VRFlite configuration example

PC1:-

PC1> show ip

NAME        : PC1[1]

IP/MASK     : 10.1.1.10/24

GATEWAY     : 10.1.1.1

DNS         :

MAC         : 00:50:79:66:68:00

LPORT       : 10000

RHOST:PORT  : 192.168.56.1:10001

MTU:        : 1500

Verification:-

PC1> ping 10.1.1.1

84 bytes from 10.1.1.1 icmp_seq=1 ttl=255 time=46.746 ms

84 bytes from 10.1.1.1 icmp_seq=2 ttl=255 time=47.038 ms

84 bytes from 10.1.1.1 icmp_seq=3 ttl=255 time=37.015 ms

84 bytes from 10.1.1.1 icmp_seq=4 ttl=255 time=47.171 ms

84 bytes from 10.1.1.1 icmp_seq=5 ttl=255 time=47.015 ms

PC1> ping 12.12.12.1

84 bytes from 12.12.12.1 icmp_seq=1 ttl=255 time=55.690 ms

84 bytes from 12.12.12.1 icmp_seq=2 ttl=255 time=49.691 ms

84 bytes from 12.12.12.1 icmp_seq=3 ttl=255 time=48.370 ms

84 bytes from 12.12.12.1 icmp_seq=4 ttl=255 time=56.310 ms

84 bytes from 12.12.12.1 icmp_seq=5 ttl=255 time=47.085 ms

PC1> ping 12.12.12.2

84 bytes from 12.12.12.2 icmp_seq=1 ttl=254 time=87.149 ms

84 bytes from 12.12.12.2 icmp_seq=2 ttl=254 time=93.756 ms

84 bytes from 12.12.12.2 icmp_seq=3 ttl=254 time=93.756 ms

84 bytes from 12.12.12.2 icmp_seq=4 ttl=254 time=78.428 ms

84 bytes from 12.12.12.2 icmp_seq=5 ttl=254 time=93.904 ms

PC1> ping 100.1.1.1

84 bytes from 100.1.1.1 icmp_seq=1 ttl=254 time=93.761 ms

84 bytes from 100.1.1.1 icmp_seq=2 ttl=254 time=94.341 ms

84 bytes from 100.1.1.1 icmp_seq=3 ttl=254 time=78.159 ms

84 bytes from 100.1.1.1 icmp_seq=4 ttl=254 time=77.972 ms

84 bytes from 100.1.1.1 icmp_seq=5 ttl=254 time=93.908 ms

PC1> ping 100.1.1.10

100.1.1.10 icmp_seq=1 timeout

100.1.1.10 icmp_seq=2 timeout

84 bytes from 100.1.1.10 icmp_seq=3 ttl=62 time=62.595 ms

84 bytes from 100.1.1.10 icmp_seq=4 ttl=62 time=62.613 ms

84 bytes from 100.1.1.10 icmp_seq=5 ttl=62 time=62.560 ms

PC2:-

C2> show ip

NAME        : PC2[1]

IP/MASK     : 20.1.1.10/24

GATEWAY     : 20.1.1.1

DNS         :

MAC         : 00:50:79:66:68:01

LPORT       : 10002

RHOST:PORT  : 192.168.56.1:10003

MTU:        : 1500

Verification:-

PC2> ping 200.1.1.10

200.1.1.10 icmp_seq=1 timeout

200.1.1.10 icmp_seq=2 timeout

84 bytes from 200.1.1.10 icmp_seq=3 ttl=62 time=62.585 ms

84 bytes from 200.1.1.10 icmp_seq=4 ttl=62 time=62.783 ms

84 bytes from 200.1.1.10 icmp_seq=5 ttl=62 time=62.385 ms

R1:-

ip vrf cust1

ip vrf cust2

interface FastEthernet0/0

 ip vrf forwarding cust1

 ip address 10.1.1.1 255.255.255.0

 speed auto

 duplex auto

!

interface FastEthernet0/1

 ip vrf forwarding cust2

 ip address 20.1.1.1 255.255.255.0

 speed auto

 duplex auto

interface FastEthernet1/0.10

 encapsulation dot1Q 10

 ip vrf forwarding cust1

 ip address 12.12.12.1 255.255.255.0

interface FastEthernet1/0.20

 encapsulation dot1Q 20

 ip vrf forwarding cust2

 ip address 112.112.112.1 255.255.255.0

ip route vrf cust1 0.0.0.0 0.0.0.0 12.12.12.2

ip route vrf cust2 0.0.0.0 0.0.0.0 112.112.112.2

Verification:-

R1#sh ip vrf

  Name                             Default RD          Interfaces

  cust1                            <not set>           Fa0/0

                                                       Fa1/0.10

  cust2                            <not set>           Fa0/1

                                                       Fa1/0.20

R1#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 12.12.12.2 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 12.12.12.2

