Ubuntu Networking :: 10.04.1 - Connection Asking For Passphrase And Disconnects
Sep 16, 2010
I have loaded ubuntu Lynx 10.04.1 as a dual boot behind XP home. I have wireless connection to the XP os via netgear wireless G router and USB 2.0 adapter. The network connection works well with the XP side. When I boot into ubuntu I am sure I have configured the network properly with the wep key and password and the network signal is alive in the work bar at the top of the screen. When I open Firefox and try to browse to ,say, ebay it asks for the passphrase again then tells me that FF is in work offline mode. When I correct this I get asked for the pass phrase again and the connection is disengaged. It just keeps asking for the passphrase and disconnecting. When I reboot into XP everything works perfectly again.
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Apr 13, 2010
I upgraded to Karmic the other day and my Wireless Internet has been disconnecting every hour or so. I had the same problem on Intrepid but I managed to fix it somehow. After disconnecting, it will reconnect after a few seconds.
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Apr 18, 2010
Recently I've installed Ubuntu 9.10. I have DSL connection so, I wrote all details needed. After trying to connect on it, it automatically disconnects and connect auth connection again. I have worked on 9.04 and older versions and used to work very good, also the internet connection, but not in 9.10.
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Aug 23, 2010
I installed Cisco Anyconnect VPN client from the university website, to connect to the VNP. On Windows Vista everything worked fine without problem, while on Kubuntu 10.04 the installation has been OK, but when the client connects, my internet connection drops, so I'm not able to do anything!How should I fix this?I'm currently using an adsl, connecting through pppoeconf.
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Feb 20, 2011
Hey all, I have got this strange problem with my Slackware server acting as router and gateway to my internal network. It randomly disconnects the WAN connection after X days ( it is between 2-7 days ). This error messages occured in /var/log/messages just before it lost its WAN connection:
Feb 20 14:36:00 tml dhcpcd: eth1: failed to renew, attempting to rebind
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Oct 21, 2010
I use a secure connection to reach company network from outside. There's a client application "Juniper network", which creates the secured tunnel to a company network. However, the connection never survives more than 8 seconds, when it goes disconnected with the message "Route monitor alarm". From my recent search for a solution I've found that this error is caused by a change in a route table, which violates a connection policy.
"This disconnect is typically triggered by a change in the routing table of the client machine, the change is such that the split tunnel policies defined by the administrator will be violated" - from [URL]
This is how a routing table looks before, during and after the connection attempt:
Code:
[vs@dilbert network-scripts]$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.64.64.64 * 255.255.255.255 UH 0 0 0 ppp0
xxx.xxx.xxx.0 10.64.64.64 255.255.255.255 UGH 0 0 0 ppp0
[Code].....
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Feb 21, 2010
I've set-up a Linksys WPC54G v5 wireless card using ndiswrapper and the appropriate Marvell driver. It seems to work ok. On my other laptop running Kubuntu with built-in wireless the routing all works fine - I just get prompted by Network Manager for the WPA passphrase and I'm away. However, when I try to connect to my wireless router on thix Xubuntu-based laptop I get really odd security options.
When I try to connect I get a security prompt asking me for a bewildering array of information. There are four basic authentication options under "WPA & WPA2 Enterprise": TLS, LEAP, Tunnelled TLS and Protected EAP. None of those offers a simple passphrase, they all have some combination of username & password with certificates and keys. If I try to connect to other networks in my area, some do just ask for a WPA passphrase, not that I know them to check!
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Aug 2, 2010
Though under Windows my Internet connection works fine and fluent under Debian linux it connects and disconnects repeatedly at short amounts of time. It didn't used to be like that but at a certain time i was forced to install pppoeconf to get my DSL internet connection going, after that even if i've uninstall pppoeconf and now i'm only using nm-applet to monitor my internet connection i still have this annoying problem.
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Jan 30, 2010
When I use all the band(transmission or browsing too many videos) it disconnects after few minutes and it doesn't connect again until I reboot.
lspci:
05:01.0 Network controller: RaLink RT2760 Wireless 802.11n 1T/2R Cardbus
Code:
sudo lshw -C network
*-network
description: Ethernet interface
product: 88E8056 PCI-E Gigabit Ethernet Controller
[Code].....
