IPv6: Cisco: OSPF Sederhana
Topologi
R1
e1 -- R3: e1 e2 -- R2: e1 e3 -- NAT: Internet
R2
e1 -- R2: e1 e2 -- R3: e2 e3 -- LAN 172.16.1.1
R3
e1 -- R1: e1 e2 -- R2: e2 e3 -- LAN 192.168.1.1
Konfigurasi
Router1:
enable
configure terminal
ipv6 unicast-routing
interface ethernet1/1
ip address 10.10.1.1 255.255.255.252
ipv6 address 2001:10:10:1::1/64
ipv6 ospf 1 router-id 10.10.1.1 area 0.0.0.0
no shutdown
exit
interface ethernet1/2
ip address 10.10.1.5 255.255.255.252
ipv6 address 2001:10:10:5::1/64
ipv6 ospf 1 router-id 10.10.1.5 area 0.0.0.0
no shutdown
exit
!
! NAT GNS3 gw 192.168.122.1
interface ethernet1/3
ip address 192.168.122.100 255.255.255.0
ip address 192.168.122.101 255.255.255.0 secondary
ip address 192.168.122.102 255.255.255.0 secondary
no shutdown
ip route 0.0.0.0 0.0.0.0 192.168.122.1
end
Router2:
enable
configure terminal
ipv6 unicast-routing
interface ethernet1/1
ip address 10.10.1.6 255.255.255.252
ipv6 address 2001:10:10:5::2/64
ipv6 ospf 2 router-id 10.10.1.6 area 0.0.0.0
no shutdown
exit
interface ethernet1/2
ip address 10.10.1.9 255.255.255.252
ipv6 address 2001:10:10:9::1/64
ipv6 ospf 2 router-id 10.10.1.9 area 0.0.0.0
no shutdown
exit
interface ethernet1/3
ip address 172.16.1.1 255.255.0.0
ipv6 address 2001:172:16:1::1/64
ipv6 ospf 2 router-id 172.16.1.1 area 0.0.0.0
no shutdown
end
Router3:
enable
configure terminal
ipv6 unicast-routing
interface ethernet1/1
ip address 10.10.1.2 255.255.255.252
ipv6 address 2001:10:10:1::2/64
ipv6 ospf 3 router-id 10.10.1.2 area 0.0.0.0
no shutdown
exit
interface ethernet1/2
ip address 10.10.1.10 255.255.255.252
ipv6 address 2001:10:10:9::2/64
ipv6 ospf 3 router-id 10.10.1.10 area 0.0.0.0
no shutdown
exit
interface ethernet1/3
ip address 192.168.1.1 255.255.255.0
ipv6 address 2001:192:168:1::1/64
ipv6 ospf 3 router-id 192.168.1.1 area 0.0.0.0
no shutdown
end
Ada tiga (3) elemen dasar konfigurasi OSPF:
- Enable OSPF instance
- OSPF area configuration
- OSPF network configuration
Catatan: Ingat bahwa backbone area-id adalah 0.0.0.0.
R1
enable
configure terminal
!
! area 0 = backbone
router ospf 1
network 10.10.1.0 0.0.0.3 area 0.0.0.0
network 10.10.1.4 0.0.0.3 area 0.0.0.0
ipv6 router ospf 1
router-id 10.10.1.1 area 0.0.0.0
end
R2
enable
configure terminal
!
! area 0 = backbone
router ospf 2
network 10.10.1.4 0.0.0.3 area 0.0.0.0
network 10.10.1.8 0.0.0.3 area 0.0.0.0
network 172.16.0.0 0.0.255.255 area 0.0.0.0
ipv6 router ospf 2
router-id 10.10.1.5 area 0.0.0.0
end
R3
enable
configure terminal
!
! area 0 = backbone
router ospf 3
network 10.10.1.0 0.0.0.3 area 0.0.0.0
network 10.10.1.8 0.0.0.3 area 0.0.0.0
network 192.168.1.0 0.0.0.255 area 0.0.0.0
ipv6 router ospf 3
router-id 10.10.1.2 area 0.0.0.0
end
Verify
Cek di R1, R2, R3
show ip ospf neighbor show ip ospf database show ip route