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Questions tagged [bridge]

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).

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Is it perfectly safe for the host to build any network structure of bridge type under a Docker container?

I'm thinking about using a Docker container to present complex networks, some causing some trouble, being misconfigured or else: it's for testing purpose. networks: frontend: driver: bridge ...
Marc Le Bihan's user avatar
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1 answer
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Linux AP and STA => managing bridge with custom DNS?

I have a SBC and I configured it to have 1 AP and 1 Station mode at the same time on my wifi module as below. Hostapd creates the access point for the interface wlan0 Interface wlan0_sta is created ...
Tibibs's user avatar
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Networkmanager shared wired connection no DHCP in hairpin mode

I'm setting up a Raspberry Pi as a mini router for university Accommodation, using NetworkManager to configure the connections, but I'm running into a problem. My current setup has a USB ethernet ...
Green-D-683's user avatar
1 vote
1 answer
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How to allow local network dotless names using Network Manager in Linux Mint with DHCP?

I have two hosts, MintPC and AlpineVM. The VM is on a bridged network so it appears as its own device on the network with its own address. Both obtain addresses through DHCP provided by my router/...
JustHal's user avatar
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Wrong bridge interface gets IP address

seems like I have my network misconfigured and I have no clue what's wrong. Any help from a networking guru is appreciated. I'm using TrueNAS Community Edition, so it's pretty much generic linux. I ...
krojew's user avatar
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Linux bridge forwarding from/to TAP interfaces

As explained here in my own Q&A, reconsider the following scenario. A Linux host with a two port Linux bridge and two Linux guest VMs connected to it: the first bridge's port is connected to TAP ...
CarloC's user avatar
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2 votes
1 answer
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How to enable internet access for a bridge inside a Linux network namespace?

I've created two Linux network namespaces (ns1 and ns2), and inside each, I have: A bridge (ns1-br0, ns2-br0) A TAP device (tap0, tap1) connected to the respective bridge Each TAP device gets an IP ...
Bhautik Chudasama's user avatar
4 votes
2 answers
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Does a linux bridge's port have its own mac address?

On my Linux Ubuntu I've a Linux bridge vnet0_6. You can check the mac address of each of the two interfaces attached to bridge's ports. root@eve-ng62:~# brctl show vnet0_6 bridge name bridge id ...
CarloC's user avatar
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2 answers
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Connect multiple virtual NICs to physical network with one physical NIC

I have a piece of software that requires at minimum 3 NICs on a host. The host only has 1 physical NIC. I need to create 2 virtual NICs so the software can be properly configured. These virtual NICs ...
cma0014's user avatar
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KVM VM on Ubuntu Server can't reach or be reached on LAN after bridging setup

First off, let me say that to me, networking is a black art, practiced by strange men in hooded cloaks, chanting strange incantations. I can 'do' basic networking. The background is that I have ...
StuartM's user avatar
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How to make ip link settings persistent on ubuntu 22.04

I'm trying to make persistent some ip links settings on ubuntu 22.04 desktop. Commands below works fine but are not persistent: ip link add mynet-shim link eno1 type macvlan mode bridge ip addr add ...
Sam99's user avatar
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2 answers
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Can a linux bridge have a DNS different from the host?

I am using Kind on my workstation, Kind creates a network bridge for itself and uses it to provide network functionality to its Kubernetes [container] nodes You can see it here: ip route show 172.18....
badger's user avatar
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2 answers
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How to communciate between two tap interfaces on two machines?

I have two debian based machines with IP adresses XXX.XXX.8.76/26 and XXX.XXX.8.77/26. Now i need to create a tap0 interface on both machines for an application that communicates with UDP messages. ...
Simon's user avatar
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[safety and automation]: hydroxy auth for protonmail

I want to use mutt for protonmail i saw that protonbridge-mail does not work for me, and that hydroxide provides an alternative solution. I installed hydroxide with the settings outlined here ...
PLee's user avatar
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Use socat to bridge CanFD messages

Is it possible to bridge to can interfaces via socat? My setup looks something like this: HOST A Host B vcan0 <-> vcan0 Where i have 2 hosts with a can ...
Sir l33tname's user avatar

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