Ubuntu Networking :: Wicd Does Not Obtain Ip Address On Wired Connection
Feb 13, 2010
Running kubuntu karmic, kernel 2.6.31-19, on Asus EEE PC 1000.
WICD 1.7.0. hangs on "wired connection: obtaining ip address...". I have downgraded to 1.6.2 and 1.5.9, but this did not solve the issue.
WICD does work under other circumstances, e.g. wireless connection. (But at home I don't have wireless, but just the modem and ethernet.)
Same wired connection ethernet connection works flawlessly on laptop running Windows XP SP2.
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Jan 30, 2010
I am having a persistent problem with getting a wired network connection under a recent install of Ubuntu 9.10. The network manager will show the wired network as 'disconnected' after a restart. This is true whether I am connected directly to my ISP's modem, or through the Linksys router that I usually use.The output of ifconfig suggests that eth0 is not being assigned an IP address:Code:I have reached the limits of my own ingenuity.
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Mar 12, 2010
I have just installed Ubuntu 9.10 (64 Bit) and I'm trying my best to get this Linksys WMP300N wireless adapter to work.I have searched and gone through a number of threads here with some level of progress but I still can not get this to work.Adapter info is BCM43XG [14e4:4329] rev 01I have installed driver bcmwl5.inf using ndiswrapper and ndisgtk.I had absolutely no success trying to use network manager applet so uninstalled it and went with Wicd instead which at least sees my SSID network with a strong signal.My network is encrypted using WPA and I entered the passphrase which seems to pass authentication but it keeps trying to get an IP address until finally it just tosses a failed message.I feel as though I'm really close but it just won't connect.
iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
[code].....
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Jun 18, 2011
I needed to get a wireless adapter for my desktop PC so I went to newegg and looked around to see what PCI-E cards they had available. I came across a Encore one that uses the realtek 8192CE chipset. I confirmed before I bought it that it is supported in the kernel as of version 2.6.38. I am running Slackware 13.37 and I compiled a new 2.6.39.1 kernel and after I rebooted the kernel I checked lsmod,iwconfig, and ifconfig and confirmed that all the correct modules are loaded and the card is recognized by both iwconfig and ifconfig. At first Wicd acted as if there was no card in the system so I checked dmesg and found that I was missing the firmware for the drivers. I went to the realtek sight and downloaded the drivers from there and got the firmware and copied it to /lib/firmware/rtlwifi and now wicd recognized the card and finds my networks. But whenever I try to connect to my network I get an error saying "Can't obtain IP address". I have googled around and can't find any clues on this. The only thing I have noticed is that the activity LED is not working which leads me to believe the card is either turned off/or not powered on. The light works fine in Windows 7. The network I am connecting also uses WEP. I am having no trouble connecting in Windows so I know the card works.
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Feb 24, 2010
I have an open WEP wireless internet connection with a security key. KNetworkManager can never obtain an IP address from my wireless router, but I know that the router works because Windows can connect correctly and Ubuntu's NetworkManager can connection correctly. Does anyone know what is happening? KNetworkManager just asks for my security again and again and again after it fails to connect.
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Nov 19, 2010
I just installed ubuntu 10.10 on my laptop Dell Inspiron 1525. Wireless internet is not working. I installed wicd network manager and I am able to see the available wireless networks. My wireless connection is encrypted. I have tried all encrypted options with the key but no avail. It says "Cannot obtain an IP address" after validating authentication.
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May 16, 2010
But i can under an alternate profile. Running ubuntu 10.04 and cannot seem to pin point the problem. When I was doing some looking into it, it appeared that the wpa-supplicant.conf wasn't where the man page indicated it should be. ie /etc/, but then it wouldn't or shouldn't work for the other profile either, right? i tried to post this before but i couldn't find it anywhere.
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Feb 19, 2010
I believe I have the wireless card installed properly and wicd sees the router. When I try to connect I get an error "can not obtain IP address" Output from iwcongif and lspci is.
dillan@dillan-desktop:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
[code]....
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Mar 5, 2010
I'm using Ubuntu 9.10 and I recently changed certain settings of my router. After that ubuntu isnt able to obtain IP address from this wifi network. I've tried to connect with win 7 and OS X and both of the OSes are able to connect to the same wifi network. I tried to connect ubuntu to another wifi network at school and it connected successfully.
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Jan 17, 2010
I'm using Ubuntu 9.10 and for a while I had no problems connecting to the internet through the wireless network. But recently, my wireless connection started disconnecting regularly. Following an advice I found online, I installed linux-backports-modules-karmic, but after a reboot the wireless device stopped working altogether - it had lost its driver. Since then I managed to associate the device with Broadcom's STA driver, which I had been using before. But now, the wireless device cannot connect to the internet anymore. The network manager's output to /var/log/syslog indicates that the device cannot obtain an IP address. When I run code...
