INTERNET GATEWAY

 Persiapan Konfigurasi

Berikut ini merupakan persiapan dari konfigurasi jaringan sederhana :

1.      Software yang digunakan Cisco Packet Tracer Student

2.      1 personal Computer Packet Tracer

3.      2 Router

Konfigurasi Internet Gateway (NAT)

DEVICE YANG DIGUNAKAN :

1.      2 Router PT

2.      1 PC

KONFIGURASI :

1.      Router 0 (New Claster) INTERNET

a.       Fa0/0                     : 10.10.10.1/24

b.      DNS Server           : 8.8.8.8

c.       CLI

Router>enable

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#interface fastethernet0/0

Router(config-if)#ip address 10.10.10.1 255.255.255.0

Router(config-if)#no shutdown

Router(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

Router(config-if)#exit

Router(config)#exit

Router#

%SYS-5-CONFIG_I: Configured from console by console

WRITE

Building configuration...

[OK]

2.      Router 1

a.       Fa0/0                     : 10.10.10.2/24

b.      Fa1/0                     : 192.168.1.254/24

c.       CLI

Router>enable

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#interface fastethernet0/0

Router(config-if)#ip address 10.10.10.2 255.255.255.0

Router(config-if)#no shutdown

Router(config-if)#

%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)#interface fastethernet1/0

Router(config-if)#ip address 192.168.1.254 255.255.255.0

Router(config-if)#no shutdown

Router(config-if)#

%LINK-5-CHANGED: Interface FastEthernet1/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up

Router(config-if)#exit

Router(config)#ip route 0.0.0.0 0.0.0.0 10.10.10.1

Router(config)#ip name-server 8.8.8.8

Router(config)#access-list 99 permit 192.168.1.0 0.0.0.255

Router(config)#ip nat pool local 10.10.10.2 10.10.10.2 netmask 255.255.255.0

Router(config)#ip nat inside source list 99 pool local overload

Router(config)#interface fastethernet0/0

Router(config-if)#ip nat outside

Router(config-if)#no shutdown

Router(config-if)#exit

Router(config)#interface fastethernet 1/0

Router(config-if)#ip nat inside

Router(config-if)#no shutdown

Router(config-if)#exit

Router(config)#ip dhcp pool lan

Router(dhcp-config)#network 192.168.1.0 255.255.255.0

Router(dhcp-config)#default-router 192.168.1.254

Router(dhcp-config)#dns-server 8.8.8.8

Router(dhcp-config)#exit

Router(config)#exit

Router#

%SYS-5-CONFIG_I: Configured from console by console

WRITE

Building configuration...

[OK]

3.      PC 0

a.       Beri Ip DHCP

b.      Pengujian

a)      Ping 192.168.1.254

b)     Ping 10.10.10.2

c)      Ping 10.10.10.1