Tagged Questions

Questions about configuring and using bridging interfaces

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0answers
2k 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
40 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 ...
1
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0answers
559 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 ...
1
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0answers
88 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 ...
3
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2answers
911 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 ...
2
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1answer
2k views

lxc container no outgoing traffic

I am trying to setup a lxc container on a ubuntu 13.04 on a linode VPS, but I can't ping anything outside my host. my container network config looks like this: lxc.network.type = veth ...
0
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1answer
350 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"
1
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1answer
314 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 ...
1
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1answer
3k 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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2answers
2k views

How to control the up order of network interfaces?

I have /etc/network/interfaces as follow. Every time the system boots up, the route is wrong so the gateway is not reachable. I'd have to ifdown br0 && ifup br0 to fix the route table and make ...
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1answer
19k views

RTNETLINK answers: file exists - configure interface

Forgive the newbie question. I am trying to setup eth1 in interfaces: however, I am getting: RTNETLINK answers: file exists here are the results of ifconfig: what am i doing wrong?
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0answers
47 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
19 views

Is there a way to use a laptop with a wireless card to bridge connectivity to a computer that only supports Ethernet? [duplicate]

How would I setup my laptop (which obviously has a wireless card) to bridge the internet provided by the wireless to a device (Raspberry Pi) that doesn't have wireless access, through my laptop's ...
2
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0answers
50 views

How do I assign an IP address to an LXC container? [duplicate]

I'm trying to start lxc containers with their own public ip address on the network. This is what I've tried so far: On the host The host machine has an IP address of 192.168.255.254. I added a ...
0
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1answer
1k 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?
0
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1answer
461 views

Can I use my second ethernet port to bridge the first?

For reasons of architectural design and the way people installed the phone lines in the 80s, my desktop and the router are a long way apart. I ran CAT5 out to the desktop and that works great but ...
2
votes
2answers
5k views

After starting a particular LXC container with a static IP, no default gateway route is configured

I've got one LXC container that works just fine, but a 2nd one now is mis-behaving. I've configured a static route for it, but it just won't define a gateway after sudo services networking restart or ...
0
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1answer
366 views

What's the best way to configure the containers to have an IP directly on the LAN

I see that there are a lot of new ease-of-use improvements to LXC in 12.04 & 12.10, and although I see some description to setting up bridged networking such that my containers have their own LAN ...
4
votes
1answer
723 views

How to use VPN over manually set up network bridge (with the primary interface unmanaged by NetworkManager)?

I've set up a network bridge which I'm using to connect KVM virtual machines on my desktop to my home network; I' ve don this the manual way by creating the bridge in /etc/network/interfaces (the way ...
1
vote
1answer
443 views

Why doesn't the nova-cloud-controller charm properly set up openstack networking?

I have an Ubuntu Quantal MAAS server and some computing nodes. I'm trying to set up an OpenStack cloud by following the Ubuntu Cloud Infrastructure walkthrough. Everything looks okay...I can bootstrap ...
0
votes
1answer
317 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) ...
2
votes
1answer
1k views

Bridge connection: Ubuntu keeps modifying routing table

I have set up a bridge connection from my mobile phone connected via USB to my laptop running Ubuntu 12.04 to another computer connected via ethernet cable. The bridge thus connects usb0 and eth0. I ...
2
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0answers
81 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 ...
0
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2answers
4k views

12.04 NetworkManager trying to configure eth0 which is on a bridge

For months I've been running 12.04 headless home server with a bridge connected through eth0. I've been using this /etc/network/interfaces file: auto lo iface lo inet loopback auto br0 iface ...
2
votes
1answer
3k views

Bonding + Bridge : traffic passing through the wrong interface

I'm using Ubuntu server 12.04, on a server with 6 NICs, grouped in 2 bundles : eth0 and eth2 are bundled using bonding mode 1, under interface name bond0 which has IP [network].8 eth1, eth3, eth4 ...
0
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1answer
729 views

How Can I add two Bridged Interfaces on seperate LANS into KVM?

I Currently Have a Running server with multiple KVMs running different Servers within each, now I would like to add another separate interface to serve another group of KVMs on the same server. There ...
1
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0answers
558 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 ...
3
votes
2answers
6k views

How do I set up a xen bridge?

I have been reading various pages on how to set up the network for xen. Unfortunately, none of them actually have a full example config. They clearly show what the xenbr0 section should look like, but ...
1
vote
1answer
618 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 ...
3
votes
2answers
7k 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 ...
1
vote
0answers
588 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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votes
2answers
4k views

How to configure an OpenVPN Client Router

I am attempting to set up an OpenVPN Router so that I may connect my tablet (wireless) and Blu-Ray (wired) to a paid VPN service in another country on Ubuntu 12.10. I have successfully done this using ...
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0answers
155 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 ...
0
votes
1answer
2k views

Setting up Ubuntu Server as a Router with DHCPD and 3 Ethernet devices

My configuration: Ubuntu 12.04 DHCP3-server BIND9 eth0, eth1, eth2 eth0 is the external connection eth1 & eth2 are the internal network eth1 and eth2 are supposed to be seperate ...
0
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1answer
2k views

How to share wired internet connection to wifi (non Adhoc)?

I have a wired interconnection in my ubuntu laptop. I want to share this connection to my Nexus 7. I tried creating a Ad-hoc connection but N7 doesn't recognise ad-hoc wifi. So I found my old wireless ...
0
votes
1answer
1k views

Added a bridge for VM guest, now the host can't access the internet

I've installed KVM and set up bridged networking as per the instructions in this user guide. The guest on the VM seems to be working fine. I can SSH into it and it can ping the outside world. But now ...
0
votes
1answer
799 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 ...
0
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0answers
690 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 ...
0
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1answer
1k views

How to make sysctl network bridge settings persist after a reboot?

I am setting up a notebook for software demo purpose. The machine has 8GB RAM, a Core i7 Intel CPU, a 128GB SSD, and runs Ubuntu 12.04 LTS 64bit. The notebook is used as a KVM host and runs a few KVM ...
1
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0answers
1k views

My laptop can not access internet after setup bridge with wired NIC and wireless NIC [closed]

I setup a bridge using wired NIC and wireless NIC in order to make wireless NIC as a Wi-Fi AP to share wired internet access, after setup successfully, the Wi-Fi AP works as my expectation, but my ...
7
votes
1answer
339 views

I want to use Ubuntu as a firewall and wireless AP, with some external traffic passing through openVPN, and the rest just through a firewall

I would like to do some configuration through Zentyal or a similar setup, but I am also willing to use config files. I am connecting to a commercial VPN using a username and password. I want that ...
10
votes
3answers
32k views

KVM Bridged Network Not Working

I just installed KVM on my Ubuntu Server according to this guide : https://help.ubuntu.com/community/KVM/Installation Then prepared a bridged network as shown in here : ...
1
vote
1answer
883 views

I want to do a bridge between ubuntu and my ps3

Hello I have been trying to put bridge mode on ubuntu basically my setup I've got a router upstairs that I usually get wireless to my laptop which is connected ethernet to my ps3, so my ps3 gets ...
6
votes
1answer
4k views

Why isn't ethernet bridging working with OpenStack?

I'm trying to setup OpenStack with the nova.network.manager.FlatManager network manager which attaches (in my setting) every virtual machine to the br100 network bridge. On my host, I'm using the ...
0
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0answers
550 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: VPN static and the other one is DSL dynamic. The Internet runs normally when there ...
0
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1answer
186 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, ...
3
votes
2answers
4k 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 ...
10
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3answers
36k 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
votes
3answers
1k views

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 ...
1
vote
1answer
12k 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 ...