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Questions tagged [network-bridge]

Questions about configuring and using bridging interfaces

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ubuntu 16.04 upgrade error dcdb

I am having an error upgrading. Removing dcbd (0.9.19-0ubuntu3) ... update-rc.d: error: no runlevel symlinks to modify, aborting! dpkg: error processing package dcbd (--remove): subprocess installed ...
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Direct Ethernet Routing

I have an Ubuntu 18 music file server and I'd like to route files to a renderer, another Linux machine, as directly as possible. I've connected the renderer to the server, and have bridged the ...
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Netplan bond/bridge MTU setting not being honored on Bionic system

I'm running Netplan on an 18.04 system. I've been able to workout and convert most of my network configuration from my 16.04 systems to Netplan for 18.04, however I've run into an issue now when ...
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Network service restart failed

I set up an Ubuntu 16.04 server as guest in kvm. Server uses 2 interfaces: Host and Bridge ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/...
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bridging KVM on Ubuntu 18.04

So I've been trying to set up KVM on Ubuntu 18.04, with the goal being of having the vms have unique IPs on the local network (so that I can easily open up ports for them). On OpenSUSE it did this ...
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Ubuntu 18.04 desktop: netplan.io+NetworkManager: wrong default route mask (0.0.0.0/24)

My yaml file is: network: version: 2 renderer: NetworkManager ethernets: enp2s0: dhcp4: no dhcp6: no enp3s0: dhcp4: no dhcp6: no addresses: [192.168.245.50/...
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Config bridge network in order to using KVM

I want to install and configure KVM and I need to create some virtual machines, As I researched I should create a bridge network and select it in KVM. I installed bridle-utils before anything This is ...
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Ubuntu 18.04: I want to configure two Network Card in Azure Ubuntu 18.04 VM with same network

Hi I have attached additional NIC card to ubuntu 18.04 VM but not able to ping or ssh to additional NIC i.e eth1 Static IP I have assigned to eth0 is 10.0.0.2 and eth1 is 10.0.0.3
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How to bridge two interfaces with netplan

I want to setup a gateway on an Ubuntu 18.04 machine with 2 eth ports - ETH1 - WAN connection, connected to my corporate network with DHCP ETH0 - LAN connection, connected to my laptop statically I ...
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Is there a way to create a general access point entry in Netplan?

Is it necessary for me to create an access-point entry for each AP I use in order to use VirtualBox's bridge adapter? Edit: this was the netplan config I tried before network completely crashed. ...
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How to configure bridge network through WiFi with 18.04 host with netplan in order for bridge adapter to work with VirtualBox?

I'm trying to connect the Ubuntu 18.04 guest machine to the network on my Kubuntu 18.04 host laptop via bridge adapter. The Ubuntu guest won't recognize it, however. I read about how I should be ...
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Convert ifupdown using VLAN and Bridge-Utils to Netplan

I need to convert our ifupdown setup which uses apt-get vlan and bridge-utils to Netplan but have been unable to get the same setup using Netplan. Here's the current /etc/network/interfaces config ...
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lxc container network occasional problem with bridge network on bonding device

I experienced occasional network problem of containers with ubuntu server 18.04.1. Containers can communicate with host IP always but they can communicate sometimes to the other hosts but they are ...
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My Windows Network Bridge connection stops working after booting up Ubuntu?

I recently installed Ubuntu on a separate disk partition on my laptop for some school work. I have a PS4, but Wi-Fi doesn't work properly on it, and my router is too far away for an ethernet ...
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Unable to bridge network to qemu (libvirt) guest

I am running a virtual machine with virt-manager on my Ubuntu 16.04 server and am trying to get the guest into the same network as the host. I have attempted to follow these directions however I ...
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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,...
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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 ...
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How can I use Ubuntu 18.04 for monitoring LAN traffic via bridged interfaces? [closed]

Can I use Ubuntu 18.04 on the 2 NICs server for monitoring LAN traffic? [gw]-----[eth0][Server][eth1]------[switch]---[clients] How can I set this up?
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KVM Network Bridge with Static IP getting a second ip via DHCP

I did everything as in this answer, I can connect with to the VM via the static IP but I still get an IP from the DHCP server instead of the static one on the interface, how is it possible? How do I ...
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Creating bridge on Ethernet to USB device while having internet connection

I want to create bridge on ubuntu 16.04 for KVM guests. I can see in many posts how to bridge to an ethernet port. When I create a bridge (in /etc/network/interfaces) and set it up, the bridge is ...
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Created network bridge in KVM and now I have no internet if my VM isnt running?

Ok guys im not sure what went wrong here, but Ill start at the beginning. I created a Windows 10 VM through Virtual Machine Manager, I needed the Win10 VM on my main network, so I created a bridge ...
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Ethernet interface doesn't get DHCP address after adding bridged interface

On an Ubuntu 18.04 machine I found the default netplan configuration in /etc/netplan/50-cloud-init.yaml: network: ethernets: eno1: addresses: [] dhcp4: true ...
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How can I connect my ps2 to wifi by bridging through ethernet using my ubuntu laptop

So I recently got a network for my old ps2 I had lying around after hearing how socom 2 still has a pretty big following using ether xlink kai or a secondary dns address. My house unfourtonately has ...
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138 views

Netem jitter generation problem

I am using netem and tc to generate network impairments in my network. I have noticed that after I have upgraded my server from 16.04 to 18.04 the jitter functionality is not working properly. The ...
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Netplan bridge for KVM on Ubuntu Server 18.04 with static ips

I set up my first ubuntu server recently and I am struggeling with netplan. As I need a Windows to run one service which isnt available on linux, I try to set up KVM. The server has serveral static ...
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16.04 Unable to create Bond

