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-if)#router eigrp 100
R1(config-router)#eigrp router-id 1.1.1.1
R1(config-router)#net 10.1.1.1 0.0.0.0
R1(config-router)#net 12.12.12.1 0.0.0.0
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)#router eigrp 100
R2(config-router)#address-family ipv4 vrf cust1
R2(config-router-af)#net 12.12.12.2 0.0.0.0
R2(config-router-af)#autonomous 100
R2(config-router-af)#redistribute bgp 1
R2(config-router-af)#default-metric 1 1 1 1 1 -< Metric is mandatory
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 eigrp 100
R2(config-router-af)#exit
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)#router eigrp 100
R4(config-router)#address-family ipv4 vrf cust1
R4(config-router-af)#net
45.45.45.4 0.0.0.0
R4(config-router-af)#autonomous 100
R4(config-router-af)#exit
R4(config-router)#
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 eigrp 100
R4(config-router-af)#router eigrp 100
R4(config-router)#address-family ipv4 vrf cust1
R4(config-router-af)#redistribute bgp 1
R4(config-router-af)#default-metric 1 1 1 1 1
R4(config-router-af)#exit
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-if)#router eigrp 100
R5(config-router)#eigrp router-id 5.5.5.5
R5(config-router)#net 45.45.45.5 0.0.0.0
R5(config-router)#net 5.5.5.5 0.0.0.0
R5(config-router)#net 20.1.1.1 0.0.0.0
R5(config-router)#exit
R5(config)#int fa0/0
R5(config-if)#ip add 20.1.1.1 255.255.255.0
R5(config-if)#no shut
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#sh ip route
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
D 5.5.5.5
[90/158720] via 12.12.12.2, 01:22:19, FastEthernet2/0
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
D 20.1.1.0
[90/33280] via 12.12.12.2, 01:22:19, FastEthernet2/0
45.0.0.0/24
is subnetted, 1 subnets
D 45.45.45.0
[90/30720] via 12.12.12.2, 01:22:19, FastEthernet2/0
R2:-
R2#sh ip eigrp vrf cust1 neighbors
EIGRP-IPv4 Neighbors for AS(100) VRF(cust1)
H Address Interface Hold Uptime SRTT
RTO Q Seq
(sec) (ms) Cnt Num
0 12.12.12.1 Fa2/0 14 02:20:05 1311 5000
0 3
R2#sh ip bgp vpnv4 all summary
BGP router identifier 2.2.2.2, local AS number 1
BGP table version is 9, main routing table version 9
8 network entries using 1216 bytes of memory
8 path entries using 416 bytes of memory
5/5 BGP path/bestpath attribute entries using 660 bytes
of memory
5 BGP extended community entries using 1250 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 3542 total bytes of memory
BGP activity 8/0 prefixes, 8/0 paths, scan interval 60
secs
Neighbor
V AS MsgRcvd
MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
4.4.4.4
4 1 104
103 9 0
0 01:27:35 3
R2#show ip bgp summary
BGP router identifier 2.2.2.2, local AS number 1
BGP table version is 1, main routing table version 1
Neighbor
V AS MsgRcvd
MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
4.4.4.4
4 1 104
103 1 0
0 01:27:38 0
R2#sh ip bgp vpnv4 vrf cust1 20.1.1.0/24
Paths: (1 available, best #1, table cust1)
Not advertised to
any peer
Local, imported
path from 1:1:20.1.1.0/24
4.4.4.4 (metric
3) from 4.4.4.4 (4.4.4.4)
Origin
incomplete, metric 30720, localpref 100, valid, internal, best
Extended
Community: RT:200:1 Cost:pre-bestpath:128:30720 0x8800:32768:0
0x8801:100:5120 0x8802:65281:25600 0x8803:65281:1500 0x8806:0:84215045
mpls labels
in/out nolabel/18
R2#sh ip bgp vpnv4 vrf cust1
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:1 (default for vrf cust1)
*>i5.5.5.5/32
4.4.4.4 156160 100
0 ?
*> 10.1.1.0/24
12.12.12.1 30720 32768 ?
*> 12.12.12.0/24
0.0.0.0 0 32768 ?
*>i20.1.1.0/24
4.4.4.4 30720 100
0 ?
*>i45.45.45.0/24
4.4.4.4 0 100
0 ?
