IP forwarding also known as Internet routing enables one workstation to sit on two LANs and to act as a gateway forwarding IP packets from one LAN to another.

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Share Internet from laptop (connected to LAN) to Android using WIFI router

The idea is: Internet - eth0 - Laptop - wlan0 - router - Android Static IPs everywhere. IP ranges are different. Could not establish bridge. bridge-utils unable to add wlan0 to bridge. Android ...
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Virtualbox Server/Client topology

I have Ubuntu 14.04 desktop machine that VirtualBox installed on it. I make two virtual machines, one Ubuntu server, the other is Lubuntu client. The default setting allow me to get Internet from ...
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how to forward ethernet internet from ubuntu pc via wifi stick to windows 8 laptop

This is my setup: Ubuntu PC connected via Ethernet connection to a LAN that has internet connection has a WIFI stick, (the router does not have WIFI support) Windows 8 Laptop with ONLY WIFI (no ...
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Foraward Traffic from local machine to proxy server using iptables

I am using Ubuntu Server 12.04. My IP is 192.168.4.160. I want to route the HTTP traffic generated locally from my system destined to a particular URL (say x.x.x.x) to pass through proxy server. My ...
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Shorewall IP Forwarding Problems in 12.04 LTS

Internet connectivity through my 12.04 LTS shorewall box is spotty at best. Ping works both locally and to the internet with no dropped packets (from both the box itself and internal LAN). HTTP ...
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Internet connection sharing without Network Manager

I followed these instructions for setting up a shared internet connection with iptables. Specifically, I: Added a network interface for my second NIC in /etc/network/interfaces like so: auto eth1 ...
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How can I set my linux box as a router to forward ip packets?

I am doing a network experiment about ip packet forwarding, but I don't know why it does work. I have a linux machine with two network interfaces, eth0 and eth1 both with static IP address (eth0: ...
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IP forwarding not working in Ubuntu 12.04 Server

I'm having trouble getting IP forwarding going in Ubuntu 12.04 server with UFW. I'm trying to get OpenVPN working. I have two interfaces, eth0 and tun0, and they can't ping each other. I've made the ...
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Linux bridge (brctl) doesn't forward IP-packets when router is one of the bridge endpoints

I have set up a brctl bridge on Ubuntu with the following deployment: Cisco router - > Linux bridge - > client computer The bridge forwards the following packets types: ARP,STP, but doesn't forward ...
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How to forward an Internet connection to another network?

Can somebody please make a short & sweet tutorial telling how to forward an Internet connection to different network interfaces in Ubuntu...? This is the idea: I'm using a 3G usb modem to get ...
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How to configure UFW to allow IP Forwarding?

I have UFW, OpenVPN and Virtualbox installed on my home server. I have a host-only network for my virtual machine guests (vboxnet0) set up with the IP range 10.0.1.0, and another IP range of 10.0.0.0 ...