Questions tagged [network-bridge]
Questions about configuring and using bridging interfaces
200
questions with no upvoted or accepted answers
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How to reset netplan to default in 18.04?
I tried creating a network bridge through Virtual Machine Manager for KVM. Now my Ubuntu network connection depends on my Windows KVM being booted.
Since creating this bridge when Ubuntu is booted ...
4
votes
0
answers
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Cannot access an Ubuntu guest VM running under multipass on an Ubuntu Host from the outer network
Setup & Purpose
I use a headless Ubuntu server as VM host running a nextcloud appliance using multipass.
I want to access the VM from another Desktop System in the same network for testing.
local ...
4
votes
0
answers
1k
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Where are all the network-bridges coming from, ifconfig shows me?
I'm using Ubuntu 18.04.3 LTS
As I'm a developer, I have Docker, docker-compose and Virtualbox and Vagrant installed
If I enter in a terminal:
$ ifconfig
I got a long list of network bridges.
...
4
votes
0
answers
854
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Enable packet routing from network interface eth0 to bridge interface
I have a Ubuntu server connect to LAN 10.1.200.21/24 (bond0), and an Macbook connect to LAN 10.1.200.50/24 (eno1)
There are another bridge create by brctl addbr br0 in Ubuntu 10.3.100.1/24, and there ...
4
votes
1
answer
2k
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bridge networking not working on ubuntu 16.04
I'm having a strange issue with kvm and bridged networking on several ubuntu servers running ubuntu 16.04. Bridged networking works fine on one of my servers, but doesn't work on my other three ...
4
votes
1
answer
3k
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Disable hidden bridging between network interfaces
My question looks like a duplicate for this one, but since it has no answers, I will re-ask it with more info. Please take into account that I'm complete beginner in all this networking stuff. I can ...
4
votes
2
answers
5k
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Bridging LAN and WIFI using netplan not working and killing AP
I'm trying to extend my local LAN network via WiFi and would like all devices in the same network. The setup is as follows:
DHCP/DNS server running inside the LAN
separate PC linked to the LAN, with ...
3
votes
0
answers
1k
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How to enable Networking inside a `systemd-nspawn` container?
How can I get networking to work inside a systemd-nspawn container in Ubuntu 20.04? I want the container to get an IP address from local DHCP server, perform DNS lookups using my configured name ...
3
votes
2
answers
4k
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Define hostapd configuration settings on netplan
I recently discovered that netplan can manage hostapd accesspoints, but this is the extent of the example config:
wlp1s0:
access-points:
"guest":
mode: ap
# no ...
3
votes
1
answer
3k
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Share Internet to Ethernet network from wireless connections with netplan
A computer 1 (on Ubuntu server 18.04) is connected through wireless to an access point and through Ethernet to a switch. A computer 2 (resp. 3) is connected to 1 through the switch (resp. the wireless ...
3
votes
0
answers
2k
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Network setup with Netplan and bridges
I'm having an issue where any bridge I create with netplan doesn't get an address.
The following starts my NIC and I get a DHCP address:
network:
version: 2
ethernets:
enp0s3:
...
3
votes
0
answers
7k
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netplan bridge for one static interface not working
I have a static ip address for interface eno1 which should become a bridge for kvm/qemu. My netplan configuration (Ubuntu 18.04) for the static ip looks like this and is working:
network:
version: ...
3
votes
0
answers
2k
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LXD profile. How could it be defined? [SOLVED]
I am not a sysadmin, so I am almost ignorant on this.
I have a laptop connected via wlan interface and I want to use lxd containers and the network inside the containers.
here
https://insights.ubuntu....
3
votes
1
answer
5k
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14.04 no internet connection when I up the bridge interface (for LXC container)
I have VM Ubuntu 14.04 32bit running in VMware Workstation on Win 10.
I'm trying to set up the LXC container having its own IP address so I set the bridge interface in /etc/network/interfaces (tried ...
3
votes
0
answers
3k
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network-manager, bridge and vpn
I have a shiny new system with Ubuntu 14.04 and I'm trying to get something configured which I think is reasonably simple:
a bridge (br0) for KVM
ability to use a VPN
network-manager controlling it ...
3
votes
1
answer
501
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How to bridge between two computers
I have this 3 machines with this setup Computer1----Computer with Ubuntu 12.04-----Computer2
Computer1 have IP 192.168.10.1 and Computer2 have 192.168.10.10.
My computer with Ubuntu have 2 ethernet ...
2
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0
answers
778
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Enable BRIDGE network for Virt Manager in Ubuntu 21.04 with a Wireless Network only
I've been using Boxes without any problem, the only missing functionality is to access the network outside the guest environment (Boxes Sandbox), from/to another computer in the same LAN.