R2#sh ip route vrf cust1
5.0.0.0/32 is
subnetted, 1 subnets
B 5.5.5.5
[200/156160] via 4.4.4.4, 01:30:23 -< metric is copied from ospf
10.0.0.0/24
is subnetted, 1 subnets
D 10.1.1.0
[90/30720] via 12.12.12.1, 02:23:02, 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
[200/30720] via 4.4.4.4, 01:30:23
45.0.0.0/24
is subnetted, 1 subnets
B 45.45.45.0
[200/0] via 4.4.4.4, 01:30:23
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
[200/156160] via 4.4.4.4, 01:30:23
10.0.0.0/24
is subnetted, 1 subnets
D 10.1.1.0
[90/30720] via 12.12.12.1, 02:23:02, 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
[200/30720] via 4.4.4.4, 01:30:23
45.0.0.0/24
is subnetted, 1 subnets
B 45.45.45.0
[200/0] via 4.4.4.4, 01:30:23
R2# 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
2.0.0.0/32 is
subnetted, 1 subnets
C 2.2.2.2 is
directly connected, Loopback0
3.0.0.0/32 is
subnetted, 1 subnets
O 3.3.3.3
[110/2] via 23.23.23.3, 01:22:03, FastEthernet0/0
4.0.0.0/32 is
subnetted, 1 subnets
O 4.4.4.4
[110/3] via 23.23.23.3, 01:34:12, FastEthernet0/0
23.0.0.0/8 is
variably subnetted, 2 subnets, 2 masks
C
23.23.23.0/24 is directly connected, FastEthernet0/0
L
23.23.23.2/32 is directly connected, FastEthernet0/0
34.0.0.0/24
is subnetted, 1 subnets
O 34.34.34.0
[110/2] via 23.23.23.3, 02:22:13, FastEthernet0/0
R2#sh ip ospf neighbor
Neighbor ID
Pri State Dead Time Address Interface
3.3.3.3
1 FULL/BDR 00:00:33 23.23.23.3 FastEthernet0/0
R2#show mpls forwarding-table
Label
Label or Tunnel Id Switched interface
16 Pop
Label 34.34.34.0/24 0 Fa0/0 23.23.23.3
17 No
Label 10.1.1.0/24[V] 3414
Fa2/0 12.12.12.1
18 No
Label 12.12.12.0/24[V] 0 aggregate/cust1
19 16 4.4.4.4/32 0 Fa0/0 23.23.23.3
20 Pop
Label 3.3.3.3/32 0 Fa0/0 23.23.23.3
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 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
D 5.5.5.5
[90/156160] via 45.45.45.5, 02:02:27, FastEthernet2/0 -< metric is not changed throughout MPLS cloud. It means MPLS cloud do not add metric
10.0.0.0/24
is subnetted, 1 subnets
B 10.1.1.0
[200/30720] via 2.2.2.2, 01:34:24
12.0.0.0/24
is subnetted, 1 subnets
B 12.12.12.0
[200/0] via 2.2.2.2, 01:34:24
20.0.0.0/24
is subnetted, 1 subnets
D 20.1.1.0
[90/30720] via 45.45.45.5, 01:56:05, 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
R4#show ip bgp vpnv4 vrf cust1
BGP table version is 8, 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 156160 32768 ?
*>i10.1.1.0/24
2.2.2.2 30720 100
0 ?
*>i12.12.12.0/24
2.2.2.2 0 100
0 ?
*> 20.1.1.0/24
45.45.45.5 30720 32768 ?
*> 45.45.45.0/24
0.0.0.0 0 32768 ?
R4#show ip bgp vpnv4 vrf cust1 10.1.1.0/24
BGP routing table entry for 1:1:10.1.1.0/24, version 7
Paths: (1 available, best #1, table cust1)
Not advertised to
any peer
Local, imported
path from 100:1:10.1.1.0/24
2.2.2.2 (metric
3) from 2.2.2.2 (2.2.2.2)
Origin incomplete, metric 30720, localpref
100, valid, internal, best
Extended
Community: RT:200:1 Cost:pre-bestpath:128:30720 0x8800:32768:0
0x8801:100:5120 0x8802:65281:25600 0x8803:65281:1500 0x8806:0:16843009
mpls labels
in/out nolabel/17
R4#sh ip eigrp vrf cust1 neighbors
EIGRP-IPv4 Neighbors for AS(100) VRF(cust1)
H Address Interface Hold Uptime SRTT
RTO Q Seq
(sec) (ms) Cnt Num
0 45.45.45.5 Fa2/0 14 02:04:28 362 2172 0 5
R5:-
R5(config-router)#do 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
D 10.1.1.0
[90/33280] via 45.45.45.4, 00:01:12, FastEthernet2/0 --<< remain internal routes as AS is same on both PE
12.0.0.0/24
is subnetted, 1 subnets
D 12.12.12.0
[90/30720] via 45.45.45.4, 00:01:12, 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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