Fedora Networking :: Wlan0 Cannot Determine IP Address?

Apr 18, 2009

I am tring to get my linksys wireless router to connect to my laptop that i recently installed Fedora 10 on. Well it is actully running of an external HD. Any way when i boot in windows it connects and works fine, but when i try to activate wlan0 it says "Cannot activate network divice wlan0!" "determining IP info failed..."

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Fedora Networking :: Bring Up Wi-fi PCI Card (ifup Wlan0 Or Ifconfig Wlan0 Up) Whole PC Just Hangs Until Power It Off

May 20, 2009

When I try to bring up my wi-fi PCI card (ifup wlan0 or ifconfig wlan0 up) my whole PC just hangs until I power it off.

I believe I have the right drivers, but cannot see what I am doing wrong.

I'd really prefer not to go down the ndiswrapper route.

Firstly, I can see the PCI card and the driver it is using :

Code:
[J@gx260-f10 ~]$ lspci -k
...
...
01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8185 IEEE 802.11a/b/g Wireless LAN Controller (rev 20)

[Code]....

the PC just hangs for ever. No mouse movement, ctrl-alt-del, nothing.

I have downloaded a Linux driver from Realtek but it will not compile. I have the latest kernel-devel, headers, and gcc. I can post compiler errors if anybody would like. They're all apparently to do with missing parameters.

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Ubuntu Networking :: Wlan0 Is Flukey With Static Ip Address?

Feb 4, 2010

Recently, I've set up Ubuntu Server 9.10 x86_64 (no GUI). I have two NIC cards in this machine. One is a wireless card that I would like to set a static IP address to. The other is an integrated NIC. Everything works just fine when I have everything set up under DHCP. I can ping both NIC cards with no issues. But as soon as I change over to a static setting, things work unexpectedly...

Things to keep in mind:

-All machines are running under the same subnet
-All machines are connected to a wireless router (freshly flashed with the latest firmware)
-This is a fresh install of Ubuntu Server 9.10 x86_64

--Static IP address on the WIRED (eth0) NIC works great. No issues. Can ping from my wireless laptop, and can ping from the machine to the outside world (ping google.com) as well as the gateway itself with excellent response times.

If I then turn on the WIRESLESS (wlan0) NIC after setting up a static address for it in /etc/network/interfaces, then turning the wlan0 on by issuing "sudo ifconfig wlan0 up", wlan0 shows up, but does not have an IP address associated with it, even though I set it up as static. I also cannot ping wlan0 from my laptop. I assumed that was because I needed to restart the networking service. So after issuing "sudo /etc/init.d/networking restart", I am able to ping wlan0 from my laptop with no issues.

Here is where things get strange. Lets say that I physically pull the plug on eth0. After dong this, wlan0 stops responding to the ping request that was initiated by my laptop at the same exact time. If I plug the cable back in, both eth0 and wlan0 begin to respond once again. But soon after I try to SSH to wlan0, wlan0 decides that it no longer wants to respond to the ping. I should note that it does ask me for a username and a password, but after I entered my password, the ping stops responding. Why should the wlan0 be affected in any way if something happens to eth0?

This all started when I set the server up with only a static configuration on wlan0. It appeared to be working well. I was able to ping the machine from my laptop as well as SSH into the machine. I went to bed and the next morning, I was no longer able to ping the machine. I let the ping run for a small amount of time with a few responses here and there. Then after a little more time of letting ping run, it tends to respond. Almost like I bothered it enough to decide that it was appropriate to start working again.

Ideally, I would like to have ONLY a wireless connection. But if I need to have eth0 up, it would be great to have option work as well. Bottom line is that my wireless is flukey. And I would like to find out why.

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Ubuntu Networking :: Change WLAN0 MAC Address At Every Boot

Jul 29, 2011

change my WLAN0 MAC address in my Kubuntu Natty 64 bit at every boot. I have done quite a bit of searching and found some procedures that appear to have worked back in 9.04 and before days but I have been unable to get anything to work for me in my 11.04 install. I have tried adding a script to if.pre-up.d and also tried adding a bootmisc.sh and either I did them wrong or they are not working. I want to make sure that every time I bring the wireless up in Kubuntu that I have the changed MAC address. I usually keep wireless disabled and turn it on just when I need it.