I could use N and WPA2 by following this thread. If it is possible to reconnect without reboot would be a possible workaround
(I use Ubuntu Karmic x_64)
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Apr 17, 2010
My internet disconnect mabe every second hour and I have to restart the Ubuntu to get internet again. This started to happen when I bought a new wireless card called NETGEAR WG311v3. The live CD didnt have the drivers for it so I had to download XP drivers and install it with ndisrwapper.
So my question is how do I fix it? Do other network drivers crash with my current one? If so how can I see wish one to remove?
Note that my card works fine with XP on same computer.
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Oct 4, 2010
I'm using an Acer Aspire One d250 running Netubuntu 10.04. The wireless connection to my router fails at random intervals and spends most of it's time trying to reconnect. It will occasionally ask me to input the password to the network, which is already entered in the dialog box, and clicking "connect" doesn't seem to make any difference. Also, when it is disconnected from the network, none of the other computers in the house, wired or wireless, are having any problems. If there is any more information I could provide,
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Dec 2, 2010
I have experienced sudden wifi disconnects. My laptop fails to reconnect even after repeated attempts. It is only after a reboot that I am able to connect to the wireless.
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Apr 21, 2011
I use ubuntu 10.10 and disconnects from wireless at random. after it reconnects the the connection speed is very slow and unstable. It's not my router because it works fine on my sister's netbook (which is also running ubuntu) and it worked fine when I was running windows? I'm not very advanced with linux so you know. I don't have IPv6 enabled. My laptop is an "Advent QRC430" my wireless card is QCOM Q802XKG Wireless Network Card.
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May 2, 2011
I have a minor Internet issue. I have a static IP address with the modem acting as a gateway only to my ISP. My Ubuntu server hosts my public IP address and I use pppoeconf to connect. Every 3 hours I lose Internet. I have wrote a short script to reconnect. I doubt that it is my ISP trying to renew that often.
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Mar 13, 2010
I just installed Ubuntu this morning and don't have much time to detail my problem before my internet goes out again. I am currently running Ubuntu 9.10 (Karmic Koala?). I just got this laptop earlier this week with windows 7 and decided to put ubuntu on it via Wubi. Anyhoo, I login and then enter my wifi password and eveythings fine. I can surf the internet for a bit and everythings fine. but after a while, the wireless indicator on the keyboard begins to flicker on and off (between a connection and no connection) then starts to stall. The first thing I did was install google chrome (always the first thing to do) and I accidentally downloaded the wrong version A-OK. After I saw I downloaded the wrong version, I downloaded the correct, 32-bit version and installed it. During the download it said I had a 750kBs speed, but took much longer to download than had it been downloaded at a consistent 750kBs speed. I then tried to use update synaptic and it began to download reload all 44 packages and stalled around 38 or so. My internet then disconnected (wouldn't reconnect) and the download failed. I went back into windows uninstalled Ubuntu and then reinstalled it. After going through the first few steps again I began to update via update manager and surfed the web. After a few minutes of surfing the indicator began to flicker than just went off. I then connected to my neighbors internet, continued surfing and then the internet just crashed. I've found that when its just lightweight surfing, everythings okay, but during a download or any 2.0 surfing, then things start to get funky.
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Apr 3, 2010
running Ubuntu 9.10 x64bit fresh install and updated.When I connect with my 3g um150 modem it disconnects my home network?? I cannot get them to run both at the same time and of cousre the next thing would be to share the internet connection.
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Apr 10, 2010
My wireless disconnects after around 10 minutes. It does not reconnect automatically. I've to pull out the usb dongle and then put it back in to connect again.
[Code]....
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May 4, 2010
This problem is fixed in the upcoming kernel, 2.6.34. You can either wait until Canonical releases the update, or download, build and install the 2.6.34 kernel manually. The instructions to do so are HERE. It's fairly easy.I'm having a problem on Lucid (amd64) with a Linksys WUSB54Gv4 usb wifi adapter. After some time (varies between ~10 mins to a few hours), the connection is lost. However, in my case I can't connect back. It tries to establish the connection, then pops up the dialog asking for the WEP key again. It will do this repeatedly, not ever connecting back.This is basically how the disconnect looks in dmesg:Quote:
[ 2657.920014] phy0 -> rt2500usb_set_device_state: Error - Device failed to ente
r state 1 (-16).
[ 2658.120008] phy0 -> rt2500usb_set_device_state: Error - Device failed to enter state 3 (-16).
[code]....
