Category:Cisco Systems -> Routing and Switching
CE1_R1
router ospf 1
router-id 9.9.9.9
log-adjacency-changes
redistribute connected
network 192.168.1.0 0.0.0.3 area 1
network 192.168.2.0 0.0.0.3 area 0
CE1_R2
router ospf 1
router-id 7.7.7.7
log-adjacency-changes
network 7.7.7.7 0.0.0.0 area 3
network 192.168.6.0 0.0.0.3 area 0
PE1
ip vrf Customer_1
rd 65000:1
route-target export 65000:1
route-target import 65000:1
interface FastEthernet0/1
ip vrf forwarding Customer_1
ip address 192.168.2.2 255.255.255.252
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip address 192.168.5.1 255.255.255.252
duplex auto
speed auto
mpls ip
!
router ospf 2 vrf Customer_1
log-adjacency-changes
redistribute bgp 65000 subnets
network 192.168.2.0 0.0.0.3 area 0
router ospf 1
router-id 10.10.10.10
log-adjacency-changes
network 10.10.10.10 0.0.0.0 area 0
network 192.168.5.0 0.0.0.255 area 0
network 192.168.7.0 0.0.0.255 area 0
!
router bgp 65000
no synchronization
bgp log-neighbor-changes
redistribute connected
neighbor 4.4.4.4 remote-as 65000
neighbor 4.4.4.4 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 4.4.4.4 activate
neighbor 4.4.4.4 send-community both
exit-address-family
!
address-family ipv4 vrf Customer_1
redistribute ospf 2 vrf Customer_1 match internal external 1 external 2
no synchronization
exit-address-family
PE2
ip vrf Customer_1
rd 65000:1
route-target export 65000:1
route-target import 65000:1
interface FastEthernet0/0
ip vrf forwarding Customer_1
ip address 192.168.6.2 255.255.255.252
duplex auto
speed auto
mpls ip
!
interface FastEthernet0/1
ip address 192.168.4.2 255.255.255.252
duplex auto
speed auto
mpls ip
router ospf 2 vrf Customer_1
log-adjacency-changes
redistribute bgp 65000 subnets
network 192.168.6.0 0.0.0.3 area 0
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
network 4.4.4.4 0.0.0.0 area 0
network 192.168.4.0 0.0.0.3 area 0
network 192.168.7.0 0.0.0.3 area 0
!
router bgp 65000
no synchronization
bgp log-neighbor-changes
redistribute connected
neighbor 10.10.10.10 remote-as 65000
neighbor 10.10.10.10 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 10.10.10.10 activate
neighbor 10.10.10.10 send-community both
exit-address-family
!
address-family ipv4 vrf Customer_1
redistribute ospf 2 vrf Customer_1 match internal external 1 external 2
no synchronization
exit-address-family
P1
interface FastEthernet0/0
ip address 192.168.5.2 255.255.255.252
duplex auto
speed auto
mpls ip
!
interface FastEthernet0/1
ip address 192.168.4.1 255.255.255.252
duplex auto
speed auto
mpls ip
router ospf 1
router-id 8.8.8.8
log-adjacency-changes
network 8.8.8.8 0.0.0.0 area 0
network 192.168.4.0 0.0.0.3 area 0
network 192.168.5.0 0.0.0.3 area 0
mpls ldp router-id Loopback0
P1(config-router)#
*Mar 1 00:10:18.763: %LDP-5-NBRCHG: LDP Neighbor 10.10.10.10:0 (1) is UP
*Mar 1 00:10:19.047: %LDP-5-NBRCHG: LDP Neighbor 4.4.4.4:0 (2) is UP
P1#sh mpls ldp neighbor
Peer LDP Ident: 10.10.10.10:0; Local LDP Ident 8.8.8.8:0
TCP connection: 10.10.10.10.40832 - 8.8.8.8.646
State: Oper; Msgs sent/rcvd: 9/11; Downstream
Up time: 00:00:36
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.5.1
Addresses bound to peer LDP Ident:
192.168.3.1 192.168.5.1 10.10.10.10 4.2.2.2
192.168.7.1
Peer LDP Ident: 4.4.4.4:0; Local LDP Ident 8.8.8.8:0
TCP connection: 4.4.4.4.646 - 8.8.8.8.25633
State: Oper; Msgs sent/rcvd: 9/9; Downstream
Up time: 00:00:36
LDP discovery sources:
FastEthernet0/1, Src IP addr: 192.168.4.2
Addresses bound to peer LDP Ident:
192.168.4.2 4.4.4.4 192.168.7.2
R1
R1#trace 7.7.7.7
Type escape sequence to abort.
Tracing the route to 7.7.7.7
1 192.168.1.1 48 msec 72 msec 32 msec
2 192.168.2.2 160 msec 156 msec 160 msec
3 192.168.5.2 [MPLS: Labels 17/19 Exp 0] 268 msec 156 msec 196 msec
4 192.168.6.2 [MPLS: Label 19 Exp 0] 268 msec 156 msec 232 msec
5 192.168.6.1 228 msec * 260 msec
R1#
Also see MPLS VPN L2 Point to Point
Alternate approach: File:MPLS_VPN_L3.zip
