1) pico /etc/network/interfaces
# The primary network interface
allow-hotplug eth0
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.192
network 192.168.1.0
broadcast 192.168.1.63
gateway 192.168.1.62
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 192.168.1.62
dns-search situstkj.co.cc
# The primary network interface
allow-hotplug eth0
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.192
network 192.168.1.0
broadcast 192.168.1.63
gateway 192.168.1.62
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 192.168.1.62
dns-search situstkj.co.cc
# The secondary network interface
auto eth1
iface eth1 inet static
address 172.16.1.62
netmask 255.255.255.192
network 72.16.1.0
broadcast 172.16.1.63
2) /etc/init.d/networking restart
3) pico /etc/sysctl.conf
# Uncomment the next line to enable packet forwarding for IPv4
net.ipv4.ip_forward=1
4) iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
5) iptables -t nat -n –L
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
6) iptables-save > /etc/network/iptables.conf
7) echo "iptables-restore < /etc/network/iptables.conf" >> /etc/network/if-up.d/iptables"
8) pico /etc/network/if-up.d/iptables
5) iptables -t nat -n –L
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
6) iptables-save > /etc/network/iptables.conf
7) echo "iptables-restore < /etc/network/iptables.conf" >> /etc/network/if-up.d/iptables"
8) pico /etc/network/if-up.d/iptables
#!/bin/sh
iptables-restore < /etc/network/iptables.conf
9) chmod +x /etc/network/if-up.d/iptables
9) chmod +x /etc/network/if-up.d/iptables
10) reboot
11) ifconfig | less
eth0 Link encap:Ethernet HWaddr 00:0c:29:32:97:44
inet addr:192.168.1.1 Bcast:192.168.1.63 Mask:255.255.255.192
inet6 addr: fe80::20c:29ff:fe32:9744/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:82 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:400 (400.0 B) TX bytes:3660 (3.5 KiB)
Interrupt:19 Base address:0x2000
eth1 Link encap:Ethernet HWaddr 00:0c:29:32:97:4e
inet addr:172.16.1.62 Bcast:172.16.1.63 Mask:255.255.255.192
inet6 addr: fe80::20c:29ff:fe32:974e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:148 errors:0 dropped:0 overruns:0 frame:0
TX packets:100 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12617 (12.3 KiB) TX bytes:9610 (9.3 KiB)
Interrupt:16 Base address:0x2080
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
12) iptables -t nat -n –L
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
11) ifconfig | less
eth0 Link encap:Ethernet HWaddr 00:0c:29:32:97:44
inet addr:192.168.1.1 Bcast:192.168.1.63 Mask:255.255.255.192
inet6 addr: fe80::20c:29ff:fe32:9744/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:82 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:400 (400.0 B) TX bytes:3660 (3.5 KiB)
Interrupt:19 Base address:0x2000
eth1 Link encap:Ethernet HWaddr 00:0c:29:32:97:4e
inet addr:172.16.1.62 Bcast:172.16.1.63 Mask:255.255.255.192
inet6 addr: fe80::20c:29ff:fe32:974e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:148 errors:0 dropped:0 overruns:0 frame:0
TX packets:100 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12617 (12.3 KiB) TX bytes:9610 (9.3 KiB)
Interrupt:16 Base address:0x2080
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
12) iptables -t nat -n –L
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
(Jika terdapat kata Masquerade all berarti konfigurasi Anda Sudah Berhasil)
13) Kita check koneksinya. Pada windows ubah Settingan TCP/IP Menjadi Seperti ini:
IP Address : 172.16.1.2
Subnet Mask : 255.255.255.192
Default Gateway : 172.16.1.62
Preferred DNS Server : 172.16.1.62
14) Setelah settingan diubah, Bukalah Command Prompt computer client dan cek koneksi ke server.
C:\Users\antoro>ping 172.16.1.62
Pinging 172.16.1.62 with 32 bytes of data:
Reply from 172.16.1.62: bytes=32 time<1ms TTL=64
Reply from 172.16.1.62: bytes=32 time<1ms TTL=64
Reply from 172.16.1.62: bytes=32 time<1ms TTL=64
Reply from 172.16.1.62: bytes=32 time=1ms TTL=64
Ping statistics for 172.16.1.62:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms
C:\Users\antoro>ping 192.168.1.1
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms
15) Jika Reply, Maka konfurasi router anda bisa dikatakan berhasil.
IP Address : 172.16.1.2
Subnet Mask : 255.255.255.192
Default Gateway : 172.16.1.62
Preferred DNS Server : 172.16.1.62
14) Setelah settingan diubah, Bukalah Command Prompt computer client dan cek koneksi ke server.
C:\Users\antoro>ping 172.16.1.62
Pinging 172.16.1.62 with 32 bytes of data:
Reply from 172.16.1.62: bytes=32 time<1ms TTL=64
Reply from 172.16.1.62: bytes=32 time<1ms TTL=64
Reply from 172.16.1.62: bytes=32 time<1ms TTL=64
Reply from 172.16.1.62: bytes=32 time=1ms TTL=64
Ping statistics for 172.16.1.62:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms
C:\Users\antoro>ping 192.168.1.1
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms
15) Jika Reply, Maka konfurasi router anda bisa dikatakan berhasil.