Ubuntu Networking :: Connecting To Internet Through Network Bridge
Nov 13, 2010
I setup a network bridge on pc A, with windows 7 installed on it, using windows default bridging tool. I connected computer B to computer A and Im trying to connect to the internet through the network bridge on computer A. Computer B (client) has two OS's installed, win XP and linux(tried with different distributions, didnt work). On windows XP everything is working, when i try to ping the router (after computer A) it also responds. On linux system nothing is working, and im not quite sure why.
I set up linux to receive IP adress from DHCP, which is router in this case (behind computer A), same way windows XP was configured. I decided to ask here, because I couldn't find anything on the net. My guess is windows-made bridge supports only windows-OS's but that would be kind of strange (its just a software bridge).
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Dec 8, 2008
I want to set up a bridge using bridge-utils within /etc/network/interfaces like is shown here in this guide: [URL] The problem is that, at the same time, I want eth0 to have a specific static IP address. Right now I have a configuration for eth0. This guide tells me that I should not configure eth0 outside of the br0 configuration.
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Jul 20, 2010
I have an iBook G4 running Debian Lenny. I was wondering, is there anyway to connect to the internet while on a Windows network at school over Ethernet using smbclient? I have both GNOME 2.22 and LXDE .5 on the machine.
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Jun 10, 2010
I just installed Ubuntu server edition on to an old Dell desktop. The only problem is that I can't get the Internet to work. I have tried the following and I guess it doesn't work:
Code:
sudo ifconfig eth0 192.168.1.52/24 up
sudo route add default gw 192.168.1.1
Each of those commands don't give me any error and it would seem like everything works fine, until I try to ping google or any website and I get an error that tells me that no host was found. I am using version 10.04 of Ubuntu server.
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Jul 9, 2011
I have a wireless router, but my desktop computer is connecting to it, or maybe to the modem, by an Ethernet cable. It has a built-in wireless card, so just as an experiment, I tried to connect to my network wirelessly. It didn't work. And not only did I not get any internet connection, I can't get any internet through the wired connection either. The internet works fine with Windows Vista (I'm dual-booting), as well as when I boot up Backtrack off of a Live DVD. I can still access my router's config page by going to 192.168.2.1 on a web browser, but I can't access anything else.
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Nov 17, 2009
I`ve got a network (192.168.1.0/24)with common internet gateway (gw 192.168.1.253).Everything works good and i have access to i-net through 192.168.1.253 from all loacl machines. Then I tried to make and internal server as a firewall for local subnetwork. It is CentOS 5.3 based.
Code:
[root@router etc]# uname -a
Linux router 2.6.9-89.0.16.EL #1 Tue Nov 3 17:15:02 EST 2009 i686 i686 i386 GNU/Linux
[code]...
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Feb 25, 2011
I'm on opensuse 11.4 (11.3 won't work with my monitor).
My computer gets internet through wireless and I want to share that internet through its ethernet port. So far I've tried using Knetworkmanager to create a network bridge between my wireless and wired connections. I created a new wired connection and shared it using the ip address settings. I was able to get both connections active, but the device hooked up via ethernet had no internet connectivity.
I also tried this command:
echo 1 > /proc/sys/net/ipv4/ip_forward
but another test resulted in the same fashion (no internet on wired). I believe anything I add to /proc should have an immediate effect, correct?
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Mar 12, 2011
I have installed opensuse 11.4 xen on a HP ML115 G5 AMD Opteron server, which previously hosted a fully working opensuse 11.3 xen. The problem seems to be that br0 is not showing as a bridge device in network settings. When I first installed opensuse 11.4 networking was available via dhcp, I then installed the xen tools and answered the prompt to create a bridge, it was only when I re-booted the system that I lost my network connection.
Going back into network settings I compared the settings to an existing working opensuse 11.3 xen install that I have and noticed that br0 is not showing as a bridge device in network settings so cannot be selected, in fact no bridged devices are shown.
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Feb 9, 2010
I just installed Ubuntu 9.10 and its great. However when I connect to the internet at home it shows that the connection has been established but I still cant connect to the internet. My flatmates are all able to connect. However, I am able to connect from work both wirelessly and through an ethernet cable.