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Mar 13, 2010
The IP address acquisition problem I reported earlier has returned, and I am stymied. To recap: Ubuntu 9.10 would not obtain an IP address via a wired Ethernet connection. I resolved the problem at the time by configuring eth0 in /etc/network/interfaces:
Code:
auto eth0
iface eth0 inet dhcp
and disabling Network Manager in Preferences > Startup Applications.After a powering down the PC today, the problem has returned. It appears that dhclient cannot obtain an IP address. This is true whether I am connected to the router (a Linksys WRT54G running Tomato), or directly to the DSL modem. When my usually wireless Ubuntu 9.10 laptop is wired to the router, it obtains an address almost instantly. I have made no changes to the network configuration since January. I have tried to keep current on Ubuntu updates.
Code:
jgb@alienware:~$ ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:30:1b:ac:5b:9e
inet6 addr: fe80::230:1bff:feac:5b9e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[code]...
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Sep 9, 2010
I'm using Ubuntu 9.10 on a Lenovo ThinkPad T61 using an Intel PRO/Wireless 3945ABG. My laptop's ability to connect to a wireless network stopped last night, and I'm not sure why. It's definitely something on my end, as my roommate can connect to the internet on a Windows box. I can wire in without a problem, but that's a pain and my Ethernet cable got lost in the shuffle when I moved back to school. I've been able to get into this network before and nothing about it has changed. I've been able to hibernate and restart and such and nothing has ever needed to be reset.
The router's a D-Link WBR-2310. Wicd and Network Manager see the network (I'm back to using wicd) , but wicd appears to get stuck at "Obtaining IP address..." and says "Unable to connect: Cannot obtain IP address". I know my password is correct (I set up the router and I'm the CS undergrad in the apartment so I manage it), lspci sees the wireless card, ifconfig and iwconfig return information about the interface, dmesg|grep wlan0 doesn't seem to have anything terribly out of the ordinary, but here's that output:
Code:
allyanncah@taliesin:~% dmesg | grep wlan0
[ 23.514202] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 36.609016] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 38.756143] wlan0: direct probe to AP 00:24:01:cb:4e:7e (try 1)
[ 38.758791] wlan0: direct probe responded
[ 38.758796] wlan0: authenticate with AP 00:24:01:cb:4e:7e (try 1)
[ 38.760587] wlan0: authenticated
[ 38.760609] wlan0: associate with AP 00:24:01:cb:4e:7e (try 1)
[ 38.763318] wlan0: RX AssocResp from 00:24:01:cb:4e:7e (capab=0x431 status=0 aid=1)
[ 38.763322] wlan0: associated
[ 38.765502] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready .....
I've tried:
- reinstalling wicd
- uninstalling wicd and installing network-manager
- restarting
- shutting down and booting back up
- restarting the router
- sudo /etc/init.d/networking restart
- taking the interface down and back up with ifconfig
I haven't changed anything recently in regards to my wireless card, and all the fixes I've tried are things I've done before without an issue. The only thing I'm wondering about is if doing a hard reset might have broken something (I know this is a cardinal sin, but there's a whole 'nother problem I haven't been able to fix with the OS hanging every once in a while over a VPN daemon when it tries to shut down or restart -- I've left it for hours to see if it actually gets anywhere and no luck, won't do a soft reset). I'm nervous about reinstalling the driver just because I've never had to do it and drivers are a finicky business. I imagine there's a config error somewhere?
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May 5, 2010
I had no luck with network manager and i was surfing the net and it said wicd was better so i installed that and installed 1.6.1 But it was not obtaining an ip address
So i searched again and ppl said that its a problem with 1.6.1 and they said 1.5.9 was better. So i installed wicd 1.5.9 and its still not obtaining an ip address.
The router is unencrypted no security, ppl suggested trying to set a security on it so i tried WEP and when i do that it gets stuck on trying to authenticate the key phrase.code...
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Jan 16, 2011
When trying to connect to a wireless AP, neither wicd or wifi-radar are able to obtain an IP. With wicd, a string of various hex/dec characters flow by, with an eventual error. This happens with both WEP and unencrypted APs (- the hex/dec). With wifi-radar it simply fails, but not every time. NetworkManager connects with zero problems every time; though I prefer to not use NetworkManager, so please spare me of such replies. Someone please tell me why there should be only one wireless manager in Ubuntu that works? I have used wicd since before gutsy gibbon, and it always worked fine until the last two versions, Lucid, and Karmic. What is occurring in Ubuntu which over time breaks these excellent applications? I have tried this with four different wireless cards, and all suffer either identical or similar issues. Those chipsets are Broadcom, two RealTeks, and an Intel.
