Fedora Networking :: Bridging NICs - When Use Brctl Command - Create A Bridge It Doesn't Let Add Wireless Card

Jul 9, 2010

I want to connect my modem straight to my fedora 13 box, using it as a firewall, and I want to use my wireless card to set up an ad-hoc to give internet to the windows computers in my house. My router has been messing up and I am trying to create a quick fix until I can solve the problem.

My eth0 has internet connectivity but when I use the brctl command to try to create a bridge it doesn't let me add my wireless card, wlan0, and also I lose internet while my eth0 is in a bridge. I am fairly new to Linux.

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Networking :: Two Nics Setup With No Bridging But Still Seem To Bridge?

Jun 29, 2010

I'm trying to setup a Centos box to act as a backup server for our intranet between stores. I have two interfaces in it, the first one is currently connected to my local network and is using dhcp to get its ip address and such, the second one is set to a static ip address and is connected to an independent network that just has a DigiBoard Portserver hooked to it and no connection to the regular network. What I am doing is using ssh to portforward the telnet port on this box to the main server so when you telnet into the box from the second interface using the portserver you get connected to the main server.

I plan on using this over DSL lines as a backup when our main dervice goes out to allow the portservers at the remote locations to seemlessly connect to the main server by just moving the network cable from the local net to the backup server. My problem is that when I have the everything working I am able to ping the second interface ip address from the normal network even though the secondary card does not in anyway externally connect to the network, this is a problem.

Eventually I want to duplicate the main server address so that the normal portservers and other terminals on the remote site will not have to be reconfigured to access the backup server. All I want is to be able to tell the managers is to switch a cable while the main connection is down and not have to manage a bunch of config files to get the store back up. Right now if I duplicate the main server ip address and it is accessible through the first interface I'm guessing I'll see all kinds of problems relating to duplicate ip addresses on the network. I've tried some routing and iptable stuff but I'm not real familiar with either so I had no luck. Is there someway to block the internal connection between the two interfaces so the only thing that sees the duplicate ip address is the second interface?

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Fedora Networking :: Wireless Card Edimax EW-7711In Doesn't Work

Sep 7, 2011

I installed Fedora 15 64 bits version on my desktop, and I'm having hardtime activating my wireless card.

I tried following the instructions from this thread without success [url]

Here are the logs of some of the commands I used

lspci output

Code:

iwcconfig

Code:

Code:

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Fedora Networking :: Hostapd - Create A Bridge Between Wlan0 And Eth0

Feb 3, 2011

what i want to do is

client <--> wlan0 <--> computer <--> eth0 <--> internet

i have 2 network connections eth0 wired connected to internet wlan0 wireless (work fine) i have installed hostapd with madwifi and so on oki when i run hostapd the clients see the hot spot oki clients connect with wpa oki network manager run at demand not automatic (keep it for internet help) now i'm a bit lost what do i need is wlan0 give the client an ip (dhcp demand) create a bridge between wlan0 and eth0 steps to create a permanent bridge between wlan0 and eth0

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Fedora Networking :: How To Bridge Wired And Wireless Connections

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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CentOS 5 Networking :: Bridging Of Eth0 And Eth1 Doesn't Work?

Apr 14, 2011

Problem: Can't get bridging to work properly.

I'll start by saying that most of this is built inside of a 64bit ESXi 4.1.0 server. Should be obvious by the picture below.

Trying to set up a bridged CentOS box. Ultimate goal is to set up a Transparent Firewall. The machine labeled 'Desktop' is a Windows XP running DHCP. It gets assigned an Internet routeble IP address. At this point, nothing is running a firewall.

Symptoms:
Gateway can ping CentOS bridge
CentOS bridge can ping gateway
CentOS bridge can resolve DNS names and ping FQDNs on the Internet.
CentOS bridge CAN NOT ping Desktop

[Code]....

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Networking :: Bridging Wireless To Wired?

Aug 22, 2010

I am trying to share my internet access using the following setup.

A Linksys WRT54G v5 router that is connected to my cable modem in my basement. I want the signal to be picked up by my Hawking HWABN1 and sent through a Linksys BEFSR41 to my Ubuntu desktop running 9.04.

I'm pretty sure the Hawking is receiving the signal because when I check the devices in the wireless router setting the IP shows up. I can't seem to get anything whether it is hooked up to the BEFSR41 or straight to the desktop and Ubuntu tells me I'm offline and I'm not getting an IP.

