Questions about configuring and using bridging interfaces

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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 ...
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8 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 ...
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1answer
13 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 ...
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16 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 ...
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11 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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15 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) ...
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10 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 ...
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1answer
33 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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70 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, ...
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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 ...
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1answer
55 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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77 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 ...
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50 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 ...
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45 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 ...
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2answers
583 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 ...
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1answer
22 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 ...
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1answer
34 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 ...
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71 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 ...
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30 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 ...
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1answer
26 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); ...
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136 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 ...
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1answer
98 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 ...
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66 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 ...
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48 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 ...
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35 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 ...
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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 ...
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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 ...
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1answer
399 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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55 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.
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0answers
285 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 ...
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28 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 ...
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31 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 ...
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0answers
45 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. ...
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0answers
109 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 ...
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46 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 ...
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1answer
319 views

DHCP Stopped working over Bonding

Something recent broke DHCP and Bonding. I used to be able to do this: # This file describes the network interfaces available on your system # and how to activate them. For more information, see ...
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1answer
266 views

Ubuntu linking two wireless networks and sharing internet connexion

I must at first say that I'm a total noob regarding networking. I have two wifi adapters (wlan0 and wlan1). wlan0 is connected to a wireless router that is not connected to internet. wlan1 (a long ...
0
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1answer
43 views

configure networkmanager to share internet

I am connected to a WiFi Network with my laptop, now I would like to connect another device at my LAN port, so it can also use the internet connection I got over Wifi How can I configure this in my ...
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1answer
66 views

no network in ubuntu13 when virtal box is configured with bridged adpater

I am using Ubuntu 13 on virtual box with my host being Windows 8. My aim is I want to ping from host to guest or from any physical machine to guest (Ubuntu).I am able to ping from guest to host but ...
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68 views

Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things: such as changing dns to popular public ones with no changes First issue: MTR GUI does not show the ...
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0answers
290 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 ...
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132 views

Is there any way to force an inteface to ignore carrier detection to stay up?

br0 has eth13 and eth0 ensalved to it eth0 is up eht13 is down /opt# ip link show br0 25: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default ...
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1answer
326 views

How does the Linux bridge works when a tap interface is connected

Assume the following scenario: brctl addbr BR0 tunctl -t tap0 brctl addif BRO tap0 brctl addif BRO eth13 ifconfig eth13 promisc up ifconfig tap0 promisc up ifconfig BR0 up Eth13 is connected ...
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1answer
5k views

KVM - Create a virtual machine with 2 bridges interfaces

Can someone please let me know to create a VM using KVM with 2 bridged interfaces. I have a server that has Eth0 and Eth1 configured and connects to 2 separate networks, I'd like to create a VM within ...
0
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1answer
205 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?
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1answer
827 views

OpenVpn bridge problem - Server behind NAT - Client can ping server, default GW but nothing else

first of all, yes I have been searching.. The issue is with setting up OpenVPN in bridged mode on ubuntu Server 12.04. It generally works, I can connect, I get an IP and can ping the OpenVPN server ...
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1answer
60 views

Can see all computers on the networks but can't see each other

I have a windows 7 pro machine (KC-Laptop1) running a bridged network between the wireless corp.local and my wired KC_Computers_LLC.lan and I have my ubuntu 12.04 server (KC-Server1) running on the ...
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1answer
165 views

Long boot time due to “waiting for network configuration” - but network is configured statically

My system has a statically configured network that is fully functional. However, booting needs a long time due to "Waiting for network configuration" messsages. What can be the cause for this? I ...
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1answer
75 views

Looking for network surveillance tool

I sometimes use / test software that cannot be found in the apt tree. The software comes from all over the internet. When executing the software I create an extra user for this particular software and ...
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0answers
337 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 ...