Questions about configuring and using bridging interfaces

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0
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1answer
15 views

How to safely reconfigure networking on a hosted server?

I have Ubuntu Xenial installed on a server hosted in a data centre. I have SSH access only - no iLO card. Server has a single ethernet connection. I am setting this up as a KVM hypervisor. For ...
0
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1answer
39 views

Why using (or not) dedicated bridges with LXD?

Question: Are there specific drawbacks of using a single bridge, as opposed to a dedicated one per container? Details: I have a host which runs a few LXD containers. I initially decided to have one ...
0
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1answer
13 views

What is the UH flag in routing table

I'm using an Ubuntu machine as a server and it has two network interfaces. One is the 10.10.10.0/ 24 range and the other is 192.168.0.0 /24 range. I was trying to bridge these network interfaces as ...
0
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1answer
38 views

Xen domu apache

This is a Xen bridge issue. I have a web server guest. When people click on a web page, the apache logs show the IP of the bridge, not the persons IP who clicked on the page. The bridge should be ...
1
vote
1answer
17k views

How to set up bridged networking in Xen?

I have 2 domU virtual machines installed on a 11.10 Oneiric Dom0. My internal network is on the 192.168.1 subnet, and when the domU's start, they get ips on the 192.168.122 subnet. I have attempted to ...
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0answers
42 views

How can I set device mode via networkd

How can I set mode to device (for example monitor/ap to wlan) via networkd deamon in .link file ??? Because I want to set bridge in .network of wlan device and I can't do it until I set it in ...
0
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1answer
29 views

How to turn up a linux bridge while booting ubuntu machine?

I want a linux bridge to get installed and turned up while booting an Ubuntu(14.04) machine. The bridge should be attached to eth0 interface. How can I do so?
14
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4answers
71k views

No internet connectivity in virtual-box with both Host and Virtual OS being 12.04

I have Precise 12.04 installed as the host OS. In VirtualBox,I also have installed 12.04. I am not able to connect the Virtual 12.04 to the host internet. I have tried selecting all the available ...
0
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1answer
72 views

Wireless Internet Ubuntu 15.10

I'm a legit beginner with Ubuntu as I've had Windows OS all my life, so bare with me. I got a PC with a wireless network adapter called: ASUS PCE-AC68 After entering the command lspci -knn | grep ...
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0answers
16 views

Connecting to wifi via a bridged router

I am new to using Ubuntu and am trying to set up a wireless connect to my home network. A little background info: I am using an older desktop with no wifi card. To get online, I have TP-Link ...
0
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1answer
102 views

MaaS server with local kvm - How to bridge to dhcp interface

I have a MaaS server, it has two network interfaces. One external eth0, and one for the internal network eth1(Nodes network). eth1 is where the DNS and dhcp server managed interface. I want a mix of ...
0
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1answer
283 views

VirtualBox Ubuntu 14.04 - Bridge adapter not working

I'm having some troubles setting up my network connection using the Bridged Adapter configuration. I'm just starting with Linux and even if I was going through different forum discussions on the web, ...
0
votes
1answer
77 views

Network bridge, 'Waiting for network configuration', Ubuntu 14.04

I'm trying to setup a network bridge in Ubuntu between my ethernet card and a usb-ethernet adapter. When I boot Ubuntu from a USB flash (a real install with GRUB, not Ubuntu-Live) I get the line ...
0
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0answers
103 views

ubuntu 14.04 bridge + bonding (lacp mode)

I am trying to setup a bridged bonded interface and I cannot get it to work. I am able to ping google public server (8.8.8.8) yet I cannot access the internet with firefox. This is weird to me because ...
0
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0answers
47 views

Can I share file on adhoc network?

