Debian Configuration :: Bridge Wireless And Wired Connections?
May 17, 2011
I'm trying to bridge connections between a wired and a wireless connection in one of my computers. I was told it was impossible due to low-level limitations in the wireless subsystem, but apparently theres a way if you somehow forward packets from one port to the other. Is there a way I can achieve this?
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May 29, 2009
My current network setup at home is all wired, and that's worked for me so far. Now I want to set up a wireless connection on my Linux box that I can connect to with both my laptop and my Nintendo DS. I'd like to be able to host a wireless network from the Linux box, connect to it with some other wireless device, and have the wireless device communicate with the router, the internet, and other computers on the wired network. I have the wired network set up (statically configured) as eth0. Other network adapters present on the system are eth1 (not in use) and wlan0, wlan1, and wlan2 (identical cards, remnants from the last time I experimented with wireless).
So I guess my question comes in two parts:
1) How do I set up wlan0 such that it can host? Is Ad-hoc mode okay for this, or do I need to set it up in Master mode?
2) How do I forward connections between the wireless net and the router?
Note that I will be using WEP, as it is all that the NDS supports. I'd like to set up MAC filtering as well, but not until after I get something that works.
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Jan 30, 2011
[PC]--(wire)--[Router1]--(wire)--[Laptop]==(wireless)==[Router2]::[Internet]
My setup is above, I hope it comes out OK on this forum, and someone can understand what its supposed to be! My problem is I am not sure how to get [PC] to be able to see [Internet]. From [Laptop] I can get both networks to work, and have tried using brctl to bridge them, but as soon as I do "ifconfig br0 up" neither network... works anymore (cant ping either router).
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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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Feb 7, 2011
I installed Debian 6.0 on my hp dv400 laptop, Ive been using linux ubuntu for a while now and my wireless card has always been picked up but after isntalling Debian its not working. This is what I have. Also I cant seem to install awn for some reason.
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04)
00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 04)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4)
00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 04)
00:1e.3 Modem: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller (rev 04)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 04)
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04)
06:05.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05)
06:06.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
06:06.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 Host Controller
06:06.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller
06:06.4 SD Host controller: Texas Instruments PCI6411/6421/6611/6621/7411/7421/7611/7621 Secure Digital Controller
06:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
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May 31, 2011
I remember that I did configure my desktop PC for wired and wireless connections since openSUSE 11.2, 11.3 and 11.4. Currently I have openSUSE11.4 x86_64 KDE. Today I happen to notice that the icon for NetworkManager in the taskbar has been replaced with a red X. I discovered that Network Manager only shows VPN tab, whereas Wired and Wireless tabs are greyed out. The strange thing is I still have Internet connection with the CAT5 cable being plugged in. I can still configure wired and wireless connections via YAST but I cannot fix Network Manager settings.
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Jul 24, 2011
I am still a noob with linux and debian in particular. I do some android development so through that I have learned a little bit about linux but only the basic command prompt commands and the basics of how linux works and such.Anyways, I was looking around on the forum and on other forums and I couldn't find any helpful information about how to set up wireless connections (such as wifi) on debian. When I installed debian on my computer it asked me for the ipw2200 files and I didn't have them at the time but now I have the latest framework files for that, I don't really know how to install them and after I install them I don't know how to turn on my wireless connections from there.
I am really sorry if someone already made a post on this subject and I am just too clutzy to find it, if that's the case please just post the link to that thread for me cause I'm dumb as crap.So basically the main problem I am trying to fix right now is that I cannot get my internet to work on my old dell inspiron 6000 laptop which I am trying to get to run debian.
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Jul 8, 2010
New to ubuntu, my wired and wireless connection doesn't work.
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Dec 10, 2010
Running Ubuntu 10.10 on a Dell 710m. Fresh install of OS yesterday. Initially I had wired connection but no wireless. So I started chasing threads & trying different downloads & commands [WITHOUT KNOWING essentially what I was doing; throw your rocks at me HERE] & now I have lost the wired connection also.
Also:
[a] If I go into System > Administration > Additional Drivers, I get "No proprietary drivers are in use on this system."
[b] As far as being able to copy a downloaded driver [using a working M$oft machine with net connection] onto an SD card & transferring that driver to the Dell laptop, I have tried formatting 3 different SD cards with the Dell, & each time I come up with various failure errors--& I have no idea why something as simple as formatting an SD card isn't working.
