In this tutorial , I will be implementing MPLS L3 VPN setting with OSPF on the customer side.
interface Loopback0
ip address 3.3.3.3 255.255.255.0
interface FastEthernet0/0
ip address 192.168.13.2 255.255.255.0
no shut
router ospf 1
network 3.3.3.3 0.0.0.0 area 0
network 192.168.13.0 0.0.0.255 area 0
※ for the loopback to be advertised as /24 we run the following command under lo0
int lo0
ip ospf network point-to-point
Neighbor ID Pri State Dead Time Address Interface
3.3.3.3 1 FULL/DR 00:00:31 192.168.13.2 FastEthernet1/0
2.2.2.2 1 FULL/BDR 00:00:31 192.168.12.2 FastEthernet0/0
R1#
-----
R2#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/DR 00:00:39 192.168.12.1 FastEthernet0/0
R2#
------
R3#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/BDR 00:00:34 192.168.13.1 FastEthernet0/0
R3#
conf t
ip cef <<<<<< for MPLS to create a LFIB based on the FIB generated by this command
■R2
conf t
ip cef
■R3
conf t
ip cef
!Setting interfaces belonging to the vrf
interface FastEthernet1/0
TOPOLOGY
CONFIGURATION STEPS
- OSPF CONFIGURATION ON ISP SIDE ( R2-R1-R3)
- ENABLING MPLS ON ISP SIDE
- VRF CONFIGURATION ON PEs(Provider Edge routers)
- OSPF CONFIGURATION ON CEs(Customer Edge routers) and verification
- MP-BGP SETTING AND REDISTRIBUTION OF PE AND CE ROUTES
OSPF CONFIGURATION ON ISP SIDE ( R2-R1-R3
■R1 config
ip address 1.1.1.1 255.255.255.0
- first let's set ip addresses on the target interfaces
ip address 1.1.1.1 255.255.255.0
no shut
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
no shut
interface FastEthernet1/0
ip address 192.168.13.1 255.255.255.0
no shut
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
network 1.1.1.1 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
※ for the loopback to be advertised as /24 we run the following command under lo0
int lo0
ip ospf network point-to-point
■R2 config
ip address 2.2.2.2 255.255.255.0
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
no shut
router ospf 1
router-id 2.2.2.2
network 2.2.2.2 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
※ for the loopback to be advertised as /24 we run the following command under lo0
int lo0
ip ospf network point-to-point
■R3 config
ip address 192.168.12.1 255.255.255.0
no shut
interface FastEthernet1/0
ip address 192.168.13.1 255.255.255.0
no shut
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
network 1.1.1.1 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
※ for the loopback to be advertised as /24 we run the following command under lo0
int lo0
ip ospf network point-to-point
■R2 config
- first let's set ip addresses on the target interfaces
ip address 2.2.2.2 255.255.255.0
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
no shut
router ospf 1
router-id 2.2.2.2
network 2.2.2.2 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
※ for the loopback to be advertised as /24 we run the following command under lo0
int lo0
ip ospf network point-to-point
■R3 config
- first let's set ip addresses on the target interfaces
interface Loopback0
ip address 3.3.3.3 255.255.255.0
interface FastEthernet0/0
ip address 192.168.13.2 255.255.255.0
no shut
router ospf 1
network 3.3.3.3 0.0.0.0 area 0
network 192.168.13.0 0.0.0.255 area 0
※ for the loopback to be advertised as /24 we run the following command under lo0
int lo0
ip ospf network point-to-point
- Verify connectivity by pinging loopbacks
- R1-R2
- R1-R3
- Verify ospf neighborship
Neighbor ID Pri State Dead Time Address Interface
3.3.3.3 1 FULL/DR 00:00:31 192.168.13.2 FastEthernet1/0
2.2.2.2 1 FULL/BDR 00:00:31 192.168.12.2 FastEthernet0/0
R1#
-----
R2#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/DR 00:00:39 192.168.12.1 FastEthernet0/0
R2#
------
R3#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/BDR 00:00:34 192.168.13.1 FastEthernet0/0
R3#
ENABLING MPLS ON ISP SIDE
- We then enable mpls on the PE router on the ISP facing side and on the LSR.