I've installed vsftpd and samba after that I created an adhoc connectivity on the Ubuntu. Then i got 10.42.0.1 as the host IP. I connect my mac to the Ubuntu adhoc. And when I open ftp://10.42.0.1 ...
0
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1answer
42 views

OpenVPN missing bridge.ko

Installing OpenVPN on a new server following these instructions. I have gotten this working a couple times before but this time I get stuck getting the bridge driver to load. Once the interface file ...
0
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0answers
38 views

Unable to create hotspot in ubuntu 14.04 using bridge mode

sample diagram: Internet ---> ADSL Router ---> (eth0)+----(Ubuntu 14.04 machine)----+(wlan0 :- WIFI-HOTSPOT) ----->| | |----> +(wireless interface of mobile1)---------(mobile1)----------| | |(wlan0 ...
1
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0answers
25 views

Possible to let network-manager indicator display status of bridged network?

For my VM, I set up bridged networking by modifying /etc/networks/interface as below: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback auto eno1 iface eno1 inet ...
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0answers
30 views

Virtualbox and bridge interfaces

I've been playing a little with KVM and the need to configure the bridge and tap interfaces to give access to my VMs. Now with virtualbox I don't understand why I don't see any interfaces (bridge/tap) ...
0
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0answers
25 views

LXC Application container networking ubuntu

My host system is behind a proxy which doesn't allow ICMP. Host has a static ip say 192.168.28.68 what should be the bridge ip configuration for the container? brctl bridge vanishes on reboot, kindly ...
0
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1answer
99 views

OVS - Open vSwitch

I installed OVS and added WLAN0 interface in vSwitch. Its work fine but after reboot PC, linux cannot find WLAN0 interface and cannot connect to access point. Ifconfig cannot show WLAN0. I think ...
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0answers
13 views

How do I fix this bridging of adapters in 14.04 for MAAS deployment?

I need some help with having the network interfaces work as intended. Interestingly enough these steps were taken from Multi Install The adapter names vary some... # This file describes the network ...
2
votes
1answer
110 views

Port forwarding between bridged interfaces

So I have a bunch of bridge interfaces bound with my main ethernet device (em1, blame HP). These serve various LXC containers I have running on my server and easily allows me to access them from other ...
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0answers
206 views

VirtualBox bridged network adapater not working

VirtualBox version: 4.3.34 r104062 I have problems setting up bridged mode in VirtualBox. The host OS is Ubuntu 14.04 and the guest is Kali Linux 2.0. Setting the network adapter to NAT works ...
1
vote
1answer
279 views

Link aggregation on a LXC bridge

I'm working on a server with a number of various interfaces (eth0-3) and I currently just use one for both host traffic and another for my LXC bridges traffic. Since I have a few spare ports just ...
0
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0answers
64 views

Got trouble with Reverse Tether

I was trying reverse tethering in ubuntu 14.04 as describe below: On Linux Computer, setup a bridge: #usb0 is the new network interface #eth0 is the main interface connected to internet (or a ...
1
vote
3answers
5k views

IPv6 does not work over bridge

I installed Ubuntu 14.04 server a week ago. I use it as a virtual machine host (tasksel installed). meaning am running it with kvm + libvirt. I have set up the same bridge I had in 13.10. auto p4p1 ...
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0answers
67 views

How to use bondend NIC (LAG) with MaaS

I am trying to understand if there is a way to bond NIC's inside the MAAS interface for the system setup.
5
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4answers
2k views

Switching Juju lxc bridge

I've set up Juju running in LXC, and I'm attempting to expose it to the internal network. I'm generally following this question to point lxc to my existing bridge (eth-br0). I've edited ...
0
votes
1answer
37 views

KVM Bridged network not working for 2 guests

I have a bridged network setup and working, following the guides https://help.ubuntu.com/community/KVM/Installation and https://help.ubuntu.com/community/KVM/Networking My setup is similar to ...
3
votes
2answers
1k views

How to bridge a wireless interface with another wireless interface (both on the same computer)?

Ubuntu 14.04 Basically I am trying to accomplish the following setup - wireless internet ---> wlan0 of Ubuntu computer "bridged to" wlan1 of same Ubuntu computer ---> device with wifi The reason ...
0
votes
1answer
25 views

How to use Ubuntu for load sharing with multiple NICs

This situation is currently theoretical (but may become very real very soon if there is a good solution). I have a server running Ubuntu Server that has 5 NICs (1 onboard, 4 expansion cards). I have ...
0
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0answers
88 views

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 ...
0
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0answers
41 views

portable wifi device issue

i need some help with device " DG-WN3300N from DIGISOL " , with this device i am unable to share my ethernet internet , any idea /guidelines what i have to do to share my usb ethernet network via ...
0
votes
1answer
35 views

Why doesn't wlan0 get added to the Ethernet bridge at boot?

