Vrf Lab

Customer1-Site-A(config)#interface loopback 0
Customer1-Site-A(config-if)#ip add 1.1.1.1 255.255.255.255
Customer1-Site-A#conf t
Customer1-Site-A(config)#interface fastEthernet 0/0
Customer1-Site-A(config-if)#ip add 10.10.10.1 255.255.255.252

*Jan 29 07:47:46.035: %SYS-5-CONFIG_I: Configured from console by console
Customer1-Site-A#sh ip int brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            10.10.10.1      YES manual up                    up  
FastEthernet2/0            unassigned      YES unset  administratively down down
GigabitEthernet3/0         unassigned      YES unset  administratively down down
FastEthernet4/0            unassigned      YES unset  administratively down down
Serial5/0                  unassigned      YES unset  administratively down down
Serial5/1                  unassigned      YES unset  administratively down down
Serial5/2                  unassigned      YES unset  administratively down down
Serial5/3                  unassigned      YES unset  administratively down down
FastEthernet6/0            unassigned      YES unset  administratively down down
FastEthernet6/1            unassigned      YES unset  administratively down down
Loopback0                  1.1.1.1         YES manual up                    up  
Customer1-Site-A#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, l - LISP
       a - application route
       + - 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
      10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        10.10.10.0/30 is directly connected, FastEthernet0/0
L        10.10.10.1/32 is directly connected, FastEthernet0/0

Customer1-Site-A#conf t
Customer1-Site-A(config)#router eigrp 100
Customer1-Site-A(config-router)#network 1.1.1.1 0.0.0.0
Customer1-Site-A(config-router)#network 10.10.10.0 0.0.0.3
Customer1-Site-A(config-router)#no auto-summary
Customer1-Site-A(config-router)#exit


Customer1-SiteB(config)#interface loopback 0
Customer1-SiteB(config-if)#ip add 2.2.2.2 255.255.255.255
Customer1-SiteB(config)#interface fastEthernet 2/0
Customer1-SiteB(config-if)#ip add 20.20.20.1 255.255.255.252
Customer1-SiteB#sh ip int brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            unassigned      YES unset  administratively down down
FastEthernet2/0            20.20.20.1      YES manual administratively down down
GigabitEthernet3/0         unassigned      YES unset  administratively down down
FastEthernet4/0            unassigned      YES unset  administratively down down
Serial5/0                  unassigned      YES unset  administratively down down
Serial5/1                  unassigned      YES unset  administratively down down
Serial5/2                  unassigned      YES unset  administratively down down
Serial5/3                  unassigned      YES unset  administratively down down
FastEthernet6/0            unassigned      YES unset  administratively down down
FastEthernet6/1            unassigned      YES unset  administratively down down
Loopback0                  2.2.2.2         YES manual up                    up  




Customer1-SiteB#sh ip route
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
      20.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        20.20.20.0/30 is directly connected, FastEthernet2/0
L        20.20.20.1/32 is directly connected, FastEthernet2/0


Customer1-SiteB(config)#router eigrp 100
Customer1-SiteB(config-router)#network 2.2.2.2 0.0.0.0
Customer1-SiteB(config-router)#network 20.20.20.0 0.0.0.3
Customer1-SiteB(config-router)#no auto-summary
Customer1-SiteB(config-router)#exit


Customer2 de ospf konfigurasyonu yapalım.