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Jul 20, 2011
Just had an issue crop up where connecting wired network seems to stop wireless connections from getting an IP (happens on multiple networks both while the cable is plugged in and once it's been unplugged; also persists across reboots). Machine is a Dell Latitude 2120n with UnionFS running. Connection was working fine prior to the wired connection
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Aug 20, 2011
An half year ago i reinstalled ubuntu 10.04, there both were no wired and no wireless connections.I have found drivers and it's everything ok with wireless, but i can't connect through LAN.
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Apr 25, 2016
I have got a debian (v3.16.7-ckt25-2) for server (without X). There is a br0 bridge connected to eth0 network device. It works fine when I start it manually by
Code: Select all# ifup br0 but I cannot start automatically at startup.
there was a missing line in /etc/network/interfaces:Code: Select allauto br0
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May 2, 2010
My connection manager shows wired connections and shows wireless as being disabled. here is some terminal info getting wireless going?
Here is a bunch of things I have tried and the results.
nixon@nixon-desktop:~$ sudo ifup wlan0
Ignoring unknown interface wlan0=wlan0.
nixon@nixon-desktop:~$ sudo ifdown wlan0
ifdown: interface wlan0 not configured
[Code].....
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Apr 9, 2011
I have two ethernet NIC's on my debian server. One built-in Realtek [eth0] (attached to internet), and a PCI Nvidia ethernet card [eth1] (attached to my Win7 netbook). I used this guide to setup the bridge: url. It worked when I was behind a router. But when I moved the computer in front of the router, to direct connect to the internet, the internet stopped functioning on any device that I plug into my Nvidia NIC. The name of my bridge is 'br0'. Does anyone know how to fix it, so I can route the internet to my second NIC?
My Win7 netbook displays this at an 'ipconfig' command:
Windows IP Configuration
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix:
Link-local IPv6 Address.....: fe80::143e:4cab:f802:8611%12
Autoconfiguration IPv4 Address..: 169.254.134.17
Subnet Mask.......:255.255.0.0
Default Gateway......:
My Debian interfaces file:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo br0
iface lo inet loopback
# Set up interfaces manually, avoiding conflicts with, e.g., network manager
iface eth0 inet manual
iface eth1 inet manual
# Bridge setup
iface br0 inet dhcp
bridge_ports eth0 eth1
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Apr 1, 2011
I have a debian squeeze box with dual NICs that I'm trying to configure with two virtual hosts. I'd like to have one of these machines act as a router for the 2nd NIC so I can plug in a switch and have a separate subnet.
Something like:
- Openwrt router 192.168.1.1 (firewall/vpn/stats for 192.168.1.0/24 domain)
- KVM machine with 2 NICs (192.168.1.2)
- Virtual machine #1 has a fixed IP of 192.168.1.3 (virtual nic)
- Virtual machine #2 has a fixed IP of 192.168.1.4 (virtual nic) but also controls the 2nd nic and routes 192.168.80.0/24
I'd like to use the 192.168.80.0/24 network for testing equipment without poisoning my existing network.
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Jan 18, 2016
I am very new to linux.I have a network camera which only has an Ethernet port but no WiFi. Sadly no Ethernet port is available close to the camera.
Therefore I now bought a raspberry pi and installed raspbian to create a bridge into the wireless network, for connecting the camera to the internet.I now played around with the interface- and bridge configuration but I have problems with it.This is how my interfaces file looks like:
(The WiFi is secured with WPA2 Enterprise)
Code: Select all# interfaces(5) file used by ifup(8) and ifdown(8)
# Please note that this file is written to be used with dhcpcd
# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
[code]....
The WiFi is connection works fine and I am in the internet using the WiFi.But I am wondering about eth0. The network parameters I specified are not the same as the parameters ifconfig tells me.Ip, Broadcast, Mask, nothing is as specified.It would be nice to give the camera a static IP that I can access it always with the same IP from the RaspberryPi.The Raspberry Pi itself gets always a new IP from the WiFi network. How do I get the camera into the internet using the existing connection of the Pi?
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Jul 26, 2011
I'm attempting to use a network bridge to connect my virtual machine, like so:
[Code]...
