PC1:-
PC1> ip 10.1.1.10
255.255.255.0 10.1.1.1
Checking for duplicate
address...
PC1 : 10.1.1.10 255.255.255.0
gateway 10.1.1.1
R1:-
R1(config)#int fa0/0
R1(config-if)#ip add 10.1.1.1
255.255.255.0
R1(config-if)#no shut
R1(config-if)#int fa2/0
R1(config-if)#ip add
12.12.12.1 255.255.255.0
R1(config-if)#no shut
R1(config-if)#int lo0
R1(config-if)#ip add 1.1.1.1
255.255.255.255
R1(config)#router ospf 1
R1(config-router)#
log-adjacency-changes
R1(config-router)# network
1.1.1.1 0.0.0.0 area 0
R1(config-router)# network
10.1.1.1 0.0.0.0 area 0
R1(config-router)# network
12.12.12.1 0.0.0.0 area 0
R2:-
R2(config)#ip vrf cust1
R2(config-vrf)#rd 100:1
R2(config-vrf)#route-target
200:1
R2(config-vrf)#int fa2/0
R2(config-if)#ip vrf for cust1
R2(config-if)#ip add
12.12.12.2 255.255.255.0
R2(config-if)#no shut
R2(config-if)#int fa0/0
R2(config-if)#ip add
23.23.23.2 255.255.255.0
R2(config-if)#mpls ip
R2(config-if)#no shut
R2(config-if)#int lo0
R2(config-if)#ip add 2.2.2.2
255.255.255.255
R2(config-if)#mpls ldp router
lo0 force
R2(config)#router ospf 1
R2(config-router)#router-id
2.2.2.2
R2(config-router)#net
23.23.23.2 0.0.0.0 are
R2(config-router)#net
23.23.23.2 0.0.0.0 area 0
R2(config-router)#network
2.2.2.2 0.0.0.0 area 0
R2(config-if)#router bgp 1
R2(config-router)#neighbor
4.4.4.4 remote-as 1
R2(config-router)#neighbor
4.4.4.4 update-source lo0
R2(config-router)#address-family
vpnv4
R2(config-router-af)#neighbor
4.4.4.4 activate
R2(config-router-af)#exit
R2(config-router)#address-family
ipv4 vrf cust1
R2(config-router-af)#redistribute
ospf 100 vrf cust1 metric 10 --<<
metric set here, will be used at remote end while redistributing bgp route to
ospf
R2(config-router-af)#exit
R2(config-router)#router ospf
100 vrf cust1
R2(config-router)#
redistribute bgp 1 subnets
R2(config-router)# network
12.12.12.2 0.0.0.0 area 0
R2(config-router)#domain-id 2.2.2.2
R3:-
R3(config)#int lo0
R3(config-if)#ip add 3.3.3.3
255.255.255.255
R3(config-if)#exit
R3(config)#mpls ldp router lo0
force
R3(config)#int fa0/0
R3(config-if)#ip add
23.23.23.3 255.255.255.0
R3(config-if)#mpls ip
R3(config-if)#no shut
R3(config-if)#int fa1/0
R3(config-if)#ip add
34.34.34.3 255.255.255.0
R3(config-if)#mpls ip
R3(config-if)#no shut
R3(config-if)#router ospf 1
R3(config-router)#router-id
3.3.3.3
R3(config-router)#net
23.23.23.3 0.0.0.0 area 0
R3(config-router)#net
34.34.34.3 0.0.0.0 are 0
R3(config-router)#net 3.3.3.3
0.0.0.0 area 0
R3(config-router)#exit
R4:-
R4(config)#int lo0
R4(config-if)#ip add 4.4.4.4
255.255.255.255
R4(config-if)#int fa1/0
R4(config-if)#ip add