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Jun 19, 2011
I have an adsl modem acting as a bridge to my router my setup was working well for more than year now , but then the internet went slow . I set the modem back to PPPoE the problem was with the DNS server of the ISP so using ifup i set the dns t 8.8.8.8 (google) the connection is back , but when i set the modem back as a bridge slow internet does the router know that my dns is 8.8.8.8 or i should set the dns on the router ? I can't see an option to set the dns on the router ( i just enter my username and password from the isp to use PPPoE mode ) by the way i called the isp support they kept telling me to restart , i told them i did but i never restarted my pc . I'm sure if i tell them i'm running linux they will blame the os !
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Jul 3, 2009
I want to connect my dataone broadband connection in bridge mode in fedora 7. As i am currently using a bridge connection through this modem (smartAX MT882) in win XP, i want a bridge connection in fedora 7 too to access the internet from linux. I have gone through some forums discussing this issue. somewhere i have found the option "adsl - setup" and tried it in my fedora 7. But it is showing the message "adsl- command not found" on this issue. I need a detail step by step procedure for brigde connection using datone in fedora 7.
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Feb 27, 2010
What I am trying to do: bridge 2 NICs in my linux box eth0 connects to linsys router (which in turn connects to internet) eth1 connects to Xbox 360
What I did:
Code:
ifconfig eth0 0.0.0.0
ifconfig eth1 0.0.0.0
brctl addbr br0
brctl addif eth0
brctl addif eth1
[Code]...
I'm sure this is a bridging issue and there is just some option I'm not setting correctly. Also, the reason I'm connecting the Xbox 360 directly to the linux box and not to the router is for traffic monitoring purposes. Note that all connections and functionality work perfectly when the Xbox IS connected through the router.
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Jun 18, 2009
having trouble connecting to many websites due to recent actions of the Iranian government on banning a lot of websites.That's why, I decided to make my computer act like a bridge for their computers, so that they can surf the web using my Internet connection in US. I have Arch linux running on my desktop. I tried to install OpenVPN based on the instructions at ArchWiki page, but I had no success. I guess OpenVPN is too much for what I want to achieve and ArchLinux repositories don't have all the necessary packages to configure it based on some posts I read.
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Aug 22, 2010
I've currently got a Xen box with 3 Virtual machines on it, in a routed setup. I'd like to put them all on a private internal network as well, which I'm assuming I'd do with a dummy network card and a xen bridge, but I can't find any information about setting up the xen Bridging setup on top of the existing network-route instlal.
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Nov 24, 2010
My Laptop can Connect to my wireless modem device, but I don't know How can I connect to internet (ADSL) by My laptop (Bridge)?
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Jul 29, 2011
How do I setup a network bridge in Linux (Ubuntu)? I want to use my computer as a "router" for my Xbox 360.
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May 3, 2010
I am running ubuntu 9.10 on a dell xps m1530 laptop dual booting with windows 7. I am trying to achieve the following setup.
Wireless router <=========> Laptop <-----> Switch <-----> PS3
---- wired
==== wireless
Both laptop and ps3 have static ip addresses
The reason for this is I can connect to the internet on my ps3 through my laptop, and I can stream from my laptop to ps3 through wired connection. This works fine in windows 7 all I had to do was right click bridge connections. As I dual boot I don't want to have to make any changes to the settings on the ps3.
My interfaces are:
eth0 - wired
wlan0 - wireless
I installed bridge-utils and created a bridge and added both eth0 and wlan0 to it. However I could not get it to work. I have also tried internet sharing through network manager and firestarter.
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Apr 7, 2010
I have installed CentOs 5.4 for Snort sensor , on the location where i intend to place the Snort sensor to listen for internal firewall leg (LAN) the switch doesn't support port mirror so i would like to create with 2 nic's bridge and pass trough the firewall internal leg my question how do i set such configuration.
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Jun 24, 2011
After a recent installation and update I am having problems connecting to the internet even after following the steps in [URL]... Configure a network card in Suse/openSUSE...." It doesn't always connect when I boot and there is no connection icon on the panel nor the KDE desktop. Can someone assist me with this problem?