Because ...
2
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0
answers
109
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Bridged KVM guest crashes other guests on Ubuntu Desktop 20.04
I am new to Ubuntu, but am running Desktop 20.04. I have installed KVM and configured bridged networking per the following two links based on my understanding that the legacy networking service has ...
2
votes
0
answers
893
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Trouble with Ubuntu 18.04 netplan bridge on hetzner server
i need some help with an hetzner server, netplan and a network-bridge..
I want do setup an kvm under my ubuntu 18.04 hetzner server, who is reachable from outside. So i need a network-bridge.
So i ...
2
votes
0
answers
137
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Using 2 wifi adapters to create a hotspot
I'm trying to create a wifi hotspot with an external wifi apdater. What I have is an onboard wifi (wlan0) that is connected to the internet and an external one (wlan1). What I'm trying to do is bridge?...
2
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0
answers
1k
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ubuntu 20.04 reboot hanging - clamping QRV from 1 to 2
my system is ubuntu 20.04, I use it mainly for LXD and Juju development..
I noticed the system asking for a reboot so I obliged.. but it is not rebooting and instead when I hit [esc] to watch the log ...
2
votes
0
answers
240
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Open Virtual Switch for bridging Physical network On Ubuntu Server 16.04
I am proof of concept for a client, the requirement are the following:
Stretch across 2 site the ERP network (stretched VLAN), this is needed due to dated machinery that have to talk to a particular ...
2
votes
1
answer
7k
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Why does host and bridge get an IP but not the virtual machine?
I'm struggling to connect my KVM virtual machine to the local network.
$ brctl show br0
bridge name bridge id STP enabled interfaces
br0 8000.4c5262097e59 yes ...
2
votes
1
answer
5k
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How to troubleshoot network problems for virtual machines connected via a bridge (Ubuntu 18.04)
On my server (Ubuntu 18.04 LTS) I am running a KVM virtual machine which has been running fine for over a year or so but recently - probably because of some update - the virtual machine would lose ...
2
votes
0
answers
167
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Created bridged interface but I can't connect through it
Just to preface, I'm trying to do this on an Ubuntu Server 18.04.2 that is a VirtualBox guest on my Win10 machine.
Alright, on my Ubuntu guest, I'm trying to create a bridge interface for enp0s3 (...
2
votes
1
answer
3k
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Working internet access / network bridge on Ubuntu running virtual machine?
Please consider the following scenario.
Host:
Ubuntu 18.04 LTS desktop with latest updates. QEMU version 3.1.
Network managed by network-manager with working wireless connection to the Internet.
$...
2
votes
0
answers
659
views
Bluetooth Network access point setup
I want to setup a ubuntu device as bluetooth NAP, then other linux device(Raspberry pi or UDOO) can access the internet by connecting the ubuntu device using bluetooth.
My ubuntu device is server iso,...
2
votes
0
answers
2k
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can we do Bridge Networking for laptop wifi?
I want to create virtual machine on the top up of my laptop with the help of KVM. I have installed all the neccessory packages required for it.
I want to setup Bridge network so that my virtual ...
2
votes
0
answers
1k
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Can't load websites when bridging enp0s3 with static IP
So I was trying to bridge the enp0s3 in a VM in ubuntu 16.04 LTS (64 Bit). The VM gets its internet connection through "bridged adapter", no NAT. If I go with the DHCP configuration everything works ...
2
votes
1
answer
750
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Cloud in a Box Issue - LXD static host with DHCP bridge and static LXD host reservations
I have a host (Openstack Newton data center controller) with the following services running on it:
Maas-Rack-Controller (bridge DHCP)
Cloudify (multi-cloud management POC)
Juju (cant bootstrap yet...)...
2
votes
0
answers
2k
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Enable eth0 without plugging cable to connect to virtualbox bridge
I'm using Ubuntu 15.04 with NetworkManager. I have internet connection on wlan0(dhcp, 192.168.1.0/24) and static ip on eth0(local network, 192.168.124.1/24).
On my virtual machine in VirtualBox i ...
2
votes
0
answers
1k
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Ubuntu 14.04: with bridge on wlan, no internet on kvm guests
I'm trying to be a "high-lander" sticking to KVM plus virt-manager to manage my VMs. But it's about a week I'm around trying to create a bridge that works for using with my VMs.
I tried first tried ...
2
votes
0
answers
419
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Unable to restart my network services
I cannot restart my networking services by using the restart command. Earlier it was working fine but today I created a lot of mess by giving IPs removing and all.
And now when I enter the restart ...