34.34.34.4 255.255.255.0
R4(config-if)#mpls ip
R4(config-if)#no shut
R4(config-if)#exit
R4(config)#mpls ldp router lo0
force
R4(config)#ip vrf cust1
R4(config-vrf)#rd 1:1
R4(config-vrf)#route-target
200:1
R4(config-vrf)#exit
R4(config)#int fa2/0
R4(config-if)#ip vrf for cust1
R4(config-if)#ip add
45.45.45.4 255.255.255.0
R4(config-if)#no shut
R4(config-if)#router ospf 1
R4(config-router)#router-id
4.4.4.4
R4(config-router)#net
34.34.34.4 0.0.0.0 area 0
R4(config-router)#network
4.4.4.4 0.0.0.0 area 0
R4(config)#router bgp 1
R4(config-router)#neighbor
2.2.2.2 remote-as 1
R4(config-router)#neighbor
2.2.2.2 update-source lo0
R4(config-router)#address-family
vpnv4
R4(config-router-af)#neighbor
2.2.2.2 activate
R4(config-router-af)#addres
ipv4 vrf cust1
R4(config-router-af)#
redistribute ospf 100 vrf cust1
R4(config-router-af)#exit
R4(config-router)#exit
R4(config-router-af)#router
ospf 100 vrf cust1
R4(config-router)#net
45.45.45.4 0.0.0.0 area 0
R4(config-router)#domain-id 4.4.4.4
R5:-
R5(config)#int lo0
R5(config-if)#ip add 5.5.5.5
255.255.255.255
R5(config-if)#int fa2/0
R5(config-if)#ip add
45.45.45.5 255.255.255.0
R5(config-if)#no shut
R5(config)#int fa0/0
R5(config-if)#ip add 20.1.1.1
255.255.255.0
R5(config-if)#no shut
R5(config)#router ospf 1
R5(config-router)#net 5.5.5.5
0.0.0.0 area 0
R5(config-router)#net
45.45.45.5 0.0.0.0 area 0
R5(config-router)#net
20.1.1.1 0.0.0.0 area 0
Verification:-
PC1:-
PC1> ping 20.1.1.10
84 bytes from 20.1.1.10
icmp_seq=1 ttl=59 time=368.619 ms
84 bytes from 20.1.1.10
icmp_seq=2 ttl=59 time=347.316 ms
84 bytes from 20.1.1.10
icmp_seq=3 ttl=59 time=368.788 ms
84 bytes from 20.1.1.10
icmp_seq=4 ttl=59 time=416.798 ms
84 bytes from 20.1.1.10
icmp_seq=5 ttl=59 time=379.615 ms
PC1> trace 20.1.1.10
trace to 20.1.1.10, 8 hops
max, press Ctrl+C to stop
1
10.1.1.1 98.128 ms 32.396 ms 38.933 ms
2
12.12.12.2 193.647 ms 120.998 ms 111.703 ms
3
23.23.23.3 309.530 ms 294.889 ms 276.499 ms
4
45.45.45.4 289.342 ms 309.988 ms 292.062 ms
5
45.45.45.5 329.599 ms 272.541 ms 341.644 ms
6
*20.1.1.10 345.620 ms (ICMP type:3, code:3, Destination port
unreachable)
R1:-
R1#sh ip route
Codes: L - local, 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, H - NHRP
+ -
replicated route, % - next hop override
Gateway of last resort is not set
1.0.0.0/32 is
subnetted, 1 subnets
C 1.1.1.1 is
directly connected, Loopback0
5.0.0.0/32 is
subnetted, 1 subnets
O E2 5.5.5.5
[110/2] via 12.12.12.2, 00:01:41, FastEthernet2/0 -<<< become external routes and metric will be calculted from redistribution command.