The issue is that when I type the following command, I get the further following horrible error message that doesn't seem to really point me to anywhere and I can't seem to find any relevant information to my problem on the web:
root@darkstacks:~# qemu-system-i386 -hda test.img -m 128 -curses -net nic -net tap,ifname=tap0 warning: could not configure /dev/net/tun: no virtual network emulation
Does anyone have any idea what I need to do here? My processor does not have the vmx flag, as it's a 2.4GHz P4. I don't know if that might have something to do with it.
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Feb 5, 2011
I have a LAN (2 PC !) wire connected and I use a Huawei e182e to join the internet (If you have problem to install the Huawei on Linux, don't install drivers proposed on forums or don't try to unlock it. It's not necessary, simply install a kernel > 2.6.34 and it will install itself as a perfect plug and play). On the unconnected machine, the Internet is accessible normally from the broadband dongle, but the connection stops when I plug the LAN cable. It's normal since the PC cannot use both network connections simultaneously without a previous configuration, and the question is precisely there !
Bridging could be a solution but mobile broadband uses ppp protocol that is not on the same layer as wired LAN. brctl refuses to add the key into the bridge configuration. Vtun seems a better approach since it works more independently from the protocols, but it must be installed on both sides and the broadband dongles does not accept software installation in it. Documentation from Huawei is quite inexistent. Actually the story could be the same for a computer connected to a wired LAN and using a wireless dongle, but here bridging is feasible (not tested by me) because they work on the same layer. I tried to deactivate LAN switching in the BIOS: no result static address with gateway pointing on the other device (I tried everything) no result. How to bridge a ppp dongle with a wired LAN?
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Aug 12, 2009
I'm toying around with ubuntu + LTSP. I've managed to get the computers to boot off the network card "eth0". "eth1" is facing the internet. How would I go about the process to bridge the connections so the ltsp clients can access the net?
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Apr 12, 2011
I am a (somewhat) newbie to Linux (but have an extensive Windows background), and I have just installed Debian Squeeze in an old EeePc 701 4G using the netinst version only with the following packages:
eeepc-acpi-scripts
x-window-manager
gnome-session
gdm
gnome-themes
gnome-themes-extra
plymouth
bridge-utils
Now I would like to install Debian in my main laptop, but I think it won't be able to connect to any wireless networks during setup and before installing firmware-brcm80211 and wireless-tools (its wireless card is a Broadcom 43224AG). That being, and to avoid connecting the computer directly to the router (it is not easy), I would like to bridge the EeePc's wireless connection to my laptop using a cable. I tried using the instructions found at the Debian Wiki, but I couldn't set it up properly.
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Jul 14, 2010
I have ssh installed and running on my laptop(Debian Sequeeze). I can run "ssh localhost" without any problem. But for some reason I cannot connect to it from other computers. They all give "connection timed out". I can connect to these computers`s ssh servers but for some reason my laptop with Debian is not accepting any connections.
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May 1, 2010
I was able to get my wired connection going., but not my wireless. I installed gnome-network-monitor after having jfirst installed network monitor. My two paired blue icons are on top right of my monitor. I don't however have a display of what networks are near. I have lenny. and a pentium 3 soyo MB. I copied the ouptputs from ifconfig and iwconfigI get an error message at boot timepoints me to this link.[URL] I can make message come up, when I do ifup wlan0, but not all the time. I think I have a screenshot, but I have to brush up on how to post that here. Here are my copies of ifconfig first and iwconfig. Also, when i left click on network icon, I only see etho and lo, listed,.
bian:/home/frank# ifconfig
eth0 Link encap:Ethernet HWaddr 00:14:c1:4b:de:3c
inet addr:192.168.1.9 Bcast:192.168.1.255 Mask:255.255.255.0
[code]...
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Sep 29, 2010
I'm trying to setup VNC on our debian server so the boss can remotely do admin stuff from anywhere in the world. the first step is getting it working from anywhere in the room, though. And I can't even seem to get that far.
So far I have a VNC server setup, although not without problems. I downloaded and installed vnc from the vnc site, that wouldn't work because trying to start a vnc server gave this error: "error while loading shared libraries: libstdc++-libc6.2-2.so.3: cannot open shared object file: No such file or directory"
There are lots of results on google for this error, and the solution everywhere seems to be the same. to install the package: libstdc++2.10-glibc2.2
However, trying to install this package in debian fails. both using apt-get and trying to manually download it from packages.debian.org it just doesn't seem to exist.
