Configure NATing on Linux Servers
If you want to configure NAT to share the internet access to the other clients on the network that share the same private network
1. Edit the following file
2. change the line
net.ipv4.ip_forward = 0
net.ipv4.ip_forward = 1
3. Now set the gateway IP of all the local clients to NAT server IP.
If required, please restart the network service or reboot the server.