Static routing ini berguna untuk jaringan sederhana yg menggunakan beberapa router dan juga untuk menghemat penggunaan bandwidth.
Bagaimana cara membuat static routing ???
Dalam Cisco Router, static routing secara default sudah dalam posisi enable, jadi jika ingin membuat IP static routing cukup dengan mengetikkan perintah :
Router(config)#ip route <network destination id> <subnet mask> <default gateway> <administrative distance>
apa itu <network destination id> ??? adalah alamat jaringan yg dituju
apa itu <subnet mask> ??? adalah subnet mask dari jaringan yg dituju
apa itu <default gateway> ??? adalah IP address Gateway, biasanya IP address router yg berhubungan langsung.
Apa itu <administrative distance> ??? adalah nilai 0-255 yg diberikan pada routing. Bertambah rendah nilai yg diberikan bertambah tinggi kegunaannya. Jika tidak diberikan, nilai default akan dipakai. Nilai default untuk directly connected (C) =0 dan statically connected (S) =1.
Contoh : Router0(config)# ip route 192.168.12.0 255.255.255.0 202.200.100.2
Study kasus, terdapat 3 router yg menghubungkan 4 IP Network yg berbeda, dimana masing-2x pc client harus dapat berkomunikasi satu dengan lainnya. Gimana configurasi didalamnya ?? supaya semua pc bs terhubung satu dengan lainnya ???
Router0 configuration :
Cab.Jakarta#sh run
Building configuration…
Current configuration : 709 bytes
!
version 12.3
no service password-encryption
!
hostname Cab.Jakarta
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
shutdown
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Serial0/0/0
ip address 202.200.200.1 255.255.255.252
clock rate 64000
!
interface Serial0/0/1
ip address 202.200.100.1 255.255.255.252
clock rate 64000
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 192.168.13.0 255.255.255.0 202.200.100.2
ip route 192.168.12.0 255.255.255.0 202.200.100.2
ip route 192.168.10.0 255.255.255.0 202.200.200.2
ip route 192.168.11.0 255.255.255.0 202.200.200.2
!
!
line con 0
line vty 0 4
login
!
!
end
Cab.Jakarta#
Router1 configuration :
Cab.Bandung#sh run
Building configuration…
Current configuration : 587 bytes
!
version 12.3
no service password-encryption
!
hostname Cab.Bandung
!
interface FastEthernet0/0
ip address 192.168.10.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.11.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
ip address 202.200.200.2 255.255.255.252
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 202.200.100.0 255.255.255.252 202.200.200.1
ip route 192.168.13.0 255.255.255.0 202.200.100.2
ip route 192.168.12.0 255.255.255.0 202.200.100.2
!
!
line con 0
line vty 0 4
login
!
!
end
Cab.Bandung#
Router2 configuration :
Cab.Bogor#sh run
Building configuration…
Current configuration : 585 bytes
!
version 12.3
no service password-encryption
!
hostname Cab.Bogor
!
!
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.13.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
ip address 202.200.100.2 255.255.255.252
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 202.200.200.0 255.255.255.252 202.200.100.1
ip route 192.168.10.0 255.255.255.0 202.200.200.2
ip route 192.168.11.0 255.255.255.0 202.200.200.2
!
!
line con 0
line vty 0 4
login
!
!
end
Cab.Bogor#
Ping test dari PC0 to PC7
PC>ping 192.168.13.11
Pinging 192.168.13.11 with 32 bytes of data:
Reply from 192.168.13.11: bytes=32 time=181ms TTL=125
Reply from 192.168.13.11: bytes=32 time=227ms TTL=125
Reply from 192.168.13.11: bytes=32 time=264ms TTL=125
Reply from 192.168.13.11: bytes=32 time=302ms TTL=125
Ping statistics for 192.168.13.11:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 181ms, Maximum = 302ms, Average = 243ms
Ping test dari PC0 to PC7
PC>ping 192.168.11.10
Pinging 192.168.11.10 with 32 bytes of data:
Reply from 192.168.11.10: bytes=32 time=258ms TTL=125
Reply from 192.168.11.10: bytes=32 time=291ms TTL=125
Reply from 192.168.11.10: bytes=32 time=220ms TTL=125
Reply from 192.168.11.10: bytes=32 time=237ms TTL=125
Ping statistics for 192.168.11.10:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 220ms, Maximum = 291ms, Average = 251ms
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