A network bridge is a network device which transparently forwards packets between two or more network segments so that they appear as one local area network (LAN).

learn more… | top users | synonyms

41
votes
1answer
50k views

Good detailed explanation of /etc/network/interfaces syntax?

I understood the very basic concept of how to use /etc/network/interfaces, but all I find online are examples, example after example, which I can copy-paste from. What I miss is an explanation of the ...
9
votes
2answers
6k views

How to know if a network interface is tap, tun, bridge or physical?

As far as i know, there are 4 main types of network interfaces in linux: tun, tap, bridge and physical. When i'm doing sys admin on machines running KVM, i usually come accross tap, bridge and ...
23
votes
2answers
64k views

Bring down and delete bridge interface that's up

How do I remove a bridge that has an IP address that was brought up manually and isn't in /etc/network/interfaces? $ ifconfig br100 br100 Link ...
9
votes
4answers
11k views

Docker + Bridges + DHCP

I have a lot of docker containers that I need addressable on the the same LAN as their hosts. Up until now, I have been achieving this by using setting up a bridge and manually assigning them IPs, and ...
3
votes
1answer
4k views

Settings when using a bridge

I have a bridge set up between my physical Ethernet interface, eth0, and the virtual interface for OpenVPN, tap0. The bridge has an IP address, and the machine can be contacted on that IP address from ...
4
votes
3answers
2k views

Using bridge utils to connect two computers via Linux

I have been using bridge utils previously to connect my network connected computers to a single interface on my Linux computer. The problem I'm having is when I installed a new Linux (with Slackware) ...
3
votes
2answers
2k views

Xen, bridge and multiple IPs on CentOS

There's a new server that is assigned 5 IP addresses. I want to use Xen to run several VMs with various services. This is my first attempt to install Xen, I use this tutorial as a guideline. Stuck ...
3
votes
3answers
472 views

how do I build a bridge between two virtual machines?

I have used virt-install to create two CentOS 7 virtual machine guests on a CentOS 7 host computer. One virtual machine is called webvm, and hosts web sites on a private network. The other virtual ...
1
vote
1answer
4k views

VMware Player on Linux, bridge networking

I am having trouble with VMware Player 4.0.3 for Linux. I am trying to run a Linux virtual machine guest (from the Linux host), but am unable to successfully get an IP address on the guest with bridge ...
5
votes
1answer
3k views

How can I most simply transparently bridge traffic between wlan0 and eth0?

I am looking to do this on a Raspberry Pi, but I don't mind which operating system I have to install, so the easiest most out-of-the-box solution for Pidora (Fedora 20 Remix), Raspbian (Debian) or ...
3
votes
1answer
81 views

Setup permanent bridge for dynamic network devices from lxc container?

TL:DR How can I make a bridge permanent (survive reboot) without adding a network device to the bridge config in /etc/network/interfaces? Hi, I just started playing around with lxc on ubuntu 14.04. ...
2
votes
1answer
646 views

Wireless network bridge

I am trying to create a network bridge to allow virtual machines to use my wireless card to connect to my home network. My plan was to do something like: iw dev wlp12s0 set 4addr on brctl addbr ...
0
votes
1answer
175 views

KVM - nat or bridge. How I do that

I have Debian Jessie server, and I have install apache server. From apache hosted several sites from different ip address. My server have resources for KVM. My question is - How I can set my free IP ...