Background so you don't think I am doing something nefarious... I am going on a cruise soon. The cruise line sells wireless internet subscriptions for the duration of the cruise but they tie it to a MAC address. I am bringing my CDMA android phone that unless I use VOIP will be unable to call at all or at least with very high charges. But I also want to be able to browse the internet with my laptop. I figure it will be easier to spoof my phones MAC with the PC than the other way around. I just need to turn one device off if I am using the other. I need the MAC address to be semi permanent so I don't turn it on by mistake and have forgotten to change the MAC.

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Networking :: Determine The IP Address Of A Machine?

Apr 6, 2009

I'm just an undergrad with duck tape and google searches to hold this place together. Anyways on to my question. Where I work, we have a tape library but no way to configure it, the backup software simply talks to the robot to load and unload tapes. There is a network port on the library and I do have the software, but have been running into problems getting access. I was wondering, is there a way to determine the ip address of this machine by plugging in a cross over cable with a laptop and scanning it? What tools could I use to do this?

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Ubuntu Networking :: Use To Determine The Address By ISP Allocates?

Aug 1, 2011

In the terminal, what command can I use to find out the current ip address that my ISP allocates to me from their server to my router?

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Networking :: Cannot Determine Ethernet Address For Proxy ARP?

Mar 31, 2010

I had had my internet connection working using PPPoE, but after I did some tweaking and configuring on the machine (configuring Samba), I wasn't able to connect to the internet and on the syslog said:Code:Cannot determine ethernet address for proxy ARPI'm using dynamic IP address on my internet account. Is this problem related to Samba server configuration that is running?

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Networking :: [Debian 5.0.4] Determine IP Address In Post-up Phase Script?

Mar 22, 2010

Is there any elegant (and preferably uniform) way to determine IP address assigned to a DHCP/PPP interface inside a post-up script/command?

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Ubuntu Networking :: Ignoring Unknown Interface Wlan0=wlan0?

Jun 6, 2010

Also having this problem on Ubuntu 10.04.If I do "iwlist scan" I can pick up networks on wlan0:

Code:
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.

[code]....

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Debian :: Change Mac Address For Wlan0 Without Using Macchanger Software

Sep 6, 2015

I have running Raspbian on my Raspberry Pi

I have two usb wifi dongles that both work and connect to my router when testing.

- Edimax EW-7811UN
- Adafruit Miniature WiFi (802.11b/g/n)

However when I try to change the Mac Address's of either of these usb devices when only one is plugged in and in use at one time I cannot do it as the effects seem to not take place.

I have tried using cmd

Code: Select all    ifconfig wlan0 down
    ifconfig wlan0 hw ether 00:00:11:11:00:00
    ifconfig wlan0 up

and also editing /etc/network/interfaces file wlan0 entry

Code: Select all    iface wlan0 inet static
            hwaddress ether 01:01:01:01:01:01
            address 192.168.1.100
            netmask 255.255.255.0

After doing this and running ifconfig I can see that either of the two USB'S device has the same MAC.

I have also tried rebooting the device but the mac address is the same.

I have heard there is a package called macchanger but I would like to do this without it, how could I go about doing this?

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Debian Configuration :: Unable To Get Ip Address For Wlan0 During Init?

Sep 23, 2010

This is embarrassing. I can't get a wireless address from my router with dhclient. The distribution is sid/lxde/liquorix kernel with no network manager on /dev/sdb1.

root@sid:/home/jheaton5# dhclient -4 -v wlan0
Internet Systems Consortium DHCP Client 4.1.1-P1
Copyright 2004-2010 Internet Systems Consortium.

[code]....

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Debian Configuration :: Determine IP Address In Post-up Command?

Mar 22, 2010

Is there any elegant (and preferably uniform) way to determine IP address assigned to a DHCP/PPP interface inside a post-up command?

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Debian :: Ddclient WARNING Unable To Determine IP Address?

Jan 16, 2011

i am new to linux . i have the basic knowledge of networking. a week ago i installed debian Lenny version on an old pentium 3.in addition i installed a ddclient configured it according to many tutorials....i searched google a few days but didnt find my case.i ran the folowing command :

ddclient -daemon=0 -debug -verbose -noquiet
output:
debian:~# ddclient -daemon=0 -debug -verbose -noquiet

[code]...

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Fedora Networking :: Wlan0 Link Not Ready ?