10.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
10.1.1.0/24 is directly connected, FastEthernet0/0
L
10.1.1.1/32 is directly connected, FastEthernet0/0
12.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
12.12.12.0/24 is directly connected, FastEthernet2/0
L
12.12.12.1/32 is directly connected, FastEthernet2/0
20.0.0.0/24
is subnetted, 1 subnets
O E2 20.1.1.0
[110/2] via 12.12.12.2, 00:01:41, FastEthernet2/0 --<<<
45.0.0.0/24
is subnetted, 1 subnets
O E2 45.45.45.0
[110/1] via 12.12.12.2, 00:01:41, FastEthernet2/0 --<<
R2:-
R2#show ip ospf neighbor
Neighbor ID
Pri State Dead Time Address Interface
3.3.3.3
1 FULL/BDR 00:00:31 23.23.23.3 FastEthernet0/0
1.1.1.1
1 FULL/BDR 00:00:35 12.12.12.1 FastEthernet2/0
R2#show ip bgp vpnv4 all summary
BGP router identifier 2.2.2.2, local AS number 1
BGP table version is 37, main routing table version 37
5 network entries using 760 bytes of memory
5 path entries using 260 bytes of memory
4/4 BGP path/bestpath attribute entries using 528 bytes
of memory
4 BGP extended community entries using 160 bytes of
memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 1708 total bytes of memory
BGP activity 11/6 prefixes, 13/8 paths, scan interval 60
secs
Neighbor
V AS MsgRcvd MsgSent TblVer
InQ OutQ Up/Down State/PfxRcd
4.4.4.4
4 1 175
173 37 0
0 02:25:25 3
R2#show ip bgp vpnv4 all
BGP table version is 37, 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, m multipath, b backup-path, x best-external
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf cust1)
*>i5.5.5.5/32
4.4.4.4 2 100
0 ?
*> 10.1.1.0/24
12.12.12.1 10 32768 ?
*> 12.12.12.0/24
0.0.0.0 0 32768 ?
*>i20.1.1.0/24
4.4.4.4 2 100
0 ?
*>i45.45.45.0/24
4.4.4.4 0 100
0 ?
R2#show ip bgp vpnv4 all 5.5.5.5/32
BGP routing table entry for 1:1:5.5.5.5/32, version 36
Paths: (1 available, best #1, table cust1)
Not advertised to
any peer
Local
4.4.4.4 (metric
3) from 4.4.4.4 (4.4.4.4)
Origin
incomplete, metric 2, localpref 100, valid, internal, best
Extended
Community: RT:100:1 OSPF DOMAIN ID:0x0005:0x040404040200
OSPF
RT:0.0.0.0:2:0 OSPF ROUTER ID:45.45.45.4:0
mpls labels
in/out nolabel/21
R2#sh ip route vrf cust1
Routing Table: cust1
Codes: L - local, 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, H - NHRP
+ -
replicated route, % - next hop override
Gateway of last resort is not set
5.0.0.0/32 is
subnetted, 1 subnets
B 5.5.5.5
[200/2] via 4.4.4.4, 00:02:35
10.0.0.0/24 is subnetted, 1 subnets
O 10.1.1.0
[110/2] via 12.12.12.1, 00:31:53, FastEthernet2/0
12.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
12.12.12.0/24 is directly connected, FastEthernet2/0
L
12.12.12.2/32 is directly connected, FastEthernet2/0
20.0.0.0/24
is subnetted, 1 subnets
B 20.1.1.0
[200/2] via 4.4.4.4, 00:02:35
45.0.0.0/24
is subnetted, 1 subnets
B 45.45.45.0
[200/0] via 4.4.4.4, 00:34:17
R3:-
R3#sh ip ospf neighbor
Neighbor
ID Pri
State Dead
Time Address
Interface
4.4.4.4
1 FULL/BDR
00:00:35 34.34.34.4
FastEthernet1/0
2.2.2.2
1 FULL/DR
00:00:31 23.23.23.2
FastEthernet0/0
R3#show mpls ldp
neighbor
Peer LDP Ident: 4.4.4.4:0;
Local LDP Ident 3.3.3.3:0
TCP connection: 4.4.4.4.21070 - 3.3.3.3.646
State: Oper; Msgs sent/rcvd: 101/102; Downstream
Up time: 01:22:35
LDP discovery sources:
FastEthernet1/0, Src IP addr: 34.34.34.4
Addresses bound to peer LDP Ident:
34.34.34.4 4.4.4.4