I really wish to emphasize that this post is not a request for a lecture on why I should use only NetworkManager, or why I should go find another distro. With something like Linux, maybe we could push a little harder, and have maybe say, two, wireless managers that actually work? I would honestly like to see more than two, but one is not enough. It baffles me a bit why new versions of Ubuntu mangle some perfectly good applications, but not others. In IT, surely networking, IP4, WEP, basic wifi technology, etc. has not changed so much that every six months whole new programs should need to be written to connect to a wireless access point. Nor should old ones need much tweaking. What's going on? With such boastings of repositories abundant and brimming with free apps, why does anyone want to make NetworkManager the only app that works?
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Feb 16, 2010
I have router and wireless card Linksys. Driver are installed correctly for wireless card.
Using WifiRadar I can see the access point is detected.
DHCP woks perfectly for wired lan.
However when I try to connect to the detected access point the ip addres is never retrieved and the connection never established.
I tried most of he basic instructions posted on ubuntu forums, but the problem doesn't seem to be with basic configuration: driver, essid, wep key, etc..
The problem seems to be with DHCP not able to retrieve an IP address from the DHCP server of the router. Of course the router works file with other laptops (windows based) that have wireless card.
I also tried the Network Connections setup part of ubuntu. That one shows the access point by its essid name in the list of wireless network, but when I try to connect it takes sometime and eventually asks for the wep key, which I provide and then it times out and keep asking it. The same wep key works for other pcs.
Can't figure it out. I am using ubuntu 9.10.
Some more details are the following:
1) Here the output from the log file: /var/log/wifi-radar.log
Of course it is set ... and dhcp client works for wired lan anyway.
2) diego@mysuperlaptop:/var/run$ sudo iwlist wlan0 scan [sudo] password for diego:
I tried everything I could think about in the UI windows setting (WifiRadar and Wireless Network Connections) a well in the config files from the shell. I just don't get what the deal is. I am pretty sure it is a DHCP issue but can't figure out what.
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Mar 19, 2010
though method of editing /etc/network/interfaces worked for me i have decided to get gui work.i have installed wicd, i set wep key for connecting to my network. when i'm scanning wicd find my network. but i get error "couldn't obtain ip address". when i dived into logs i found that there is some problem with wpa_supplicant. here is piece of log:
Code:
2010/03/19 21:45:58 :: Connecting to wireless network MY_ESSID
2010/03/19 21:45:59 :: /sbin/dhclient -r eth0
2010/03/19 21:45:59 :: ifconfig eth0 0.0.0.0
2010/03/19 21:45:59 :: /sbin/ip route flush dev eth0
2010/03/19 21:45:59 :: ifconfig eth0 down
[Code]...
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Oct 21, 2010
I installed Enlightenment into my machine and, in the course of the installation, Network Manager was removed. I now have no internet connection. I've searched and tried a couple of possible solutions here but I cannot get them to work. When I try to use a downloaded deb file Gdebi cannot install it. It seems that if I re-install Network Manager I'll lose a lot of my Enlightenment installation. What I'd like to do is install Wicd. I dual boot with Win 7 so all is not lost. I understand that there's a way to istall Wicd from the command line without an internet connection but I cannot figure out how to do it.
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Nov 7, 2010
I am having a problem getting a wireless network connection on my DELL laptop running CentOS 5. I have no problem getting a wireless connection when the laptop is booted in Windows XP. I also don't have a problem when booted under CentOS 5 and there is no authentication setup on the wireless router. I only have a problem when I setup authentication. The router wireless log shows the PC connectinng, authenticating, and succeeding authentication.I am using the Broadcom Hybrid-wl wireless driver.
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Nov 27, 2010
I am running Ubuntu 10.04 on a PackardBell notebook and have just got an Orange Livebox 2 for broadband connection(after years of dial-up as no adsl in my area).I am trying to connect via WiFi to the Livebox to configure, but neither NetworkManager nor Wicd will connect. NM sees the Livebox but simply fails to connect after trying; Wicd says "Bad password".The WPA2 password I have entered is definitely correct, and I have connected without any problem from an AcerOne under Linpus.I have also tried to connect using Wicd and an ethernet cable, and this doesn't connect either, returning "Connection Failed: Unable to Get IP Address"
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Jul 7, 2011
I have a Ubuntu 10.04 laptop that gets its Internet connection via WIFI using WICD as network manager, and Windows XP desktop with no Internet connection. What I want to do is share my Internet connection from my laptop with my desktop via a Ethernet cable. But i have no idea what to do. How do i go about doing this?
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Sep 11, 2010
My father has configured his network and the computer has connected to the wired network. The problem is firefox says the server cant be found at the given address. The wired router says its connected to the network and yet firefox doesn't see the router admin page or network.