I'm trying to set up a specific network configuration on an Ubuntu server 16.04 in order to use KVM. I need to create three bond, one without bridge, one with a bridge and Vlan. All bond are in ...
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783 views

Dnsmasq trouble in BridgeBuilding Ubuntu 18.04

I'am trying to build a bridge for a VirtualBox. To do that I used this tutorial with a few exceptions because some of the tips not working for Ubuntu 18.04 All of exceptions was on the dns part ...
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33 views

Route traffic between 2 networks

I have 2 LANS: 172.16.0.0/24, named LAN_A 172.16.1.0/24, named LAN_B I would like to make them talk to each other by adding a PC with 2 ethernet cards: eth0 has IP 172.16.0.1 and it is attached to ...
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222 views

Migrating bridged eth0 with static IP from /etc/network/interfaces to networkd

Under Ubuntu 16.04, my /etc/network/interfaces file looks like this: auto lo iface lo inet loopback auto br0 iface br0 inet static address 144.76.AAA.BBB netmask 255.255.255.224 gateway 144.76....
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How to force a bridge to clone mac-address from first added physical port

I'm configuring KVM/QEMU on Ubuntu 18.04 using netplan. There is corporative dhcp-server that provide a lot of mandatory data in addition to ip/netmask. The issue is that a bridge on setup generates ...
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321 views

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 ...
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921 views

How to create a bridge from a wifi laptop?

I got a laptop on ubuntu connected to my router via WIFI. I'd like to connect that laptop using an RJ45 cable to my Hi-Fi soundsystem (It doesn't support wireless) I'm new to Linux so i'm not sure ...
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Broadcast UDP traffic over a wired link shuts down bridged WiFi hotspot

Not sure if it's better to ask here or on the network engineering exchange, but since I'm looking for an Ubuntu-specific solution, here goes. Configuration: Ubuntu 16.04, WiFi hotspot via hostapd, ...
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Ubuntu 17.10 - OpenVPN TAP - Help

I am desperate at this point. I have been trying to configure a bridge networking on Ubuntu 17.10 and it has been hell. I can’t find any documents online to assist with install. All of the ones I have ...
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896 views

External DHCP with LXD 2.3+

I am trying out LXD. It seems the default way to set up networking is to have the host provide DHCP and NAT for all the guests, but I'd like to omit NAT and allow the guests to use the same DHCP ...
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Ubuntu 18.04 Server - setting DNS With Network Bridge

I am trying to configure my Ubuntu 18.04 server's network which uses a bridge because it also acts as a KVM host. Unfortunately I can't seem to get the DNS to work when the bridge configuration is in ...
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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: ...
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Connect ps4 via LAN to Ubuntu laptop wirelessly connected to router

So, my goal is this topography, and no other topography will work. My PS4 needs to be connected to my Ubuntu laptop (or Kali Linux) via Ethernet cable. My Ubuntu laptop is connected to a wireless ...
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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: ...
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203 views

Bridge Interface not Passing Traffic

I have an Ubuntu Server 16.04 VM on ESXi with a dual SFP+ NIC passed through to it. pfSense doesn't have drivers for the NIC anymore (Mellanox ConnectX G2). I want to bridge those two SFP+ ports and ...
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Ubuntu Server - Adding A Wireless Connection & Possibly Bridging?

I'm a little stuck. I have my Ubuntu Server running perfectly when connected via ethernet, however I would like to add wireless capability (there's a wifi card in the machine). I tried updating /etc/...
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1answer
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Ubuntu KVM Bridged DHCP nothing works

I have looked at questions here and every tutorial I can find on google and nothing seems to fix my issue. I have a Ubuntu 16.04 server that has a bunch of software on it (Unifi, Unifi Video, UNMS, ...
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226 views

Bridge network in LXD on Ubuntu 16.04

I've been trying to build a bridge network so my LXD containers can communicate with my LAN. So far, I have managed to get the IP address of the LAN for the container, but it does not communicate ...
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1answer
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Prevent bridge connections from automatically turning on

Every time I boot Ubuntu, I have to first turn off both the bridge connections br1 and br0 to connect to my wifi. And there is no option to forget the connections. So how can I configure these bridge ...
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Two NICs: if one is unplugged both go down

I bought a new PCI network card so that I could have two NICs in my home 'server' because I want to be able to run a gateway on a VM between my internet and my lan. I have my internal LAN interface ...
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113 views

How to bring a bridge interface down when physical interface gets unplugged?

I have configured a bridge for LXC in /etc/network/interfaces. # Internet iface enx0050b6130ce2 inet manual # Bridge for LXC iface br0 inet dhcp bridge_ports enx0050b6130ce2 bridge_fd 0 ...
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Problems with link aggregation with Mate 16.04

Following a motherboard failure, I have upgraded my system and rebuilt the system disk with Mate 16.04 (which I was running before. I have put in a dual NIC, disabled the onboard NIC in bios and have ...
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How to make ubuntu VM accessible from Internet

My host machine (windows) is accessible from internet. My guest VM (which is Ubuntu 17 with static ip) is accessible from the host. I want my ubuntu guest to be accessible from internet. I run vmware ...
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Unable to bridge two ethernet interfaces

My /etc/network/interfaces file looks as follows # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback auto enp0s3 iface enp0s3 inet dhcp auto enp0s8 iface enp0s8 inet ...
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976 views

Bridge wifi to lan on the same subnet

I've got a Ubuntu 16.04 laptop connected to my lan via a wired ethernet port, and I need to share resources on the lan with a wireless device. How do I set Ubuntu up as a wireless access point that ...