Configurasi:
PC 1
IP : 172.16.3.2
SM: 255.255.255.0
Gateway: 172.16.3.1
PC 2
IP: 172.16.1.2
SM: 255.255.255.0
Gateway: 172.16.1.1
PC 3
IP: 192.168.2.2
SM: 255.255.255.0
Gateway: 192.168.2.1
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ROUTER 1
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int fa0/0
Router(config-if)#ip add 172.16.3.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#int ser2/0
Router(config-if)#ip add 172.16.2.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial2/0, changed state to down
Router(config-if)#exit
Router(config)#
Router(config)#ip route 192.168.0.0 255.255.252.0 ser2/0
Router(config)#ip route 172.16.1.0 255.255.255.0 ser2/0
Router(config)#
ROUTER 2
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int fa0/0
Router(config-if)#ip add 172.16.1.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#int ser2/0
Router(config-if)#ip add 172.16.2.2 255.255.255.0
Router(config-if)#clock rate 64000
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial2/0, changed state to up
Router(config-if)#exit
Router(config)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0, changed state to up
Router(config)#int ser3/0
Router(config-if)#ip add 192.168.1.2 255.255.255.0
Router(config-if)#clock rate 64000
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial3/0, changed state to down
Router(config-if)#exit
Router(config)#
Router(config)#ip route 172.16.3.0 255.255.255.0 ser2/0
Router(config)#ip route 192.168.2.0 255.255.255.0 ser3/0
Router(config)#
ROUTER 3
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int fa0/0
Router(config-if)#ip add 192.168.2.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#int ser2/0
Router(config-if)#ip add 192.168.1.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial2/0, changed state to up
Router(config-if)#exit
Router(config)#
Router(config)#ip route 172.16.0.0 255.255.252.0 ser2/0
Router(config)#
Router Summeryzation
Terdapat 3 route statis pada router 2 yaitu:
- 192.168.1.0 255.255.255.0 ser2/0
- 192.168.2.0 255.255.255.0 ser2/0
- 172.16.1.0 255.255.255.0 ser2/0
diringkas menjadi:
ip route 192.168.0.0 255.255.252.0 ser2/0
ip route 172.16.1.0 255.255.255.0 ser2/0
=>yang dapat diringkas apabila depannya sama yaitu: 192.168.1.0 dan 192.168.2.0
cara perhitungannya:
Terdapat 3 route static pada router 3, yaitu:
- ip route 172.16.1.0 255.255.255.0 ser2/0
- ip route 172.16.2.0 255.255.255.0 ser2/0
- ip route 172.16.3.0 255.255.255.0 ser2/0
diringkas menjadi:
ip route 172.16.0.0 255.255.252.0 ser2/0
cara perhitungannya:
Routing Table

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