Nov 1, 2009

The past couple days I've been attempting to use ndiswrapper to connect to my home network wirelessly and have run into a slight problem. I'm able to install ndiswrapper (of course), and install the driver. ndiswrapper -l comes up good, showing the driver is in place for my netgear wg311v3 card.

modprobe ndiswrapper I am able to get to work without errors, except, when i type ndiswrapper -ma it writes another file to /etc/modeprobe.d/ndiswrapper causing the deprecation error.

The card scans for networks, and I'm able type in my encryption key.

However it doesn't connect. | grep comes up with the error that the wlan0 link is not ready.

I think I've also been able to determine that the configuration I've put in to the card through the network manager is not actually configured.

Anyone know how I could possibly connect with the card.. It seems it should be able to work. alias wlano is also in place.

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Fedora Networking :: Wlan0 Will Not Associate With AP On Bootup

Dec 29, 2009

We need to have the wireless associated with the access point prior to the first login.

Have not been able to get it to work yet. WPA-PSK. wireless will not connect until login.

This is necessary for nfs automount and openldap auth to work. Not a home networking environment.

How to troubleshoot effectively.

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Fedora Networking :: How To Start Wlan0 On Bootup

Dec 4, 2010

I've been able to get a laptop on Fedora 14 (2.6.35.6-48) working with a Netgear WNA1100 Once up and running, I execute "ifconfig wlan0 up" from root, and everything connects just fine and is stable as long as I stay logged in. But, I haven't found how to do this automatically on boot.

I've tried to use NetworkManager, but I cannot figure out how to get the GUI to show up - it says its running and enabled in the Services gui, but I haven't figured out how to actually use it! I checked to see if the nm-applet is running with ps, and for the user login, I see:

I'm not sure if the "sm-disable" flag is my problem, or how to change it. I'm not even sure if NetworkManager will allow me to set things up for bootup, but that is the path I ran down...

I assume this is a fundamentally easy process to set this up on bootup, but I'm not stumbling across the method. I recall doing this kind of thing years ago when I was an engineer, and before I got my lobotomy to become a manager...

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Fedora Networking :: Can't Get Wlan0 Working - Iwl3945

Jun 23, 2011

Can't get wlan0 working:

In networkmanager the device apears unavailable.

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Debian Configuration :: Ddclient WARNING Unable To Determine IP Address?

Jan 16, 2011

i have the basic knowledge of networking. a week ago i installed debian Lenny version on an old pentium 3. in addition i installed a ddclient configured it according to many tutorials.i searched google a few days but didnt find my case. i ran the folowing command :

ddclient -daemon=0 -debug -verbose -noquiet
output:
debian:~# ddclient -daemon=0 -debug -verbose -noquiet
=== opt ====
opt{cache} : <undefined>

[Code]...

i installed ddclient before installing apache. the 10.0.0.10 address is the server address in my d link router behind NAT.

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OpenSUSE Hardware :: Cups Is Broken - How To Determine What Internet Address To Use

Feb 23, 2010

I have an HP Laserjet 3.I can use it in normal Windows mode, or as a Postscript printer.it is an older printer, but it is still listed in the driver database. The cups setup tool cannot autodetect this printer. Also, if I select the actual driver for this printer, the cups tool still reports that no printer has been selected. I cannot add that driver for some reason. So, now I have to become an expert in cups configuration. Where is the cups HOWTO? Not in the SuSE howto section. Online? A little support there, but not SuSE specific. Does this local printer need to be a "network" printer? If so, how to I determine what internet address to use?

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Fedora Networking :: Can't Activate Network Device Wlan0

Jul 22, 2009

Having trouble with wireless and FC11, eth0 is ok. When I try to activate wlan0 through system-config-network 1.5.97, I get msg: Error for wireless request "Set Mode" (8B06) : SET failed on device wlan0 ; Invalid argument. Determining IP information for wlan0... failed. This is a compaq laptop.

<uname -r>
2.6.29.6-213.fc11.i686.PAE #1 SMP Tue Jul 7 20:59:29 EDT 2009 i686 athlon i386 GNU/Linux
<lspci>
The wireless card is Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter
(rev 01)

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Fedora Networking :: Starting WLAN0 On Boot Instead Of Logon?

Nov 4, 2009

I would like to mount a bunch of folders/shares when I start my machine up. I will be adding the mounts into my /etc/fstab folder BUT my WLAN0 only comes "up" and connects to my WAP AFTER logging in.

how I get it to start on PC boot instead of log in?

