gateway server by using RedHat5.4

leonardo1989 · 06-30-2011, 08:11 PM

I want to config gateway server by RedHat 5.4.
Inbound ipaddress is 192.168.5.0/24 and outbound ipaddress is 172.16.5.0/24.
RedHat server has two ether card- 192.168.5.1 and 172.16.5.1 .

Help me, please.

lazydog · 07-02-2011, 01:35 AM

You will need to turn on FORWARDing;

Code:

echo 1 > /proc/sys/net/ipv4/ip_forward

If you want this to be turned on from a reboot you need to edit /etc/sysctl.con and change the following line as listed below;

Code:

net.ipv4.ip_forward = 1

This will get the box to do routing for you. You will have to setup iptables to block unwanted traffic and do your masquerading for traffic leaving your system. Take a look at this TUTORIAL.