1. konfigurasi eth0 dan eth1
2. konfigurasi router pertama dengan mengetik nano /etc/sysctl.conf
(cari tulisan #net.ipv4.ip_forward=1 dan hapus tanda
pagar, jika sudah selesai save konfigurasi tersebut)3.ketik lah iptables -A FORWARD -i eth0 -o eth1 -s IP_yg_ingin_di_route/netmask -m conntrack –ctstate NEW -j ACCEPT
contoh (iptables -A FORWARD -i eth0 -o eth1 -s 196.150.22.0/24 -m conntrack –ctstate NEW -j ACCEPT)
4. iptables -A FORWARD -m conntrack –ctstate ESTABLISHED,RELATED -j ACCEPT
5. iptables -A POSTROUTING -t nat -j MASQUERADE
6.echo “1″>/proc/sys/net/ipv4/ip_forward
7. iptables-save
8. nano /etc/rc.local
di rc.local ketik lah
iptables -A FORWARD -i eth0 -o eth1 -s 196.150.22.0/24 -m conntrack –ctstate NEW -j ACCEPT
iptables -A FORWARD -m conntrack –ctstate ESTABLISHED,RELATED -j ACCEPT
iptables -A POSTROUTING -t nat -j MASQUERADE
echo “1″>/proc/sys/net/ipv4/ip_forward di atas exit 0
pembuatan router selesai ….
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