How to route traffic from eth0 to tun0?
The network layout is the following: I am using a client to connect to a server which is located behind a NAT. I have forwarded port 1194 on the NAT device and managed to ping the server successfully. Now I would like to route all traffic from my client’s eth0 interface to the tun0 interface.
How to route traffic through different network interfaces?
In part of the route table, you can see where the destination network is (with a subnet mask), and which interface to talk to it on. You can specify more “specific” routes to take, and the most specific rules will prevail. For example, if you had a home network at 192.168.0.0/24, your default route table knows to use Ethernet.
Can a router be added to the routing table?
When you plug in a network cable or join a WiFi network, windows automatically adds some routes to the routing table. It is possible to exert some influence on this using the GUI tools. For example, one can set both through Control Panel / Network Connections / Interface Properties / Internet Protocol Version 4 / Properties / Advanced:
How can I Help my Computer route traffic?
In order to be able to access both the resources on the LAN as well as the internet, I connect my computer: We can help Windows to properly route network traffic by configuring the routing table. To the point!
How does TUN / TAP forwarding work in Linux?
I have a program which writes packets (destination address 10.3.0.2) to the TUN/TAP interface. Wireshark captures these packets from interface tun0 but they are not forwarded to interface eth1.
Do you need a tun address for a VPN tunnel?
If you want a separate network for your vpn hosts, you should dedicate a pair of addresses for the tunnel (or more if you are using openvpn in multi-client server mode instead of in p2p mode), and you should make sure these addresses are bound to the tun interface, and that the tun is up. In your drawing there is no address for the tunnel.