I think I need to disable network manager but I'm unfamiliar with the procedure in Fedora

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Fedora Networking :: Configure A Pppoe Conection Over Wlan0?

Feb 18, 2010

i can't get a pppoe conection working over a wireless network,in windows I have to connect to the router first, and then put in my user and password to get connected, but i don't know how to do this on fedora, i get connected to the router through network manager, and ping is ok, but when i try to make a new xDSL connection i don't know how to make it work through the wireless network that is established and working with my router.

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Fedora Networking :: Dhclient Wlan0 - After Logoff Network Is Gone

Apr 30, 2010

Code:

Commands as root works well when normal user is logged in and connected to net via KDE 4 network manager, but after logoff network is gone. And it is impossible to get it back because command mentioned above stops working!

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Fedora Networking :: Slow File Transfer With Wlan0

Aug 22, 2010

I am having a problem trying to transfer large file (~700MB) from one station in my home to another. I have 3 PCs hooked up through a router. 1 is wired to the router and the other two are wireless. One wireless is a laptop that has a built-in Atheros wireless card that was supported during the FC13 install. The other wireless has a plug-in wireless card made by Belkin (F7D1101). I had to use ndiswrapper to get it to work on FC13.(BTW all PCs are running FC13)

The one with the Belkin card is, I think, the problem. The one with the Atheros card will transfer files at a rate of about 8MB/sec to the one with the wired ethernet connection. The one with the Belkin card will not transfer at rates over 300KB/sec to either of the other two PCs. I have tried file transfers both encrypted and not and it makes no difference.

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General :: Determine Whether Computer 'gets IP Address Information From Dhcp Server On Network'

Sep 24, 2010

First, (for samba) how do I determine whether my computer "gets IP address information from a dhcp server on the network," and whether "the dhcp server provides info about WINS servers ("NetBIOS name servers") present on the network," and consequently whether a change to my smb.conf file, "so that DHCP-provided WINS settings will automatically be read from /etc/samba/dhcp.conf," and whether the dhcp3-client package must be installed?

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Fedora Networking :: Wlan0 Not Working - Updating My Desktop 10 - KDE - System With Yum

Feb 28, 2009

I do not know how it came to pass, but it has come to pass. I was in the process of updating my desktop Fedora 10 (KDE) system with yum, when I finished that I got a message about

Quote:

I have no clue what this means.

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Fedora Networking :: Dhclint Wlan0 Fails Since 2.6.27.19-170.2.35.fc10.x86_64

Mar 16, 2009

Since 2.6.27.19-170.2.35.fc10.x86_64, dhclient wlan0 doesn't seem to work any more.

However, bizarrely, dhclient eth0 does (to the same D-link wireless router).

The AP shows connected - tail /var/log/messages

No working leases in persistent database - sleeping.

WINXP connects just fine. This (B43) has worked nicely ever since FC10 came out, and I was able to use the WiFi at all kinds of places on a recent trip. Other than a couple of yum updates, I don't think anything else has changed since. Other devices on the wlan are getting their DHCP requests satisfied correctly.

Is anyone else having this problem since about a week ago? Perhaps there's something really obvious I'm missing. I can manually assign an IP address to wlan0, manually edit the routing tables and edit /etc/resolv.conf, and then Wifi seems to work OK, so it doesn't seem to be b43 itself unless it is dropping DHCPOFFERS. If this isn't a regression, does anyone have any tips about how to debug this?

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Fedora Networking :: Ifconfig And Iwconfig See Wlan0 But Network Manager Does Not

Aug 22, 2010

I just installed Fedora 13 from the Live CD. FIrst off I read the guide and the first step doesn't even work for me. System>Administration>Network does not exist. If I go to System then Preferences I see a Network Manager but it looks nothing like what these screen shots look like. [url]

No wireless card show up in the wireless tab of Network Manager. How can I fix this since my card is listed in ifconfig and iwconfig. Wifi card is a Zonet zew2500p

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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 :: Accesspoint With Hostapd And Bridge Can't Add Iface Wlan0

Feb 22, 2011

I have setup hostapd and a bridged setup with br0 bridging eth0 and wlan0. The setup works but unfortunately not on bootup. The reason is that the bridge can't add iface wlan0 because it is down for some reason at this time. When hostapd is running (after the network script) the interface is up and can be added to bridge via

[Code]....

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