.0.0.0 interface fxp2.340 metric 11
set protocols ospf area 0.0.0.0 interface lo0.0 passive
    

Next let set up iBGP :

iBGP :


R1 :

set protocols bgp group internal type internal
set protocols bgp group internal local-address 1.1.1.1
set protocols bgp group internal neighbor 4.4.4.4

R4 :

set protocols bgp group internal type internal
set protocols bgp group internal local-address 4.4.4.4
set protocols bgp group internal neighbor 1.1.1.1
    

In the next post I will show how to configure MPLS and LSP for this test lab.

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