I have a WinXP laptop that I have used to run the Hawking setup and it is supposed to be accessible through a web based interface similar to the routers.

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Ubuntu Networking :: Bridging LAN And Wireless Connection?

Feb 11, 2011

Here's the story running 10.10 on my box with a wireless N adapter I'm about to go get a XBox with the built in wireless but the problem is that the XBox does not pick up 5ghz. Any way to connect the XBox with a ethernet cable to my motherboard and bridge those connections so the XBox can get network access?

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Ubuntu Networking :: 10.10 - Bridging Wireless Connection To XP

Apr 1, 2011

My laptop, which is my main machine, is running Ubuntu 10.10 I am bridging my wireless connection on my laptop to my Dell desktop; but I have somewhat of an issue. I was able to bridge the connection with ease, but the IP the XP machine has been assigned is not in my subnet. The issue is that I need to port forward to this machine, but my router doesn't recognize that the PC is on the network because it has a random IP. I've tried assigning a static IP on the XP machine itself, but it doesn't change...

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Ubuntu Networking :: Bridging Wireless With Ethernet Port?

Apr 29, 2010

I have a Dell Studio 1501 Laptop and I want to bridge the wireless with the ethernet port so I can hook my xbox360 to my laptop.

I've spent the last 2 hours trying different techniques but nothing is working.

I'm running Ubuntu 9.10 so the last thing I tried was going into the network manager, clicking on wired, editing the ethernet port and allowing it to share. This did nothing.

I tried to share the connect with firestarter but that did not work either.

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Ubuntu Networking :: Bridging 3G Dongle Internet To Wireless Router?

Aug 11, 2011

I dont know if its possible or not ? I'm using 3G dongle (ppp0 interface) for connecting to internet on my laptop running ubuntu 11.04 , now i want to share this 3G connection to my wireless router(Trendnet TEW-652BRP) through eth0 interface in simple my connection should be like this

INTERNET<<<3G WIRELESS MODEM<<<LAPTOP----WIRED CONNECTION TO WIRELESS ROUTER<<<OTHER DEVICES (LIKE ANDROID MOBILE/LAPTOPS SHOULD CONNECT THROUGH THIS WI-FI CONNECTION)

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Ubuntu Networking :: Realtek Wireless Card Doesn't Work

Sep 12, 2010

I have a Toshiba Satellite series laptop, i get ubuntu on it, all works well but there's a problem, my wireless card doesn't work, it doesn't show me the aviable wireless network, my Wireless Card is an Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) but it works in windows. I used Ubuntu 8.04.4 LTS. When i run these codes that's what it shows:

[Code]....

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Ubuntu Networking :: Wireless Doesn't Work Although Card Detected

Oct 20, 2010

I have an issue with wireless connectivity on my laptop. Its a HP dm3 and the intel network adapter is supported as I can scan and detect wireless access points.However, when I attempt to connect to my home network, it fails and this is probably a result of two things: The BSSID is missing and/or the DHCP client ID is missing.I am running Kubuntu 10.10 32 bit

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Ubuntu Networking :: Wireless Card Doesn't Work Upgrading To 10

Oct 22, 2010

Yes, that's correct, it's a Celeron 400 running Xubuntu. And the card was working on 9.10, but not working anymore in 10.04 neither in 10.10.I've no other idea and I'm really considering moving back to 9.10Is there anything else I can check.

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Networking :: Atheros Wireless Card Doesn't Get Detected In Ubuntu?

Apr 7, 2011

I want to load Atheros wireless card to ubuntu linux OS having kernel 2.6.32.21. I have loaded the atheros driver and I observed the following log messages when card was inserted.

[ 55.732223] pcmcia_socket pcmcia_socket0: pccard: CardBus card inserted into slot 0
[ 55.732294] pci 0000:04:00.0: reg 10 32bit mmio: [0x000000-0x00ffff]
[ 55.810152] ath5k: disagrees about version of symbol ieee80211_free_hw

[code]....

My suspect was the driver was 2.6.35.1 kernel based i may need to update my kernel, but i have other laptop having 2.6.32-21 kernel and this card works fine.

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Fedora :: 14 Doesn't Seem To Recognize That I Have A Wireless Card

Nov 22, 2010

Do I need to install drivers or something to get it to recognize that my laptop is equipped with wireless? It's a Toshiba Satellite L505-S5990.

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Ubuntu Networking :: Intel 5100 Wireless Card Doesn't Connect On 10.04?