2
votes
0
answers
100
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Problem linking WLAN to Ethernet
So I've been trying to use a laptop who's wifi card doesn't work properly, by using a Lenovo V570 laptop with Ubuntu 12.04 to bridge the two networks. I changed my ethernet network to "Shared to other ...
1
vote
1
answer
241
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SSH into Virtual Machine thorugh another PC in the same network, Creating Bridge Network
I created a Virtual Machine using Virtual Machine Manager. I am using a Ubuntu OS(.iso) for the VM. After creating a VM it automatically assigns a IP to the VM. I can only SSH from the host Machine to ...
1
vote
0
answers
204
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Should I use bridge or route with netplan?
I have an RTSP camera connected through ethernet to a computer. This computer is set up to allow connections over WiFi. What I want is to be able to reach the camera from a laptop that is connected ...
1
vote
0
answers
440
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Bridge between physical interface and virtual (Cockpit)
At the moment I'm using Debian 11 as the main system and Ubuntu 18.04 as the system for virtualization, I do all the management through Cockpit.
The server is connected via a router, the connection ...
1
vote
1
answer
278
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Bridge with netplan fails with a slow to come up interface
My home server connects to the internet with enp7s0, and shares internet through 3 devices, enp2s0 (ethernet to switch), enp3s0 (ethernet to router that provides guest network) and wlxe0e1a935d56d (...
1
vote
1
answer
632
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Connecting a ubuntu to the internet via one interface and to an internal network via another
I have a computer running Ubuntu 20.04 LTS with two interfaces. On interface is connected to an router which is connected to the internet and the other interface is connected to an internal gateway ...
1
vote
0
answers
1k
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QEMU VM network bridge in WLAN/Wifi
Host (Ubuntu 22.04.1 LTS) is connected through WLAN/Wifi.
My goal:
QEMU VM (Linux Kernel created with buildroot) has it's own local IP address, host can reach VM through this IP address
it doesn't ...
1
vote
1
answer
4k
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Bridged network on Ubuntu Server 22.04.1 LTS
I'm trying to set up a couple of VM's with KVM/Qemu. They are supposed to be on the same network as the host. I have tried out a couple of guides found on the internet but to no avail.
Will someone ...
1
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1
answer
2k
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Best way to have a network bridge with both my LAN and WAN (not AP) interfaces attached?
I have this configuration to put my LAN and WAN (not AP) network interfaces on the same bridge but I'm wondering if there is a better way to do it? Has anyone done this in a better way? Thanks.
I've ...
1
vote
1
answer
1k
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Low performance with ethernet bridge
I have an Ubuntu 20.04 server with 2 NICs, both of which are part of (separate) bridges and one of them also handles VLANs. It connects to a managed switch and finally into a trunk port on my firewall ...
1
vote
1
answer
703
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Virtual machine manager: Error starting domain: 'utf-8' codec can't decode byte 0xf9 in position 158: invalid start byte
Client: Ubuntu 20.04.3 LTS
Virtual client: 18.04 LTS
python 3.8.10
I need to create a bridge on Virtual Machine Manager.
I installed GNOME Boxes and I ran Ubuntu 18.04 LTS. It works fine without ...
1
vote
0
answers
240
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Bridging Thunderbolt Ethernet Connections
Can Ubuntu bridge ethernet (thunderbolt networking) connections/adapters? The goal is to bridge two hosts each with a thunderbolt adapter; when you have one host, and you connect to host 2 and host 3 ...
1
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0
answers
156
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Problem Setting Up a Network Bridge for OpenVPN Server
I've installed bridge-utils and have followed several articles for creating DHCP to my LAN with OpenVPN. It appears that I have bridge set up correctly but when I start OpenVPN server I get this ...
1
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0
answers
101
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Wifi + Wired Hot-spot possible?
Running Ubuntu 20.04. I want to setup a wifi hot-spot which distributes IPs by dhcp. Furthermore I want to connect to this 'hot-spot' by wired ethernet connection. So the wired connection shall be in ...
1
vote
1
answer
235
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Isolate hosts on Netplan defined Bridged network
I've Ubuntu 20.04 LTS for Raspberry PI and I've created a wireless access point using the snapon wifi-ap package. That allows hosts to attach to a 192.168.8 network and works beautifully the Ubuntu ...
1
vote
0
answers
859
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Netplan bridge master getting a static IP address instead of the bridge
I am trying to configure a bridge for KVM guests and host connectivity. The bridge is never configured right, the physical NIC always ends up getting the static IP address and the bridge is assigned a ...
1
vote
1
answer
144
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Using Ubuntu as router for CCTV
I set an system in my house and I have some issues.
I am using CCTV in my house, the DVR is located far from my internet for plug it by cord, so I toke an unused Raspberry pi 3 that I had and set him ...