Questions about configuring and using bridging interfaces

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Bridged networking in KVM

I'm using ubuntu 10.04 with qemu-kvm installed. I bridged my eth0 to br0. My problem is that The host OS loses connection. Here is my interfaces file auto lo iface lo inet loopback auto eth0 ...
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2answers
201 views

Why do we need an IP address for a bridge?

A bridge is a layer 2 network device. On physical bridges we only have an IP address for operation and maintenance. I'm a little bit confused why we need in KVM an IP address for the bridge. I ...
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2answers
6k views

How to share my mobile broadband connection via Wifi

I am running Ubuntu 12.04 on my laptop having wifi. I have an android tablet which has wifi support. I connect my laptop to the internet through Mobile broadband (reliance netconnect zte modem). I ...
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1answer
90 views

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 ...
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1answer
258 views

Can't connect to site hosted on Ubuntu Server VM

Yesterday I had my Ubuntu Server VM successfully hosting a website that I could access by typing in the IP of the VM (VirtualBox Bridged adapter) in my client's browser. Today I can't access it. I ...
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1answer
51 views

Mysterious multicast packets after bridging a bond0

I've got 2 interfaces eth0 and eth1 in a bonding (mode 4). Now I want working with kvm and let the instances communicate over a bridge br0. Now my config changes. From this...: auto eth0 iface eth0 ...
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1answer
34 views

Bridge wireless connection from OSX 10.8 to Ubuntu 12.04 LTS

I have a Mac running OSX 10.8.2 that is connected to a wireless network. My Ubuntu 12.04 LTS box has no internet capability atm (wired network down). I would like to bridge the connection on my Mac ...
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1answer
51 views

Virtual machine in two subnets

I'm coming from networking where a router/switch has a separate interface for management. Therefore I want to understand how this is implemented for servers/virtualized servers. I have one subnet ...
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1answer
151 views

I want to bridge my ethernet to my wifi, but there is no ethernet port listed. What can I do?

Under Network Connections, I have no "Wired Connection"
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1answer
2k views

Bridging eth0 and vboxnet0 and using ISC DHCP server to provide dynamic IPs

I have Lubuntu 12.04 (64bit) with VirtualBox 4.2 installed and the setup below: eth0 adapter connected to LAN (having static IP 192.168.0.1 and it is the default gateway). ISC DHCP server listening ...
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1answer
749 views

how do I bridge two wired network connections

I have an EVGA 780i SLI motherboard with dual ethernet ports. I was just wondering if there was a way to bridge them like I can in Windows?
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1answer
270 views

How to bridge local (ethernet) ipphone to LAN connected by wifi?

I've got a wifi network providing local services such as PBX, CIFS, etc. It is useful then you do not have ability (or wish) to entangle you room with wires... I'd like to connect some (4 exactly) ...
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1answer
694 views

Getting Xbox Live via a wired network with my laptop that has internet access wirelessly

I'm running the latest version (as of yesterday anyways) of Ubuntu Desktop 64bit, but installed on my laptop if it makes a difference. I had Windows 7 preinstalled when i bought it and it worked fine ...
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1answer
179 views

Ubuntu keeps reconfiguring my network

I'm configuring a "network", between two computers(both with ubuntu 12.04), using a crossover cable and assigning all ips by hand. When I set up an interface, with IP netmask etc, everything works, ...
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1answer
245 views

How to make a LAN connection?

I am using Ubuntu on a virtual machine and I want to acces the internet from ubuntu. I'm having a LAN network on the main computer.
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0answers
76 views

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 ...
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0answers
51 views

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 ...
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0answers
533 views

Bridging Ethernet and Wifi on Ubuntu 12.04

I want to make my Ubuntu machine an access point for my phone. The Ubuntu machine is connected to Gigabit Ethernet. I wish to make my machine a DHCP server for the phone. So now when the phone sends a ...
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0answers
69 views

Networking with two ISP

I'm trying to configure two ISP on different network cards and at the same time to use bridge in order work with virtual machines and KVM. The current network configuration can be seen below: auto lo ...
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0answers
44 views

How to disconnect a networkconnection?

I have a small problem which i liked to be solved. my (Hardware-)configuration: Asus motherboard with 1 connector for ethernet(eth0) PCI network card with 2 connectors for ethernet(eth2 & eth3) ...
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0answers
470 views

How to setup a VPN server from a home network with an Ubuntu server

So here is what I want to do: Set an Ubuntu Desktop box as a media center for my TV. Use the same box as a local network storage. Need to have VPN access to the same box from other outside ...
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0answers
525 views

My TV cannot connect to Media Server Service on Windows7 (DNLA)

Thanks to this article Sharing Connection to other PCs (Via Wired Ethernet) I am able to connect my TV to the internet. But my TV is not able to connect to WMS Windows Media Server running on other ...
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0answers
495 views

Setting up bridge to tun0 (OpenVPN)

I have two networks, with one machine that is supposed to act as bridge between them. The bridge host is a Ubuntu 12.04 (64bit) connecting via OpenVPN to a remote network. The local network is ...
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0answers
148 views

bridge a connection and keep same ip and subnet

I have googled this for a while now but am not able to find answer to this question. I have my xbox bridged to my ubuntu pc. Everything works, maybe just gives an nat error now and then. I want to be ...
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0answers
598 views

Linux bridge (brctl) doesn't forward IP-packets when router is one of the bridge endpoints

I have set up a brctl bridge on Ubuntu with the following deployment: Cisco router - > Linux bridge - > client computer The bridge forwards the following packets types: ARP,STP, but doesn't forward ...
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0answers
17 views

Using server as controlled switch

I have an Ubuntu server with 3 NICs installed. I have two classrooms. I want to control the two classrooms with IPtables separately. My problem is that I can't (bridge eth0 to eth1) and (bridge eth0 ...
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0answers
53 views

Network bridge has no internet access

I have a machine with two network adapters and I want to use it to share its internet connection to an IP phone (because there's only one Cat5 cable available and while the phone has built-in switch ...
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0answers
92 views

how to forward ethernet internet from ubuntu pc via wifi stick to windows 8 laptop

This is my setup: Ubuntu PC connected via Ethernet connection to a LAN that has internet connection has a WIFI stick, (the router does not have WIFI support) Windows 8 Laptop with ONLY WIFI (no ...
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0answers
65 views

Connecting Ubuntu to internet using Windows 8 as bridge?