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Apr 26, 2011
I am trying to set up a network like this:
Internet <---> Router <---> Debian server <---> Windows PC
I want the server and PC to both have internet access, and I want to be able to forward ports from the router to the server. I know how to configure the server to give the PC internet access, but how would I assign an IP address to the server and give it internet access? I have used a very similar setup a few years ago, but I can't remember how to do this.
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Oct 27, 2010
I followed this tutorial => https://help.ubuntu.com/community/OpenVPN
I'm working on ubuntu 10.10 OS
So everything is ok when i start the tutorial with my interface on code...
The only way I can make it work again is by setting the interfaces back to
auto lo
iface lo inet loopback
>> then reboot
and after that put back the br0 settings in the interfaces en restart the network.
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Nov 5, 2009
How do I configure a network bridge to start on boot?
I have two network interfaces eth0 and eth1.
Here is my current network script configuration:
Code:
#/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
TYPE=Ethernet
HWADDR=00:10:18:4e:5e:a7
[Code]....
The bridge will come up if I restart the network service after boot....but it won't automatically come up when the computer starts.
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Nov 18, 2009
I am trying to set up bridge, and everything seems to be ok, except 1 thing, it disappears after reboot. So, what I am doing:
Code:
brctl addbr br0
brctl addif br0 eth0
and adding /etc/sysconfig/network-scripts/ifcfg-br0, here it is:
Code:
GATEWAY=192.168.1.1
DEVICE=br0
BOOTPROTO=none
NETMASK=255.255.255.0
DNS1=208.67.222.222
DNS2=208.67.220.220
TYPE=bridge
HWADDR=00:18:f3:75:18:78
IPADDR=192.168.1.3
IPV6INIT=no
ONBOOT=yes
USERCTL=no
and my ifcfg-eth0 is:
Code:
GATEWAY=192.168.1.1
DEVICE=eth0
BOOTPROTO=none
NETMASK=255.255.255.0
DNS1=208.67.222.222
DNS2=208.67.220.220
TYPE=bridge
HWADDR=00:18:f3:75:18:78
IPADDR=192.168.1.3
IPV6INIT=no
ONBOOT=yes
USERCTL=no
How to make it working after reboot?
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Jan 19, 2010
I'm running Ubuntu 9.10 Live CD and I can't connect to the internet. I click on System --> Preferences --> Network connections and under the tab DSL I click Add. After i fill the information I click to connect to the new connection and after a while it shows me a baloon which says "Wired network: Disconnected - you are now offline".
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Jan 18, 2011
I set up a bridge device but I can not figure out how to pass parameters into the ifcfg-vmbr0 in particular I need to pass:
maxage
ageing
fd and stp seems to be passed by DELAY=0 and STP=on the others? I have not found anything in the post, tips, docs how could I do?
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Mar 31, 2011
I would like to connect a PC (it has no white IP) through Internet. It's possible to create tunnel with SSH, but I need more easy way. May be there is some service exists (like TeamViewer), so people can just run simple command on that PC?
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Aug 16, 2010
Am not able to browse on Linux 5.please provide me step by step procedure to config internet on my Linux 5
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Jan 22, 2010
I have a problem which is connecting automatically to my spwireless. On my windows, my schools provide me the disc which contains several .cer files and a automated batch files to copy the .cer files to the root folders. I can choose to use the other network but in using that, i have to manually connect compared to using the spwireless. Anyway, my problem is that, how do i add the .cer files and to where so when i connect to the network it will look there for the cert. Because when i manually connect, only one cer can be chosen.
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Feb 21, 2010
I have a problem connecting to the internet using Ubuntu 9.10 . But the same works fine in Ubuntu 9.04.. First I thought it was my hardware problem and asked my friend(also was using ubuntu 9.04) to try ubuntu 9.10 but he too failed to connect....
I have an wired ADSL Modem given by my Service Provider. When I switch on my modem the router gets connected but it cannot connect me to internet...
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Jun 19, 2010
Whenever i used to setup a new connection in Windows it would just ask me User name and password here i need to fill up something called as "Gateway" !? The connection won't be accepted unless i fill up something in there... So, what do i put in there? I'm on a LAN of 3 computers connected with a router.The router takes one wire as input from the modem(cable).
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