      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, FastEthernet1/0.10

L        12.12.12.1/32 is directly connected, FastEthernet1/0.10

R1#ping vrf cust1 10.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/7/8 ms

R1#ping vrf cust1 10.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/48/64 ms

R1#ping vrf cust1 100.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 100.1.1.10, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 84/342/1104 ms

R1#show ip route vrf cust2

Routing Table: cust2

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 112.112.112.2 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 112.112.112.2

      20.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C        20.1.1.0/24 is directly connected, FastEthernet0/1

L        20.1.1.1/32 is directly connected, FastEthernet0/1

      112.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C        112.112.112.0/24 is directly connected, FastEthernet1/0.20

L        112.112.112.1/32 is directly connected, FastEthernet1/0.20

R1#ping vrf cust2 20.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 20.1.1.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/52/156 ms

R1#ping vrf cust2 200.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 200.1.1.10, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 92/350/1112 ms

R1#

PC3:-

PC3> show ip

NAME        : PC3[1]

IP/MASK     : 100.1.1.10/24

GATEWAY     : 100.1.1.1

DNS         :

MAC         : 00:50:79:66:68:02

LPORT       : 10005

RHOST:PORT  : 192.168.56.1:10004

MTU:        : 1500

Verification:-

PC3> ping 10.1.1.10

10.1.1.10 icmp_seq=1 timeout

10.1.1.10 icmp_seq=2 timeout

84 bytes from 10.1.1.10 icmp_seq=3 ttl=62 time=62.635 ms

84 bytes from 10.1.1.10 icmp_seq=4 ttl=62 time=62.703 ms

84 bytes from 10.1.1.10 icmp_seq=5 ttl=62 time=79.737 ms

PC4:-

PC4> show ip

NAME        : PC4[1]

IP/MASK     : 200.1.1.10/24

GATEWAY     : 200.1.1.1

DNS         :

MAC         : 00:50:79:66:68:03

LPORT       : 10007

RHOST:PORT  : 192.168.56.1:10006

MTU:        : 1500

Verification:-

PC4> ping 20.1.1.10

20.1.1.10 icmp_seq=1 timeout

20.1.1.10 icmp_seq=2 timeout

84 bytes from 20.1.1.10 icmp_seq=3 ttl=62 time=62.470 ms

84 bytes from 20.1.1.10 icmp_seq=4 ttl=62 time=46.973 ms

84 bytes from 20.1.1.10 icmp_seq=5 ttl=62 time=62.796 ms

R2:-

ip vrf cust1

ip vrf cust2

interface FastEthernet0/0

 ip vrf forwarding cust1

 ip address 100.1.1.1 255.255.255.0

 speed auto

 duplex auto

interface FastEthernet0/1

 ip vrf forwarding cust2

 ip address 200.1.1.1 255.255.255.0

 speed auto

 duplex auto

interface FastEthernet1/0.10

 encapsulation dot1Q 10

 ip vrf forwarding cust1

 ip address 12.12.12.2 255.255.255.0

interface FastEthernet1/0.20

 encapsulation dot1Q 20

 ip vrf forwarding cust2

 ip address 112.112.112.2 255.255.255.0

ip route vrf cust1 0.0.0.0 0.0.0.0 12.12.12.1

ip route vrf cust2 0.0.0.0 0.0.0.0 112.112.112.1

Verification:-

R2#sh ip vrf

  Name                             Default RD          Interfaces

  cust1                            <not set>           Fa0/0

                                                       Fa1/0.10

  cust12                           <not set>

  cust2                            <not set>           Fa0/1

                                                       Fa1/0.20

R2#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 12.12.12.1 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 12.12.12.1

      12.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C        12.12.12.0/24 is directly connected, FastEthernet1/0.10

L        12.12.12.2/32 is directly connected, FastEthernet1/0.10

      100.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C        100.1.1.0/24 is directly connected, FastEthernet0/0

L        100.1.1.1/32 is directly connected, FastEthernet0/0

R2#ping vrf cust1 10.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.10, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 84/355/1136 ms

R2#ping vrf cust1 100.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 100.1.1.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/56/180 ms

R2#sh ip route vrf cust2

Routing Table: cust2

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 112.112.112.1 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 112.112.112.1

      112.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C        112.112.112.0/24 is directly connected, FastEthernet1/0.20

L        112.112.112.2/32 is directly connected, FastEthernet1/0.20

      200.1.1.0/24 is variably subnetted, 2 subnets, 2 masks

C        200.1.1.0/24 is directly connected, FastEthernet0/1

L        200.1.1.1/32 is directly connected, FastEthernet0/1

R2#ping vrf cust2 20.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 20.1.1.10, timeout is 2 seconds:

.!!!!

Success rate is 80 percent (4/5), round-trip min/avg/max = 92/352/1116 ms

R2#ping vrf cust2 200.1.1.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 200.1.1.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/52/100 ms