I've got a headless Ubuntu box that I'm using as a router+switch+WAP. It's got two Ethernet ports and a Wi-Fi card. eth0 goes upstream (it's connected to a modem, which is connected to a wall jack); ...
0
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0answers
195 views

Creating an ethernet bridge between a windows 7 laptop and an offline Ubuntu PC

I have been trying to get internet to my Ubunutu PC to download packages I've been needing for awhile. I tried with an edimax usb wifi antenna, but the install cd required several packages for me to ...
-1
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1answer
153 views

Virbr0 in virt-manager is deleted

I installed virt-manager on ubuntu 14.0.4 and installed a VM with linux ubuntu trusty. But unfortunately i deleted Virbr0. Now the machine wont work, and ifconfig on host machine does not list virbr0 ...
0
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0answers
86 views

How to configure in hamachi forwarding between ham0 and eth0?

I have 2 computers with Windows and Ubuntu. Hamachi is on both of them. From windows i can ping ubuntu computer using hamachi ip, but from Ubuntu i can't. I tried to configure forwarding between ham0 ...
0
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0answers
57 views

usb0 networking route randomly disappearing on 14.04 PC, connected to Beaglebone w/ Ubuntu-armhf

Let me rephrase that: seemingly randomly. So I have a PC and a Beaglebone Black. The PC is running Ubuntu 14.04 and the Beaglebone Ubuntu-armhf. With the help of the following (well structured, I ...
0
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0answers
39 views

Replicate Network Interfaces with Network Manager

I would like to replicate this segment from my /etc/network/interfaces Xen installation with the Network Manager GUI and NOT bridge-utils: auto lo iface lo inet loopback auto eth0 ...
0
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0answers
29 views

Firefox will not open with Open VSwitch Installed

I am following along with the Xen installation files from Ubuntu: https://help.ubuntu.com/community/Xen When I try to set up Open VSwitch, I noticed I permanently lose the ability to open Firefox ...
3
votes
2answers
8k views

Bridging: Loosing WLAN network connection with 4addr on option - Why?

Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And ...
0
votes
1answer
295 views

How to connect to two VPNs at the same time?

At my university, I have to connect to the local VPN in order to be able to connect to the Internet, at the same time, I want to connect to another VPN. What should I do?
0
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0answers
19 views

guest networking

I am trying to set up a guest network. I'm with ATT-Uverse with a 3801HGV modem/router. For the guest network, I added a D-Link DI-634M via cable. Unfortunately, the connection to this network keeps ...
1
vote
1answer
544 views

Directory “/proc/sys/net/bridge” missing

I upgraded my Trusty to Linux 3.19 and the directory /proc/sys/net/bridge disappeared. What's going on? My bridge exist, I can see it through brctl show but, where is the directory under /proc? If I ...
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0answers
338 views

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 ...
0
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0answers
33 views

Create bridge in Ubuntu 14.04 and greater?

Is there a way to create a network bridge in Ubuntu to do the follwing: Use Wireless to connect to main router (with DHCP server and internet accesss) Use LAN to connect a second ...
0
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0answers
33 views

Open NAT with ICS

I've been trying for days to achieve an open NAT with ICS ubuntu 14, It is open when I use windows 8 to bridge but I wish to move over to ubuntu but this is stopping me connecting to friends online ...
1
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0answers
47 views

How to create local DHCP server to give addresses to bridge ports?

How to create and setup local DHCP server(dnsmasq) via terminal to give addresses to bridge ports? For example I have bridge br0 and need to give some address to tap interface that connected to br0. ...
1
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0answers
719 views

bridge vs iptables vs route?

iptables vs bridge-utils vs route I have two network cards in a Linux server and don't know how to make them communicate. After searching a lot I still don't know which method is the one that should ...