conf t
ip cef <<<<<< for MPLS to create a LFIB based on the FIB generated by this command
int fa0/0
mpls ip
mpls ip
int fa1/0
mpls ip
■R2
conf t
ip cef
int fa0/0
mpls ip
mpls ip
■R3
conf t
ip cef
int fa0/0
mpls ip
mpls ip
- Vefiry mpls neighborship
R1#sh mpls ldp nei
Peer LDP Ident: 3.3.3.3:0; Local LDP Ident 1.1.1.1:0
TCP connection: 3.3.3.3.25228 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 203/204; Downstream
Up time: 02:44:56
LDP discovery sources:
FastEthernet1/0, Src IP addr: 192.168.13.2
Addresses bound to peer LDP Ident:
192.168.13.2 3.3.3.3
Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0
TCP connection: 2.2.2.2.62305 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 8/8; Downstream
Up time: 00:00:48
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.12.2
Addresses bound to peer LDP Ident:
192.168.12.2 2.2.2.2
R2#sh mpls ldp nei
Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 2.2.2.2:0
TCP connection: 1.1.1.1.646 - 2.2.2.2.62305
State: Oper; Msgs sent/rcvd: 8/8; Downstream
Up time: 00:00:27
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.12.1
Addresses bound to peer LDP Ident:
R3#sh mpls ldp nei
Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 3.3.3.3:0
TCP connection: 1.1.1.1.646 - 3.3.3.3.25228
State: Oper; Msgs sent/rcvd: 204/203; Downstream
Up time: 02:44:44
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.13.1
Addresses bound to peer LDP Ident:
192.168.12.1 192.168.13.1 1.1.1.1
Peer LDP Ident: 3.3.3.3:0; Local LDP Ident 1.1.1.1:0
TCP connection: 3.3.3.3.25228 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 203/204; Downstream
Up time: 02:44:56
LDP discovery sources:
FastEthernet1/0, Src IP addr: 192.168.13.2
Addresses bound to peer LDP Ident:
192.168.13.2 3.3.3.3
Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0
TCP connection: 2.2.2.2.62305 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 8/8; Downstream
Up time: 00:00:48
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.12.2
Addresses bound to peer LDP Ident:
192.168.12.2 2.2.2.2
R2#sh mpls ldp nei
Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 2.2.2.2:0
TCP connection: 1.1.1.1.646 - 2.2.2.2.62305
State: Oper; Msgs sent/rcvd: 8/8; Downstream
Up time: 00:00:27
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.12.1
Addresses bound to peer LDP Ident:
R3#sh mpls ldp nei
Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 3.3.3.3:0
TCP connection: 1.1.1.1.646 - 3.3.3.3.25228
State: Oper; Msgs sent/rcvd: 204/203; Downstream
Up time: 02:44:44
LDP discovery sources:
FastEthernet0/0, Src IP addr: 192.168.13.1
Addresses bound to peer LDP Ident:
192.168.12.1 192.168.13.1 1.1.1.1
※If you don't advertise loopbacks into ospf neighborship will not form on mpls.
VRF CONFIGURATION ON PEs(Provider Edge routers)
■R2
!Defining a VRF and the routes to import and export
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
!Setting interfaces belonging to the vrf
interface FastEthernet1/0
ip vrf forwarding OSPF
ip address 192.168.0.1 255.255.255.0
ip address 192.168.0.1 255.255.255.0
no shut
!Setting the ospf process for the VRF
router ospf 2 vrf OSPF
network 192.168.0.0 0.0.0.255 area 0
router ospf 2 vrf OSPF
network 192.168.0.0 0.0.0.255 area 0
■R3
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
rd 1:1
route-target export 1:1
route-target import 1:1
interface FastEthernet1/0
ip vrf forwarding OSPF
ip address 192.168.1.1 255.255.255.0
ip vrf forwarding OSPF
ip address 192.168.1.1 255.255.255.0
no shut
router ospf 2 vrf OSPF
network 192.168.1.0 0.0.0.255 area 0
network 192.168.1.0 0.0.0.255 area 0
OSPF CONFIGURATION ON CEs(Customer Edge routers) and verification
interface Loopback0
ip address 4.4.4.4 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.0.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
network 4.4.4.4 0.0.0.0 area 0
network 192.168.0.0 0.0.0.255 area 0
!