Customer2-Site-A(config)#interface loopback 0
Customer2-Site-A(config-if)#ip add 4.4.4.4 255.255.255.255
Customer2-Site-A#conf t
Customer2-Site-A(config)#interface fastEthernet 0/0
Customer2-Site-A(config-if)#ip add 30.30.30.1 255.255.255.252
Customer2-Site-A(config-if)#no shut

Customer2-Site-A(config)#router
Customer2-Site-A(config)#router ospf 1
Customer2-Site-A(config-router)#router-id 4.4.4.4
Customer2-Site-A(config-router)#network 30.30.30.0 0.0.0.3 area 0
Customer2-Site-A(config-router)#network 4.4.4.4 0.0.0.0 area 0
Customer2-Site-A(config-router)#



Customer2-Site-B(config)#interface loopback 0
Customer2-Site-B(config-if)#ip add 3.3.3.3 255.255.255.255

Customer2-Site-B#conf t
Customer2-Site-B(config)#interface fastEthernet 0/0
Customer2-Site-B(config-if)#ip add 40.40.40.1 255.255.255.252

Customer2-Site-B(config)#router ospf 1
Customer2-Site-B(config-router)#router-id 3.3.3.3
Customer2-Site-B(config-router)#network 3.3.3.3 0.0.0.0 area 0
Customer2-Site-B(config-router)#network 40.40.40.0 0.0.0.3 area 0



Customer2-Site-B#sh ip route

      3.0.0.0/32 is subnetted, 1 subnets
C        3.3.3.3 is directly connected, Loopback0
      40.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        40.40.40.0/30 is directly connected, FastEthernet0/0
L        40.40.40.1/32 is directly connected, FastEthernet0/0



Core-Router(config)#ip vrf Customer1
Core-Router(config-vrf)#exit
Core-Router(config)#ip vrf Customer 2


Core-Router#sh ip vrf
  Name                             Default RD          Interfaces
  Customer1                        <not set>
  Customer2                        <not set>
Core-Router#



Bu vrfler herhangi bir interfaceye map edilmemiş onu ilk başta etmemiz gerekiyor.


Core-Router(config)#interface fastEthernet 0/0
Core-Router(config-if)#ip add 10.10.10.2 255.255.255.252

Core-Router#sh ip int brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            10.10.10.2      YES manual up                    up  
FastEthernet2/0            unassigned      YES unset  administratively down down
GigabitEthernet3/0         unassigned      YES unset  administratively down down
FastEthernet4/0            unassigned      YES unset  administratively down down
Serial5/0                  unassigned      YES unset  administratively down down
Serial5/1                  unassigned      YES unset  administratively down down
Serial5/2                  unassigned      YES unset  administratively down down
Serial5/3                  unassigned      YES unset  administratively down down
FastEthernet6/0            unassigned      YES unset  administratively down down
FastEthernet6/1            unassigned      YES unset  administratively down down

Core-Router(config)#interface fastEthernet 0/0
Core-Router(config-if)#ip vrf forwarding ?
  Customer1
  Customer2
  WORD  VRF name

Core-Router(config-if)#ip vrf forwarding Customer1

% Interface FastEthernet0/0 IPv4 disabled and address(es) removed due to enabling VRF Customer1

Core-Router#sh ip int brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            unassigned      YES manual up                    up  
FastEthernet2/0            unassigned      YES unset  administratively down down
GigabitEthernet3/0         unassigned      YES unset  administratively down down
FastEthernet4/0            unassigned      YES unset  administratively down down
Serial5/0                  unassigned      YES unset  administratively down down
Serial5/1                  unassigned      YES unset  administratively down down
Serial5/2                  unassigned      YES unset  administratively down down
Serial5/3                  unassigned      YES unset  administratively down down
FastEthernet6/0            unassigned      YES unset  administratively down down
FastEthernet6/1            unassigned      YES unset  administratively down down
Core-Router#

Core-Router(config)#int fastEthernet 0/0
Core-Router(config-if)#ip add 10.10.10.2 255.255.255.252
Core-Router(config-if)#no shut



Core-Router#sh ip vrf
  Name                             Default RD          Interfaces
  Customer1                        <not set>           Fa0/0
  Customer2                        <not set>

Core-Router#sh ip int brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            10.10.10.2      YES manual up                    up  
FastEthernet2/0            unassigned      YES unset  administratively down down

Core-Router#sh ip route vrf Customer1

PreviousVRFNextRoute Redistribution

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