Jun 4, 2010

Intel 5100 wireless card doesn't connect on 10.04?

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Ubuntu Networking :: Wireless Network Doesn't Work With A TPLink PCI Card?

Jun 26, 2010

I'm trying to activate a wireless network on an ubuntu server 10.04. The machine has a TPLink PCI wireless card. Card is well recognized, and scanning for wireless connection it finds correctly the essid of the access point in the room. But when I try:

Code:
$ sudo iwconfig wlan0 essid "apoint" key s:my_key_8
this error is returned:
Code:
Error for wireless request "Set Encode" (8B2A) :

SET failed on device wlan0 ; Invalid argument.I looked for similar situations over many forums, and I found that it could be the card doesn't support the encryption type (My AP uses WPA with TKIP). However if I use an ubuntu desktop live CD on the same machine, I can connect witouth any problem with NetworkManager 0.8.

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Fedora Hardware :: Wireless Card Doesn't Work

Nov 30, 2010

I have HP 620 and i installed Fedora 14, but my wireless card doesn't work. My card is:02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvA Wireless LAN Controller (rev 10) Under Live Ubuntu the card works very well, but under fedora doesn't work.It's look like the fedora doesn't a driver.

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CentOS 5 Networking :: How To Create Wireless Network From Command Line With Hidden ESSID

Feb 27, 2011

I have a CentOS 5.5 server running currently with a Netgear gigabit ethernet card and for wifi I have a wi-fi card with the chipset: RT2860.Now I have gotten the ethernet card and wi-fi card working but my main question is: How do you bridge the connection between the ethernet card and the wi-fi card to create a wireless network with a hidden ESSID if possible and WPA encryption? (So the server basically acts as a wireless router as well as doing all the other stuff I need to do on it).

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Fedora Networking :: 14 Can't Connect To SpeedTouch 585 - Either Wireless Broadcom Card Or The Wired Ethernet Card

Dec 4, 2010

Just installed Fedora 14 from the Live CD i686 on my Dell Inspiron 1521. I can't connect to the SpeedTouch 585 on either wireless broadcom card or the wired Ethernet card.

I can connect to it from the same Laptop on the Vista which is on dual boot on the same laptop.

Further confusing is that I ran Fedora 14 and connected to another SpeedTouch today.

Already checked the Channel on the wireless nic and it's on the same one as the SpeedTouch.

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Fedora Hardware :: Doesn't Recognize Cisco Wireless Card Wmp600n

Jun 8, 2010

my cisco wireless card model # wmp600n. Fedora doesn't even recognize that its there and i haven't been able to find any linux drivers for it, tried installing the driver using wine but still isnt working for me...

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Networking :: Wireless Connection Works But Doesn't Show In Iwconfig Command

Mar 21, 2010

Ubuntu 9.04 with working wlan. I had to restart router & wap. It doesn't seem to ever retry to connect. I know my router & wap are good, I have wireless working on other laptop (running Puppy) I had to go into 'edit connections' in drop down and use 'wireless' tab then edit 'wireless connection 1' and hit 'apply' is there a better way to do this? also, no connections show up with command 'iwconfig' edit: with ifconfig, eth1 si showing data my ip address and packets sent & rcvd. I think I'll try do duplicate this event and use 'ifconfig eth1 down' and then up again to see if it reconnects.

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Ubuntu Networking :: How To Bridge A Wlan Card In Managed Mode

Feb 3, 2011

I have 2 wlan cards. wlan0 and wlan1. wlan0 is in AP mode(Master mode) using hostap. wlan1 is connected to another wireless network and is in Managed mode. Now I want to make a bridge between wlan0 and wlan1. I do it like that:

ifconfig wlan0 0.0.0.0
ifconfig wlan1 0.0.0.0
brctl addbr mybridge
brctl addif mybridge wlan1
can't add wlan1 to bridge mybridge: Operation not supported

It doesnt work, because wlan1 is in managed mode. But Windows 7 can bridge 2 Wlan cards when one is AP and another one is STA. How to do it in Linux?

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Fedora :: Live CD And Wireless NICs Frustration?

Apr 7, 2010

I had two potential converts to Fedora this week, but had to go windows because I could not demonstrate how the Internet worked with the Live CD. In both cases networking did not catch the wireless card. In one instance I just ignored what card that was, but the other, I wrote it down: Lenovo p/n 42T0865 Intel 802.11 Kedron Am I doomed to failing with wireless NICs on the live CD? Any suggestions?

p.s it is hard enough to get people to switch due to that lack of applications (usually Quick Books, Acrobat Professional, various tax software, UPS World Ship, FedEx Ship, various business-to-business web sites that only support IE), without the Live CD failing to demonstrate how well Linux works.

