How do I configure a Network Bridge on Ubuntu?

A network bridge is a device that connects two or more networks together. It allows for communication between the networks, and can be used to extend the range of a network. In this tutorial, we will show you how to configure a network bridge on Ubuntu.

Steps to Configure a Network Bridge on Ubuntu

To configure a network bridge on Ubuntu, follow these steps:

1. Install the bridge-utils package: sudo apt-get install bridge-utils
2. Show the existing bridges: sudo brctl show
3. Create a new bridge: sudo brctl addbr br0
4. Add the Ethernet interface to the bridge: sudo brctl addif br0 eth0
5. Bring up the bridge: sudo ifconfig br0 up
6. Set the Ethernet interface to 0.0.0.0: sudo ifconfig eth0 0.0.0.0
7. Request an IP address for the bridge: sudo dhclient br0
8. Show the bridge status: sudo brctl show
9. Check the bridge IP address: sudo ifconfig br0

Once you have completed these steps, your network bridge should be configured and ready to use.

Conclusion

In this tutorial, we showed you how to configure a network bridge on Ubuntu. We covered the steps to install the bridge-utils package, create a bridge, add an Ethernet interface to the bridge, and request an IP address for the bridge. We also showed you how to check the bridge status and IP address.

Useful Links

• Ubuntu Community Help - Network Connection Bridge
• Linux Bridge Networking Howto
• How to Configure Network Bridge in Linux