RedHat Linux IP Forwarding
To enable IP (IPv4) Forwarding in RedHat linux.
To enable IP forwarding temporarily (until the next reboot):
echo 1 > /proc/sys/net/ipv4/ip_forward
To enable permanently, edit /etc/sysconfig/network and change or add the following line:
FORWARD_IPV4 = YES










Anand M said on October 31, 2008
If i want communicate with two different Ip address example 172.16.10.63 machine has to ping 192.168.1.140 what has to be done?
Pce_manojgupta said on January 22, 2011
what is ip forwarding