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Ubuntu Networking :: LSUSB Command Doesn't Work As Well As Windows Wireless Drivers?

Sep 1, 2011

I can get the command program to work, but not the desktop program to work. Windows Wireless Driver was working, but now every time I try to start it, it won't load, and will just be an empty window. This happened after I tried to installed a driver (which was the wrong one), and I restarted the computer. After this happened, I tried to reinstall the program, but to no avail.

The command program works, but I can't use the command lsusb, because it just pauses and doesn't do anything. Do I have to wait for it to kick in. I'm pretty sure that this is not it, because when I try the lspci, this works fine (but it's not the one I need). Please help, and don't make any stupid replies.

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Fedora :: Command To Turn Off Broadcom Wireless Card To Save Power?

Aug 13, 2009

Is there a command to turn off my Broadcom wireless card to save power. In Apple, the have an Airport off listing under the airport menu, Is there something for Fedora?

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Ubuntu Networking :: How To Bridge Wireless LAN

Jul 30, 2011

I am trying to connect networks connected via locked down wireless routers. Here is the setup:

Internet <-> eth0 - server - eth1 providing DHCP <-> hub <-> wired clients & to WiFi router with NAT & DHCP <-> WiFi clients.

I want the wired clients and the WiFi clients to be able to talk to each other directly, but the locked down WiFi router (meraki) is in the way. the wired clients get their IP address from the server, the wireless clients get theirs from the meraki WiFi router. I can't reconfigure the WiFi router to bridged mode without paying meraki a sizeable annual license fee. What options are out there to get through the WiFi router? I came across OpenVPN and ethernet bridging, but broke networking on the server when trying to configure the br0 interface. I followed these instructions: [URL]

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Networking :: How To Set Up Knoppix As Wireless Bridge

Feb 27, 2010

I have a Windows 7 machine which is having issues with a Linksys Rangeplus wireless card, specifically kernel dumps every couple of hours. I have an old (really old) tower sitting in my room which I would like to turn into a wireless bridge so that I could connect the windows box to the internet without dealing with the blue screens. I plan on using Knoppix as I have it available already, but if it would be easier with another distro I can always download it. If this doesn't work I'm going to have to buy an old WRT54G offline and convert that with DD-WRT...

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Ubuntu Networking :: Setting Up A Wireless Bridge ?

Oct 18, 2010

I have spent the last 24 hours trying to work a wireless bridge (a D-Link DAP-1522) into my network configuration. It would connect to our gateway here at home (some 2WIRE piece of garbage AT&T hands out, but I digress), and two computers (an Ubuntu Desktop and an Ubuntu Server) would connect via the bridge.

The bridge SEEMS to connect to the router, and indeed, the Ubuntu Desktop PC is able to access the internet. The server, however, is not, and neither computer can communicate with the other (ping, SSH, etc.) furthermore, the router recognizes the presence of these two computers on some level, but does not seem to know their IP addresses (I assume this is related to the computers' inability to communicate).

Before I get too far into this, here are a few links/items for the sake of clarity. The first is a shoddy diagram of my (proposed) network topology, for all of you out there who, like myself, understand things visually:[url]

This is the output from running "ifconfig eth0" on the Ubuntu Desktop PC, which sits behind the bridge. The PC is connected, and can ping hosts across the Internet, but can only ping the router locally (that is, it can't ping any other device in the house, on either side of the bridge):

Code:

The router uses wireless encryption, not MAC addresses, to restrict access/traffic, and all wireless devices (including the bridge) have been provided with the proper credentials. There shouldn't be any devices being denied access on account of their MAC address. In fact, the router's control panel lists the PC and the Server among the recognized devices (even lists their MAC addresses), but provides no IP address and always considers the two computers to be "offline." And yet, I am writing this very post from the Ubuntu PC. Sigh.

I am very comfortable with computers, and reasonably comfortable with Ubuntu/Linux and the Linux command line -- I've been using the operating system for just over a year now -- but networking issues have always been perched right on the edge of my understanding. In short, it's likely this issue has more to do with me than it does with the hardware itself (although the more forums I browse, the more I start to doubt this bridge...).

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