0
votes
1answer
40 views

Bridge Ethernet and Firewire

I'm trying to connection between my eth0 and firewire0 interfaces on an Ubuntu 12.04 server. I tried using brctrl, but it apparently doesn't support firewire: samuelwn@master:~$ sudo brctl addif br0 ...
3
votes
3answers
231 views

Create “virtual” LAN on laptop (not VLAN)

I'm running a number of virtual machines on a Ubuntu 12.04 host. For various reasons all these VMs need fixed IP addresses. The laptop in question is used for demonstrations -- and this is where the ...
0
votes
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 ...
0
votes
0answers
55 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 ...
0
votes
0answers
96 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 ...
3
votes
1answer
91 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 ...
1
vote
0answers
57 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 ...
0
votes
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 ...
0
votes
1answer
35 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 ...
0
votes
1answer
53 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 ...
0
votes
0answers
73 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 ...
1
vote
2answers
210 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 ...
0
votes
0answers
75 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 ...
0
votes
0answers
69 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 ...
0
votes
0answers
663 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 ...
0
votes
0answers
35 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 ...
0
votes
0answers
338 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 ...
0
votes
0answers
97 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 ...
1
vote
0answers
534 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
vote
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 ...
1
vote
1answer
259 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
vote
2answers
1k 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 ...
1
vote
1answer
13k 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?
0
votes
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 ...
0
votes
0answers
281 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
votes
0answers
628 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 ...
1
vote
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) ...
2
votes
0answers
45 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
votes
1answer
754 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
votes
1answer
324 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 ...
1
vote
2answers
3k 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
votes
1answer
281 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
635 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 ...
2
votes
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 ...
0
votes
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: ...
0
votes
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 ...
2
votes
1answer
2k 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
votes
1answer
419 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 ...
2
votes
2answers
4k 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 ...
11
votes
2answers
3k 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 ...
1
vote
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
295 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 ...
9
votes
3answers
22k 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 : ...
6
votes
1answer
3k 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
votes
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 ...
0
votes
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, ...
2
votes
2answers
3k 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
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
1k views

creating wifi hotspot for Galaxy note

I follow the steps mentioned in many blog but my wifi AP is not scanned by my phone. My system config:- Ubuntu 11.10 64-bit 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) ...
1
vote
2answers
3k views

Bridge/route a wireless connection

I was trying to follow this guide: https://help.ubuntu.com/community/EasyWirelessToWiredConnectionSharing but it does'nt seem to be upgraded. The dhcpd.conf file is in /etc/dhcp and not in /etc/dhcp3. ...