■R5
interface Loopback0
ip address 5.5.5.5 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 5.5.5.5
log-adjacency-changes
network 5.5.5.5 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
MP-BGP SETTING
R2#sh ip bgp vpnv4 all
BGP table version is 13, local router ID is 2.2.2.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf OSPF)
*> 4.4.4.0/24 192.168.0.2 2 32768 ?
*>i5.5.5.0/24 3.3.3.3 2 100 0 ?
*> 192.168.0.0 0.0.0.0 0 32768 ?
*>i192.168.1.0 3.3.3.3 0 100 0 ?
------
R3#sh ip bgp vp
R3#sh ip bgp vpnv4 all
BGP table version is 13, local router ID is 3.3.3.3
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf OSPF)
*>i4.4.4.0/24 2.2.2.2 2 100 0 ?
*> 5.5.5.0/24 192.168.1.2 2 32768 ?
*>i192.168.0.0 2.2.2.2 0 100 0 ?
*> 192.168.1.0 0.0.0.0 0 32768 ?
R3#
-----------
R4#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
4.0.0.0/24 is subnetted, 1 subnets
C 4.4.4.0 is directly connected, Loopback0
5.0.0.0/24 is subnetted, 1 subnets
O IA 5.5.5.0 [110/3] via 192.168.0.1, 01:14:16, FastEthernet0/0
C 192.168.0.0/24 is directly connected, FastEthernet0/0
O IA 192.168.1.0/24 [110/2] via 192.168.0.1, 01:14:16, FastEthernet0/0
R4#
R4#ping 5.5.5.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 144/293/456 ms
R4#
-------------
R5#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
4.0.0.0/24 is subnetted, 1 subnets
O IA 4.4.4.0 [110/3] via 192.168.1.1, 01:14:03, FastEthernet0/0
5.0.0.0/24 is subnetted, 1 subnets
C 5.5.5.0 is directly connected, Loopback0
O IA 192.168.0.0/24 [110/2] via 192.168.1.1, 01:14:03, FastEthernet0/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R5#
R5#ping 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 64/157/236 ms
R5#
■R4
interface Loopback0
ip address 4.4.4.4 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.0.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
network 4.4.4.4 0.0.0.0 area 0
network 192.168.0.0 0.0.0.255 area 0
!
■R5
interface Loopback0
ip address 5.5.5.5 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 5.5.5.5
log-adjacency-changes
network 5.5.5.5 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
- Verify ospf neighborship
R2#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/DR 00:00:39 192.168.12.1 FastEthernet0/0
4.4.4.4 1 FULL/BDR 00:00:30 192.168.0.2 FastEthernet1/0
R2#
------
R3#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/BDR 00:00:34 192.168.13.1 FastEthernet0/0
5.5.5.5 1 FULL/BDR 00:00:30 192.168.1.2 FastEthernet1/0
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/DR 00:00:39 192.168.12.1 FastEthernet0/0
4.4.4.4 1 FULL/BDR 00:00:30 192.168.0.2 FastEthernet1/0
R2#
------
R3#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
1.1.1.1 1 FULL/BDR 00:00:34 192.168.13.1 FastEthernet0/0
5.5.5.5 1 FULL/BDR 00:00:30 192.168.1.2 FastEthernet1/0
- let's to ping from the PEs
R2#ping vrf OSPF 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 36/96/212 ms
R2#
-----------------
R3#ping vrf OSPF 5.5.5.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 48/150/212 ms
R3#
-----------------------
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 36/96/212 ms
R2#
-----------------
R3#ping vrf OSPF 5.5.5.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 48/150/212 ms
R3#
-----------------------
■R2
- let's redistribute bgp into ospf
router ospf 2 vrf OSPF
log-adjacency-changes
redistribute bgp 1 subnets
log-adjacency-changes
redistribute bgp 1 subnets
- let's configure mp-bgp (includes redistribution of ospf into bgp)
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 1
neighbor 3.3.3.3 update-source Loopback0
no auto-summary
!
