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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Is it possible to define a fallback gateway server?

I'm using iptables to implement forwarding on one server, that is support to forward traffic from an internal network to the internet (tutorial: http://www.revsys.com/writings/quicktips/nat.html) On ...
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ip forwarding between two LANs

I have 1 server which has 3 NIcs: Connected to the Internet Connected to LAN1 (10.0.0.0/24) Connected to LAN2 (192.168.0.0/28) LAN2 has a server that works on a port, say 4444. How can I forward ...
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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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Forwarding specific traffic to another LAN

There's a LAN of about 40 computers all running Ubuntu 15.04. There are two servers, both Ubuntu 15.04. One of the servers will act as a SVN repo server and other as a firewall-and-transparent-proxy ...
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Problem routing between wireless and wired nic

I have a complicated network setup and I'm searching for advice on a partial problem. My Ubuntu server has a wireless NIC (wlan0) and a wired NIC (eth0). I want to connect a wired subnet to eth0 and ...
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How to redirect TCP traffic from one virtual machine to another in Linux?

What is the simplest way to redirect all TCP traffic from one virtual machine to another in Ubuntu Linux and reverse? And what type of connection I suppose to use in VirtualBox?
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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 ...