I've tried tightvnc from the official repositories and it gives the same error, too.
The way I got around that eventually, thanks to another tutorial, was to install the package vnc4server. then run vnc4passwd to create a password. and after that vncserver works fine, or seems to. Creates display 1.
Now, when I'm trying to connect to hostname:1 from another computer in the LAN. It gives error 10061, connection refused. I installed the debian and I don't recall setting it up to refuse connections on port 1. Is there anything I should check or change to allow the connection, or any log file in debian to check and see what's going wrong?
I'm also trying connecting internally via client on the debian machine, but I can't runvncviewer. I get the same missing shared library error as before. I guess I just worked around, not solved it.
I also can't access it with the java viewer. Trying to connect on port 5801 either from the server itself, or from another one on the lan, tells me it's refusing the connection.
To be clear, I'm certain that the vnc server is started. We have working DNS, and trying to connect directly to the internal IP:1 doesn't work either.
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Jul 8, 2011
For some reason my FTP packets are blocked by iptables even though I thought I allowed them through
My syslog errors are along this line:
And my iptables ruleset:
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Jan 31, 2011
A little background: CCNA and A+ I have preformed this task on Cisco routers Linux for 5+ years, mostly with Debian (mostly casual, a few production situations) I need to setup a linux box with Load Balancing over a cable line 8mb down, 1mb up connection and a T1 line. If this isn't possible, at the very least I need Failover (which I have admittedly not researched as fully.) I know Failover is possible, but I would really love to double my upload bandwidth as we host a small website here. Is load balancing over uneven connections possible on Debian?
Side question: If I host a website, when users connect and get responses over 2 Public IP's, what would be the reaction on the users side? Would it get filtered and or blocked by a firewall?
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Apr 3, 2011
I want to limit the amount of connections a user can make outside of the box per user group, should I be doing this via iptables or what? aka:
group1 can only have 2 simultaneous outbound connections
group2 can only have 8
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Apr 23, 2011
My Debian server is used by people to set up ssh-tunnels for use as a local proxy ( on their remote machines).Since only the tunnel is setup, and no shell is used, I can't use "who" to see which users have an active ssh-tunnel on my server, but I would like to have an idea about who is active etc. I think I should be able to determine this from the auth.log file, but then I would have to use some script to determine what connection is still active. Is there an easy way to see what users have active ssh-tunnels on my Debian server at any given moment?
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May 25, 2011
I have exim setup on squeeze to run as an "internet site". Outgoing mail works fine but it seems to just ignore incoming smtp requests on port 25. I can see the incoming connection via tcpdump but exim doesn't seem to talk. If I connect via telnet it rather quickly says connection refused. Is there something additional I need in the Exim conf?
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Jun 9, 2011
I have installed Debian squeeze 6.0.1 using the CD1 of the i686 version (kernel 2.6.32.5) on my compaq presario sr1799es desktop. My machine has a ethernet card RTL8139 (RTL-8139/8139C/8139C+)(it has no wireless card). I can't connect to internet with debian.
I can connect to internet in this machine using windows xp. I also checked with the Puppy linux 5.2.5 version (with kernel 2.6.33.2) using a usb memory and I had success connecting to internet by dhcp. I already checked lots of forums with related questions but I couldn't find a solution for my problem. I'll show you the output of lspci and lsmod !grep 8139 commands:
lspci
00:00.0 Host bridge: ATI Technologies Inc Radeon Xpress 200 Host Bridge (rev 01)
00:02.0 PCI bridge: ATI Technologies Inc RS480 PCI-X Root Port
00:11.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
00:12.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
[code]...
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Mar 15, 2011
I just installed Debian and am getting a problem where I can't open the list of network connections. I can use the network manager applet to connect to wireless networks, but I cannot access the network connections list from there either (right click "edit connections)
I'm not incredibly knowledgeable with Linux, but I tried a few simple things I could think of like reinstalling the packages, or restarting the interfaces. (ifdown/up wlan0)
It's strange, because when I click "network connections," I see it show up for a second on the bottom panel, I get some rotating mouse icon while I wait a few seconds and then if goes away. Is there some kind of logfile that could help me identify the problem?
Using Debian 6 on eeePC1000HEB with Ath9k (i think) wireless card. Net Interface: wlan0
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