! defining the VPN peer
address-family vpnv4
neighbor 3.3.3.3 activate
neighbor 3.3.3.3 send-community both
exit-address-family
!
! Redistributing the vrf ospf process into BGP
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
no synchronization
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 1
neighbor 3.3.3.3 update-source Loopback0
no auto-summary
!
! defining the VPN peer
address-family vpnv4
neighbor 3.3.3.3 activate
neighbor 3.3.3.3 send-community both
exit-address-family
!
! Redistributing the vrf ospf process into BGP
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
■R3
- let's redistribute bgp into ospf
router ospf 2 vrf OSPF
log-adjacency-changes
redistribute bgp 1 subnets
log-adjacency-changes
redistribute bgp 1 subnets
- let's configure mp-bgp (includes redistribution of ospf into bgp)
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 2.2.2.2 remote-as 1
neighbor 2.2.2.2 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 2.2.2.2 activate
neighbor 2.2.2.2 send-community both
exit-address-family
!
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
no synchronization
bgp log-neighbor-changes
neighbor 2.2.2.2 remote-as 1
neighbor 2.2.2.2 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 2.2.2.2 activate
neighbor 2.2.2.2 send-community both
exit-address-family
!
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
- vefication
R2#sh ip bgp vpnv4 all
BGP table version is 13, local router ID is 2.2.2.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf OSPF)
*> 4.4.4.0/24 192.168.0.2 2 32768 ?
*>i5.5.5.0/24 3.3.3.3 2 100 0 ?
*> 192.168.0.0 0.0.0.0 0 32768 ?
*>i192.168.1.0 3.3.3.3 0 100 0 ?
------
R3#sh ip bgp vp
R3#sh ip bgp vpnv4 all
BGP table version is 13, local router ID is 3.3.3.3
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf OSPF)
*>i4.4.4.0/24 2.2.2.2 2 100 0 ?
*> 5.5.5.0/24 192.168.1.2 2 32768 ?
*>i192.168.0.0 2.2.2.2 0 100 0 ?
*> 192.168.1.0 0.0.0.0 0 32768 ?
R3#
-----------
R4#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
4.0.0.0/24 is subnetted, 1 subnets
C 4.4.4.0 is directly connected, Loopback0
5.0.0.0/24 is subnetted, 1 subnets
O IA 5.5.5.0 [110/3] via 192.168.0.1, 01:14:16, FastEthernet0/0
C 192.168.0.0/24 is directly connected, FastEthernet0/0
O IA 192.168.1.0/24 [110/2] via 192.168.0.1, 01:14:16, FastEthernet0/0
R4#
R4#ping 5.5.5.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 144/293/456 ms
R4#
-------------
R5#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
4.0.0.0/24 is subnetted, 1 subnets
O IA 4.4.4.0 [110/3] via 192.168.1.1, 01:14:03, FastEthernet0/0
5.0.0.0/24 is subnetted, 1 subnets
C 5.5.5.0 is directly connected, Loopback0
O IA 192.168.0.0/24 [110/2] via 192.168.1.1, 01:14:03, FastEthernet0/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R5#
R5#ping 4.4.4.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 64/157/236 ms
R5#
@@@@@@ COMPLETE CONFIG OF ALL ROUTERS @@@@@@@
■■■■■■■■■R1■■■■■■■■
R1#sh run
Building configuration...
Current configuration : 1032 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip address 192.168.13.1 255.255.255.0
duplex auto
speed auto
mpls ip
!
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
network 1.1.1.1 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Building configuration...