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Feb 9, 2010
I just got a AWUS036H Alfa Network Adapter but there's like 10 folders on teh CD that it comes with, and there's read me's in about all 10 of'em, i have no damn idea which one to install. I went ahead and just did ifconfig wlan1 up and brought the interface up, went to wicd network manager and added wlan1 to wireless adapter
when i try connecting to my wireless router, it says resetting Ip ddress, something else with the configuration file, then obtaining IP address... it just hangs there for about 2-3 minutes and gives me an error... anyone else know how to set up this adapter?
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May 5, 2010
we are trying to install this NIC Rosewill RC-400 Chipset RTL8169S-32 in Ubuntu 9.04 we downloaded the drivers from Rosewill website (For kernel 2.4.x and 2.6.x V 3.1) but when we follow the instruction in the readme file and do make clean modules and error comes out
Code:
make -C src/ clean
make[1]: Entering directory `/home/trinity/Desktop/r8169-6.006.00/src'
rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions Module.symvers Modules.symvers rset[code]...
So I went do realteak downloaded latest available drivers that seems to be were release yesterday did same command and same error So I made only make and it went fine did then make clean modules and went fine so made make install, depmod -a and modprobe r8169 verify int was up and getting correct ip from router but I'm not able to access the internet or ping any IP address
Code:
xxx@xxx-desktop:~$ uname -a
Linux xxx-desktop 2.6.28-18-generic #60-Ubuntu SMP Fri Mar 12 04:40:52 UTC 2010 i686 GNU/Linux
xxx@xxx-desktop:~$
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Nov 19, 2010
I just installed ubuntu 10.10 on my laptop Dell Inspiron 1525. Wireless internet is not working. I installed wicd network manager and I am able to see the available wireless networks. My wireless connection is encrypted. I have tried all encrypted options with the key but no avail. It says "Cannot obtain an IP address" after validating authentication.
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Jun 1, 2011
I just installed Ubuntu 11.04 desktop on my desktop in dual boot with Windows 7.
Heres my problem, I am unable to connect to the Internet even though my wired Ethernet connection says it is connected normally. The wierd thing about this is that I also have a wireless card in my desktop and when I connect through that I am able to connect to the Internet. I am connecting to a router that is functioning as a repeater to my main router/cable modem. I have tried to solve this myself but am having no luck. Ironically, earlier today suddenly my ethernet connection worked for a few minutes without me modifying anything.
The output of some terminal commands are below.
Quote:
Quote:
Quote:
However a pint to that ip address (my router) is successful.
Quote:
Hosts.allow and hosts.deny are both fine (not blank but no entries)
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Jan 22, 2010
I have two PCs one has Windows XP the other has Ubuntu 9.10 on it, the Windows PC has no problems getting on the Internet (I'm posting this with it) and getting an IP address from the wired router. The wired router I have is ONLY wired it does not have wireless at all, it is currently setup to hand out IP addresses between 192.168.1.2 and 192.168.1.254.
The Ubunutu 9.10 PC worked great last night surfed all over the place for hours, then finally shut it down last night when I went to bed, shut down appeared to be normal like it always does when it shuts down, then this morning when I booted it up it gave error: "WIRED NETWORK - disconnected you are now offline".
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Mar 15, 2010
I am using ubuntu in my new office, and I can't get the network working. The "official" OS installed was a Windows, and it has a special "dial-up" app for the LAN connection (not wireless). My network admin is apparently not helpful, since he actually knows nothing about the internals for the "dial-up" app (he did not even ever heard of TTLS, PEAP, MD5, etc), and claimed that no OS except for Windows can work...
Well, I have tested various configurations with my Mac laptop, and apparently the LAN connection requires 802.1X authentication, and it's using a very weird combination "TTLS+PEAP+MD5" (if I check these options in Mac OS X, the connection works). However, in NetworkManager, I can't select both TTLS and PEAP, and moreover, TTLS does not work with MD5. So, is there anything I could try?
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May 17, 2010
Fresh install of UbuntuStudio 10.04. This is really bizarre.
I can't seem to connect to the wired connection mainly because there is no connections tab (pic attached).
Here's some printouts:
dmesg:
Code:
lshw -C network:
Code:
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Jun 1, 2010
When I unplug the ethernet cable from this laptop and plug into my Ubuntu 9.10 Desktop I get a wired connection automatically but I have no internet connection in Mozilla
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Aug 17, 2010
I've had a computer running Ubuntu connected to my TV for a few weeks now, but as of yesterday, I can't get it to keep a connection to the Internet. Everything works well for an hour or so after a reboot, but then no WAN connections work. When this happens, no sites load in Firefox or Chrome, I can't ping Google, I can't SSH to the box from work, and none of the pages I have running on apache load from remote computers. However, all local area connections seem to work fine. SSH from within my LAN takes much longer than usual, but it does still connect.
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