I have a Dell Inspiron 660s running Windows 8.1, and I just did a full boot of Ubuntu 13.10 onto a Dell Optiplex 330 that was previously running Windows XP. My goal is to connect to the internet by ...
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0answers
38 views

How to bind LXC instance to a virtual interface in Ubuntu 12.04?

I would like to bind my LXC instance to a virtual interface, eth0:1. All the other tutorials/guides I've seen involve setting the main interface to br0, and restarting the networking service, which is ...
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0answers
71 views

KVM and Bridge connection

I have an Ubuntu 12.04 server in a datacenter and it is running KVM. I have virt-manager installed locally on a Macbook Air with parallels. Its installed on Ubuntu 13.10. I have created another ...
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0answers
53 views

Virtualbox Bridge Connection getting disconnected frequently

This is an issue in Oracle Virtualbox running on Ubuntu 12.04. The guest os is ubuntu 11.04 running on Host (ubuntu 12.04). Network Settings -> Network -> Bridged Adapter This network connection ...
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0answers
166 views

does anybody have Ubuntu 13.10 working as a guest with bridged network in Virtualbox 4.3.4 on Windows 7 host?

I have a Ubuntu 13.10 installed as a guest on virtualbox 4.3.4 r91027 on a Windows 7 host. When I use network mode NAT, the ubuntu guest can access the internet. but when I change the networking mode ...
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0answers
73 views

Network bridging and routing

i have a isp. and i have ubuntu server 12.4 with three nic. here eth0 ip is 10.10.10.15 with the gateway 10.10.10.1, eth1 ip is 10.0.0.20 with the gateway 10.0.0.1 and last eth2 my local lan ip ...
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0answers
67 views

configuring containers to use Veth#, bridges and vlans on the server (only)?

I have two groups of lxc contianers on a server and want to isolate their network traffic for security reasons. I will be using port forwarding so the containers much each have separate IP's. I know ...
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0answers
651 views

Virtualbox bridged adapter - only one network interface listed in /etc/network/interfaces

I've been trying to configure another version of linux in virtualbox, and I want to connect it to my network using the bridged adapter option by bridging it to my wifi. Its been taking me a while to ...
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0answers
34 views

Bridged connection from Win8 over ethernet not working

right then, Ive just dont a fresh install on a old laptop and am needing to download the proptirtary drivers to get the wifi card going. So ive set up a Bridged connection from my Win8 laptop over ...
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0answers
332 views

How to assign an address to an LXC container which is in the same subnet as host?

My host has address 192.168.1.222 and I want my LXC container to have address 192.168.1.88. With the veth interface I could only assign an address that's in different subnet, e.g. 192.168.2.88. But ...
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0answers
96 views

how to use usb tethering in ubuntu running pandaboard ,to use internet in host pc?

I have a pandaboard running ubuntu 12.04 LTS. i want to use internet in my host pc through pandaboard by using usb tethering. pandaboard is connected to internet over wifi. i have configured ...
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0answers
111 views

How to automatically bring up interfaces/bridges once they go down in Ubuntu

I have an Ubuntu host. I have installed openvswitch on that. I have created bridges like br-int, br-tun on that. What I observed is that after some time/duration, these bridges does down and I have to ...
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0answers
280 views

Change bridged network interface created by KVM install

I have recently installed Ubuntu 12.04 LTS server and I chose to install Virtual Machine Host as one of the packages during install. The server has an on-board NIC and a PCI NIC and during install, ...
0
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0answers
626 views

Network bridge from Windows 8 wifi to Ubuntu LAN

I have a laptop running Windows 8 which is connected to my network through wifi. My desktop is too far away to reach my router, so connecting directly to it is impossible. My desktop dual-boots ...
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0answers
277 views

Connecting to xbox live on Ubuntu 13.04

I am trying to bridge a network to my xbox so I can connect to xbox live. I've tried following some old posts on how to do this for older versions of Ubuntu, but they don't seem to be successful for ...
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0answers
682 views

setup br100 and nova fixed range ip

This is my situation: An ESXi 5.0 Server (I'm doing a project for my BD); A pool with 2 VM (1 controller node and 1 compute node) Ubuntu 13.04 amd64 Server installed on both VM The controller IP is ...
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0answers
484 views

How to run ip netns on ubuntu 10.04

I'm trying to run ip netns command on ubuntu 10.04 for trying to apply this solution but it doesn't work: Object "netns" is unknown try ip help ip -V command gives me this output: ...
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0answers
101 views

communication between 2 computers and third computer acting as router in the middle

I am conducting an experiment in which I have 2 computers (A and B) running Ubuntu VM and 3rd PC (C) running ubuntu (not a VM). I want to connect them such that I can pass data between A and B via C ...
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0answers
496 views

How do I configure two nics and two gateway?

I have a IBM server x3200 m3 loaded with Ubuntu 10.04 LTS. My problem is my network I have a 2 different gateways: one is VPN static and one is DSL dynamic. The internet runs normally when there is ...