Current configuration : 1032 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip address 192.168.13.1 255.255.255.0
duplex auto
speed auto
mpls ip
!
router ospf 1
router-id 1.1.1.1
log-adjacency-changes
network 1.1.1.1 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
■■■■■■■■■R2■■■■■■■■
R2#sh run
Building configuration...
Current configuration : 1562 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip vrf forwarding OSPF
ip address 192.168.0.1 255.255.255.0
duplex auto
speed auto
!
router ospf 2 vrf OSPF
log-adjacency-changes
redistribute bgp 1 subnets
network 192.168.0.0 0.0.0.255 area 0
!
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
network 2.2.2.2 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
!
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 1
neighbor 3.3.3.3 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 3.3.3.3 activate
neighbor 3.3.3.3 send-community both
exit-address-family
!
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
!
no ip http server
no ip http secure-server
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Building configuration...
Current configuration : 1562 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip vrf forwarding OSPF
ip address 192.168.0.1 255.255.255.0
duplex auto
speed auto
!
router ospf 2 vrf OSPF
log-adjacency-changes
redistribute bgp 1 subnets
network 192.168.0.0 0.0.0.255 area 0
!
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
network 2.2.2.2 0.0.0.0 area 0
network 192.168.12.0 0.0.0.255 area 0
!
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 1
neighbor 3.3.3.3 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 3.3.3.3 activate
neighbor 3.3.3.3 send-community both
exit-address-family
!
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
!
no ip http server
no ip http secure-server
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
■■■■■■■■■R3■■■■■■■■
Building configuration...
Current configuration : 1543 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
!
interface Loopback0
ip address 3.3.3.3 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.13.2 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip vrf forwarding OSPF
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
!
router ospf 2 vrf OSPF
log-adjacency-changes
redistribute bgp 1 subnets
network 192.168.1.0 0.0.0.255 area 0
!
router ospf 1
log-adjacency-changes
network 3.3.3.3 0.0.0.0 area 0
network 192.168.13.0 0.0.0.255 area 0
!
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 2.2.2.2 remote-as 1
neighbor 2.2.2.2 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 2.2.2.2 activate
neighbor 2.2.2.2 send-community both
exit-address-family
!
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
!
no ip http server
no ip http secure-server
!
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Current configuration : 1543 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip vrf OSPF
rd 1:1
route-target export 1:1
route-target import 1:1
!
interface Loopback0
ip address 3.3.3.3 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.13.2 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet1/0
ip vrf forwarding OSPF
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
!
router ospf 2 vrf OSPF
log-adjacency-changes
redistribute bgp 1 subnets
network 192.168.1.0 0.0.0.255 area 0
!
router ospf 1
log-adjacency-changes
network 3.3.3.3 0.0.0.0 area 0
network 192.168.13.0 0.0.0.255 area 0
!
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 2.2.2.2 remote-as 1
neighbor 2.2.2.2 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 2.2.2.2 activate
neighbor 2.2.2.2 send-community both
exit-address-family
!
address-family ipv4 vrf OSPF
redistribute ospf 2 vrf OSPF
no synchronization
exit-address-family
!
no ip http server
no ip http secure-server
!
!
control-plane
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
■■■■■■■■■R4■■■■■■■■
R4#sh run
Building configuration...
Current configuration : 881 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.0.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
network 4.4.4.4 0.0.0.0 area 0
network 192.168.0.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Building configuration...
Current configuration : 881 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.0.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 4.4.4.4
log-adjacency-changes
network 4.4.4.4 0.0.0.0 area 0
network 192.168.0.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
■■■■■■■R5■■■■■■■■
Building configuration...
Current configuration : 881 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
!
interface Loopback0
ip address 5.5.5.5 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 5.5.5.5
log-adjacency-changes
network 5.5.5.5 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
!
control-plane
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Current configuration : 881 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
!
interface Loopback0
ip address 5.5.5.5 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip address 192.168.1.2 255.255.255.0
duplex auto
speed auto
!
router ospf 1
router-id 5.5.5.5
log-adjacency-changes
network 5.5.5.5 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
!
control-plane
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
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