Konfigurasi multi-area OSPF di Router Cisco
Konfigurasi OSPF di Router-JKT:
(config)# interface loopback 0
(config-if)# ip address 10.0.255.1 255.255.255.255 ==> sebagai router-id OSPF
(config-if)# no shutdown
(config-if)# router ospf 1 ==> menggunakan process-id 1
(config-router)# network 10.0.255.1 0.0.0.0 area 0
(config-router)# network 10.0.0.0 0.0.0.3 area 0
(config-router)# network 10.0.0.4 0.0.0.3 area 0
(config-router)# end
Konfigurasi OSPF di Router-SBY:
(config)# interface loopback 0
(config-if)# ip address 10.0.255.3 255.255.255.255
(config-if)# no shutdown
(config-if)# router ospf 1
(config-router)# network 10.0.255.3 0.0.0.0 area 0
(config-router)# network 10.0.0.4 0.0.0.3 area 0
(config-router)# network 10.2.1.0 0.0.0.3 area 2
(config-router)# end
Konfigurasi OSPF di Router-MKS:
(config)# interface loopback 0
(config-if)# ip address 10.2.255.1 255.255.255.255
(config-if)# no shutdown
(config-if)# router ospf 2
(config-router)# network 10.2.255.1 0.0.0.0 area 2
(config-router)# network 10.2.0.0 0.0.0.255 area 2
(config-router)# network 10.2.1.0 0.0.0.3 area 2
(config-router)# end
Konfigurasi OSPF di Router-MDN:
(config)# interface loopback 0
(config-if)# ip address 10.0.255.2 255.255.255.255
(config-if)# no shutdown
(config-if)# router ospf 2
(config-router)# network 10.0.255.2 0.0.0.0 area 0
(config-router)# network 10.0.0.0 0.0.0.3 area 0
(config-router)# network 10.1.1.0 0.0.0.3 area 1
(config-router)# end
Konfigurasi OSPF di Router-ACEH:
(config)# interface loopback 0
(config-if)# ip address 10.1.255.1 255.255.255.255
(config-if)# no shutdown
(config-if)# router ospf 3
(config-router)# network 10.1.255.1 0.0.0.0 area 1
(config-router)# network 10.1.0.0 0.0.0.255 area 1
(config-router)# network 10.1.1.0 0.0.0.3 area 1
(config-router)# end
Untuk verifikasi konfigurasi OSPF:
# sh ip route ==> melihat routing table
# sh ip protocol ==> melihat routing protocol yg telah dikonfigurasi
# sh ip ospf neighbor ==> melihat neighbor table OSPF
# sh ip ospf database ==> melihat LSDB OSPF
# sh ip route ospf ==> melihat routing table OSPF
# debug ip ospf packet ==> melihat proses mengirim & menerima paket OSPF
# debug ip ospf event ==> melihat event yg terjadi di OSPF
# terminal monitor ==> utk melihat hasil debug (khusus bagi yg via telnet/SSH)
# no debug all ATAU #undebug all ==> mematikan proses debugging


March 26th, 2010 at 11:38 am
hallo
ada yg saya mau tanyakan,
lihat yg ini
config-router)# network 10.0.255.1 0.0.0.0 area 0
(config-router)# network 10.0.0.0 0.0.0.3 area 0
(config-router)# network 10.0.0.4 0.0.0.3 area 0
nah wildcard utk 0.0.0.0 dan 0.0.0.3 itu dari mana?
terima kasih mohon untuk pencerahannya…
March 27th, 2010 at 11:17 am
@ Weka:
utk menghitung wildcard mask, cara paling mudah adalah dengan cara:
255.255.255.255-subnet mask
contoh:
10.0.255.1 255.255.255.255 ; wildcard mask = 255.255.255.255-255.255.255.255 = 0.0.0.0
10.0.0.0 255.255.255.252 ; wildcard mask = 255.255.255.255-255.255.255.252 = 0.0.0.3
10.0.0.4 255.255.255.252 ; wildcard mask = 255.255.255.255-255.255.255.252 = 0.0.0.3
demikian, semoga membantu
April 5th, 2010 at 5:33 am
mau nanya gan,
bedanya ip loopback ama ip interface apa?? Saya dulu diajari kalau yang dikonfig ip nya tuh interface nya misal fa0/0/0 atau se0/0/0.
Thanks
April 21st, 2010 at 2:49 am
@ Riza:
dulu diajarinnya bener kok, gan
Ethernet interface adalah physical interface
Loopback interface adalah logical interface. Pada OSPF, loopback interface digunakan sebagai OSPF router-id.
agar semua interface router kita (physical maupun logical interface) bisa di-ping atau di-telnet, maka semua interface (physical: ethernet, serial, dll. logical: loopback, dll) di-advertise ke router lain, menggunakan command ‘network’ di bawah command ‘router ospf’.
semoga bisa membantu, gan