Questions about configuring and using bridging interfaces

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3
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1answer
272 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 ...
2
votes
1answer
172 views

Network Bridge Over a Subnet

I am trying to figure out how to make a flat network by bridging over a subnet using 2 Ubuntu guests so that everything in the other subnets can talk to each other without restriction. Configuration ...
4
votes
0answers
275 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
2
votes
0answers
3k views

network-manager, bridge and vpn

I have a shiny new system with Ubuntu 14.04 and I'm trying to get something configured which I think is reasonably simple: a bridge (br0) for KVM ability to use a VPN network-manager controlling it ...
2
votes
0answers
941 views

Ubuntu 14.04: with bridge on wlan, no internet on kvm guests

I'm trying to be a "high-lander" sticking to KVM plus virt-manager to manage my VMs. But it's about a week I'm around trying to create a bridge that works for using with my VMs. I tried first tried ...
2
votes
0answers
360 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 ...
2
votes
0answers
88 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 ...
1
vote
0answers
55 views

LXD profile. How could it be defined? [SOLVED]

I am not a sysadmin, so I am almost ignorant on this. I have a laptop connected via wlan interface and I want to use lxd containers and the network inside the containers. here https://insights.ubuntu....
1
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0answers
31 views

Error while creating KVM network interface

I am trying to configure a new network interface in the Virtual Machine Manager for the KVM platform. Creating the network interface fails with following error: I am copying the error also ...
1
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0answers
79 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.
1
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0answers
389 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 ...
1
vote
0answers
50 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
vote
0answers
128 views

How can I connect to my virtual machine in a local network?

I have installed Ubuntu Server with a webserver on my mac. When I am home I can reach the webserver with network bridge adapter. But when I go to a local network, I can't see my IP address in Ubuntu ...
1
vote
0answers
51 views

Share internet connection to distribute ubuntu nodes sitting behind master

I'm working on setting up a 20 node distributed system. The data nodes are hp Compaq 6500 pc's running Ubuntu 12.4.5. The master is connected to the internet and I've configured the IP's of the nodes ...
1
vote
0answers
400 views

KVM: Multiple bridges over single NIC

In my KVM host (Ubuntu 14.04 LTS) I want to setup one private network for the guests with static IP and internet access. Host is on a remote machine. I've the following configuration in the etc/...
1
vote
0answers
469 views

Bridging two networks: access to bridge slow and unreliable

I have a LAN that connects local computers, and in addition I have a dedicated connection to an overseas network with a static IP address assigned for my use. An ubuntu (14.04.01LTS) box with two ...
1
vote
0answers
213 views

Correct way to create VLAN and Bridges on Ubuntu14.04?

When I tried to create VLANs and Bridges on Ubuntu 14.04 as following, network connection is always lost on it, what's the problem? Note that the if I only set em1(no em1.100, cloudbr0 and cloudbr1) ...
1
vote
0answers
789 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 ...
1
vote
0answers
3k views

LXC container no outgoing traffic with bridged network and public IP address

I try to setup a LXC container with bridged network on ubuntu 14.04.1, but the outgoing traffic seems to be blocked. Ping another IP than the container's one is not working. Actually I tried this with ...
1
vote
0answers
26 views

Can we add ports to OVS AFTER the VM is created?

I wanted to write up a program where I can create VMs first using libvirt. Initially they would not be added to any network. Then I want them to be attached to an OVS bridge where I can specify the ...
1
vote
0answers
5k views

Creating bridge from wlan to ethernet

I know there is lot of threads about bridges and how to make them and manage them but still i haven't reached a goal. So i need bridge between wlan and ethernet but mean while i need connect to ...
1
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0answers
177 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
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0answers
12 views

VirtualBox inside LXD cannot communicate with LXD's host

I am running an Ubuntu server (server-box), which isrunning an LXD container (lxd-box), and LXD is using an ethernet bridge which I set up using this guide. lxd-box is running an instance of ...
0
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0answers
13 views

VirtualBox: No IPv6 in Ubuntu guest (Win10 host)

I'm using VirtualBox with Windows 10 as host and Ubuntu 16.04 as guest. In general it's all working well but a test for IPv6 connection tells me that I can't connect to IPv6 sites, leading to some ...
0
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0answers
16 views

Unable to access network in the KVM guest

I am working on a Ubuntu 14.04LTS server. I installed KVM according to the guide https://help.ubuntu.com/community/KVM/Installation Created a bridge according to https://wiki.ubuntu.com/...
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0answers
17 views

How to find IP addresses of devices connected to a bridge?

I have created a bridge name called 'mybridge'. I have added some devices to mybridge. Now how to get IP addresses of the devices connected to this mybridge?
0
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0answers
13 views

Tool to generate multiple FIB entries on multiple NICs

Lets assume: I have 4 NICs on my Desktop. I have IP_Forwarding enabled. Using any OS: Generally, I have ONE routing table. This is provided in the FIB entries, and is used by all the 4 NICs. Just for ...
0
votes
0answers
146 views

Bridge/networking/LXD/emby server configuration trouble

It is not exactly clear to me how to google this question, so please forgive me if this is answered before or related to something else answered before. The symptoms: On boot there is no Internet ...
0
votes
0answers
94 views

OpenVPN server setup on 16.04

I'm trying to setup an OpenVPN server on my Raspberry Pi 2, running Ubuntu 16.04. I'm following the official Ubuntu documentation from this page. I've got the basic setup working, and I'm now trying ...
0
votes
0answers
42 views

Network Stops Working After Several Minutes - Ubuntu Guest on Workstation

I have an Ubuntu 14.04.4 guest OS running in Workstation 10. The network connection is defined as bridged. The issue that I have is that the network stops responding after a while (it can work ...
0
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0answers
115 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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0answers
21 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 TL-...
0
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0answers
206 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
votes
0answers
54 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
votes
0answers
53 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 :-...
0
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0answers
45 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 ...
0
votes
0answers
35 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
votes
0answers
32 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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0answers
15 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 ...
0
votes
0answers
271 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 ...
0
votes
0answers
84 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 ...
0
votes
0answers
49 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
0answers
220 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 ...
0
votes
0answers
101 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
votes
0answers
63 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
40 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
32 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 ...
0
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0answers
1k 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
20 views

Difference between bridge connection & NAT

I have a serious issue with ubuntu server opened up in oracle virtual box The problem is if i choose NAT then I'm able to ping & download updates using command but not able to access ip address ...
-1
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0answers
13 views

Network Adapter type causing trouble

if i choose network adapter type as Intel PRO/1000 MT Desktop then I don't get ip address & when i choose other network adapter then ip is shown but the server is unable to receive internet, to ...