MPLS VPN IPv4

hai everybody i am back, long time no see
its time for me to continue posting about networking
maybe starting this time and next time i wilL posting about MPLS Network
now its about MPLS VPN IPv4








this is my first MPLS lab using GNS 3

how about the rule ???
1. don't use sub interface on serial interface PE-CE1
2. create vrf name vpn_1 & vpn_2
3. network PE-CE must overlap ecah other
example PE-CE1 must overlap PE-CE2
4.use rip for PE-CE
5.use ospf for backbone router

and this is sample configuration for PE1

create vrf for vpn_1 & vpn_2
this configuration is mandatory configured

ip vrf vpn_1
rd 777:1
route-target export 777:1
route-target import 777:1
!
ip vrf vpn_2
rd 777:2
route-target export 777:2
route-target import 777:2

configure loopback interface you must configure IP with /32 prefix

interface Loopback0
ip address 202.162.208.1 255.255.255.255


configure interface to backbone network in cisco 3640 you can use tag switching ip or mpls ip command
!
interface FastEthernet0/0
ip address 202.162.208.5 255.255.255.252
duplex auto
speed auto
mpls ip
!

Configure PE-CE interface

!
interface Serial1/0
ip vrf forwarding vpn_1
ip address 192.168.2.1 255.255.255.252
encapsulation frame-relay
serial restart-delay 0
clock rate 504000
no arp frame-relay
frame-relay map ip 192.168.2.2 101 broadcast
no frame-relay inverse-arp
!
interface Serial1/1
no ip address
encapsulation frame-relay
serial restart-delay 0
clock rate 1008000
!
interface Serial1/1.102 point-to-point
ip vrf forwarding vpn_2
ip address 192.168.2.1 255.255.255.252
no arp frame-relay
frame-relay interface-dlci 102
!

Configure global IGP

router ospf 1
log-adjacency-changes
network 202.162.208.0 0.0.0.255 area 0
!

Configure IGP in VRF vpn_1 & vpn_2

router rip
version 2
!
address-family ipv4 vrf vpn_2
redistribute bgp 777 metric transparent
network 192.168.2.0
no auto-summary
version 2
exit-address-family
!
address-family ipv4 vrf vpn_1
redistribute bgp 777 metric transparent
network 192.168.2.0
no auto-summary
version 2
exit-address-family
!

Configure MP-BGP session

!
router bgp 777
no synchronization
bgp log-neighbor-changes
neighbor 202.162.208.3 remote-as 777
neighbor 202.162.208.3 update-source Loopback0
neighbor 202.162.208.3 next-hop-self
no auto-summary
!
address-family vpnv4
neighbor 202.162.208.3 activate
neighbor 202.162.208.3 send-community both
exit-address-family
!
address-family ipv4 vrf vpn_2
redistribute rip
no synchronization
exit-address-family
!
address-family ipv4 vrf vpn_1
redistribute rip
no synchronization
exit-address-family

finish configuration for PE

for P router

Activate tag switching or mpls IP and global IGP

interface Loopback0
ip address 202.162.208.2 255.255.255.255
!
interface FastEthernet0/0
ip address 202.162.208.6 255.255.255.252
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip address 202.162.208.9 255.255.255.252
duplex auto
speed auto
mpls ip
!
interface FastEthernet2/0
ip address 202.162.208.253 255.255.255.252
duplex auto
speed auto
mpls ip
!
router ospf 1
log-adjacency-changes
network 202.162.208.0 0.0.0.255 area 0

now let's troubleshoot them

you can use show mpls forwarding table command









let's check it with traceroute



















if you want to see all configuration download at
http://sioduy.100webspace.net/MPLS%20VPN%20IPv4/


for the next post i will posting MPLS IPv6 or 6VPE