How to enable forwarding, ip_forwarding, ip_forward on Linux

(Tested on FC3 - Fedora Core 3)
You can every time you boot the operating system Linux to execute the command
echo "1" > /proc/sys/net/ipv4/ip_forward

But why, if there was a chance configured indicate that include forward packets operating system to be loaded.

1. Open file /etc/sysctl.conf
2. Edit option net.ipv4.ip_forward=1
3. Save file.

Enjoy!
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© Ramzaj