Peer LDP
Ident: 2.2.2.2:0; Local LDP Ident 3.3.3.3:0
TCP connection: 2.2.2.2.646 - 3.3.3.3.30173
State: Oper; Msgs sent/rcvd: 102/100; Downstream
Up time: 01:22:35
LDP discovery sources:
FastEthernet0/0, Src IP addr: 23.23.23.2
Addresses bound to peer LDP Ident:
23.23.23.2 2.2.2.2
R3#show mpls ldp discovery
Local LDP Identifier:
3.3.3.3:0
Discovery
Sources:
Interfaces:
FastEthernet0/0 (ldp): xmit/recv
LDP Id: 2.2.2.2:0
FastEthernet1/0 (ldp): xmit/recv
LDP Id: 4.4.4.4:0
R3#show mpls forwarding-table
Local
Outgoing
Prefix Bytes
Label Outgoing Next Hop
Label
Label or Tunnel Id
Switched interface
16
Pop Label 4.4.4.4/32
14366 Fa1/0
34.34.34.4
17
Pop Label 2.2.2.2/32 15433
Fa0/0
23.23.23.2
R4:-
R4#show ip bgp vpnv4 all summary
BGP router identifier 4.4.4.4, local AS number 1
BGP table version is 32, main routing table version 32
5 network entries using 760 bytes of memory
5 path entries using 260 bytes of memory
4/4 BGP path/bestpath attribute entries using 528 bytes
of memory
4 BGP extended community entries using 160 bytes of
memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 1708 total bytes of memory
BGP activity 11/6 prefixes, 13/8 paths, scan interval 60
secs
Neighbor
V AS MsgRcvd
MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
2.2.2.2
4 1 176
178 32 0
0 02:27:48 2
R4#show ip bgp vpnv4 all
BGP table version is 32, local router ID is 4.4.4.4
Status codes: s suppressed, d damped, h history, * valid,
> best, i - internal,
r
RIB-failure, S Stale, m multipath, b backup-path, x best-external
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf cust1)
*> 5.5.5.5/32
45.45.45.5 2 32768 ?
*>i10.1.1.0/24
2.2.2.2 10 100
0 ?
*>i12.12.12.0/24
2.2.2.2 0 100
0 ?
*> 20.1.1.0/24
45.45.45.5 2 32768 ?
*> 45.45.45.0/24
0.0.0.0 0 32768 ?
R4#show ip route
vrf cust1
Routing Table: cust1
Codes: L - local, 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, H - NHRP
+ - replicated
route, % - next hop override
Gateway of last resort is not set
5.0.0.0/32 is
subnetted, 1 subnets
O 5.5.5.5
[110/2] via 45.45.45.5, 00:04:54, FastEthernet2/0
10.0.0.0/24
is subnetted, 1 subnets
B 10.1.1.0
[200/10] via 2.2.2.2, 00:34:09
12.0.0.0/24
is subnetted, 1 subnets
B 12.12.12.0
[200/0] via 2.2.2.2, 00:37:22
20.0.0.0/24
is subnetted, 1 subnets
O 20.1.1.0
[110/2] via 45.45.45.5, 00:04:54, FastEthernet2/0
45.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
45.45.45.0/24 is directly connected, FastEthernet2/0
L
45.45.45.4/32 is directly connected, FastEthernet2/0
R5:-
R5#sh ip route
Codes: L - local, 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, H - NHRP
+ -
replicated route, % - next hop override
Gateway of last resort is not set
5.0.0.0/32 is
subnetted, 1 subnets
C 5.5.5.5 is
directly connected, Loopback0
10.0.0.0/24
is subnetted, 1 subnets
O E2 10.1.1.0
[110/10] via 45.45.45.4, 00:00:04, FastEthernet2/0
12.0.0.0/24
is subnetted, 1 subnets
O E2 12.12.12.0
[110/1] via 45.45.45.4, 00:00:04, FastEthernet2/0
20.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
20.1.1.0/24 is directly connected, FastEthernet0/0
L
20.1.1.1/32 is directly connected, FastEthernet0/0
45.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
45.45.45.0/24 is directly connected, FastEthernet2/0
L
45.45.45.5/32 is directly connected, FastEthernet2/0
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