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Jun 9, 2010
I've recently downloaded, installed Ubuntu 10.04 (june 5 2010)
As title suggests, this is about my USB wireless adapter Linksys WUSB54G ver.4 periodically failing. Now, the exact problem AND solution was posted on this thread:
[URL]
Essentially, I have to try a new kernel or something. I downloaded the kernel 2.6.34 at http://kernel.org/ which is supposed to solve my networking problem. But above thread suggests building my own kernel somehow [URL] and some of its steps are unfortunately not straightforward as copy-and-paste and i'm afraid i can't go on after trying to mimic command prompts a few times.
I tried referring to other sites, like
[URL]
but their suggested steps aren't exactly the same, or maybe they are really but i'm too dumb to see it.
I think I managed to copy the config file (i hope i chose the right one) and put it to the extracted folder of new kernel I just downloaded, but "Build the linux-image and linux-header .deb files" ?
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Jun 25, 2010
After upgrade to Lucid I have experienced intermittent wireless disruptions. The wireless just cuts out and reconnects.And I was hoping to continue or follow up on the same thread however with the released version.I tried replacing network manager with wicd and I tried the other driver options both without success.I'm currently using the Broadcom B43 driver, when I tried the Broadcom STA driver wireless would not work. I use the 64 bit OS, and this problem did not appear prior to the upgrade.
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Sep 19, 2010
I know i posted this in general help, but the reason i got no answers was because it was the wrong spot. code...
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Oct 29, 2010
I have an hp compaq 6720s laptop dualboot vista/ubuntu lucyd.My wireless card is Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02), controlled by wicd 1.7.0 (gnome network manager connects/disconects the net continuously).The problem is, any time I do a scanning with wicd or from command line to see the wifi nets around,my wireless is disconnected, then it connects again because is set to automatic reconnection
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Nov 1, 2010
Running Ubuntu 10.10, and I can't get my WUSB100 v2 Linksys adapter to work. I've tried what's in this thread: [URL] Entered lsmod |grep rt into Terminal and found out it runs on the rt2800 chipset, so I blacklisted everything necessary. It finds and connects to my network but after about 10 minutes it disconnects and won't reconnect.
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Jan 6, 2011
I have a Dell Studio 1737 running Ubuntu 10.04 LTS.My WiFi was working fine a few days ago until I tried to boot into another mode that allows me to boot into my other Ubuntu 10.04 or Windows Vista.I booted into that Ubuntu, which I thought had been overwritten when I was having problems and installed the one I am currently using.I shut down since it didn't have anything of any use to me at the moment, and I booted back into this current Ubuntu.Now, whenever I shut my laptop screen and open it back up to login, the WiFi is disconnected.(I was also having this problem on the Ubuntu that I booted into earlier, but that WiFi did this from the start on that one.)
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Jan 11, 2011
After the last system update (few days ago) the wireless box disconnects and reconnects continuously (every 60-90 secs). This is the pertinent /var/log/messages when it disconnects:
Code:
Jan 11 16:16:24 ibm kernel: [ 8073.320442] -->RTUSBVenderReset
Jan 11 16:16:24 ibm kernel: [ 8073.321453] <--RTUSBVenderReset
Jan 11 16:16:26 ibm kernel: [ 8075.624596] Key1Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.624632] Key2Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.624668] Key3Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.624705] Key4Str is Invalid key length(0) or Type(0)
Jan 11 16:16:26 ibm kernel: [ 8075.625355] 1. Phy Mode = 0
Jan 11 16:16:26 ibm kernel: [ 8075.625358] 2. Phy Mode = 0
Jan 11 16:16:26 ibm kernel: [ 8075.741083] 3. Phy Mode = 0
Jan 11 16:16:26 ibm kernel: [ 8075.780107] MCS Set = 00 00 00 00 00
Jan 11 16:16:26 ibm kernel: [ 8075.795195] <==== rt28xx_init, Status=0
Jan 11 16:16:26 ibm kernel: [ 8075.807107] 0x1300 = 000a4200
Jan 11 16:16:28 ibm kernel: [ 8077.937015] pci 0000:02:1d.0: wake-up capability enabled by ACPI
Jan 11 16:16:28 ibm kernel: [ 8077.960539] pci 0000:02:1d.0: wake-up capability disabled by ACPI
Jan 11 16:16:28 ibm kernel: [ 8077.977291] tg3 0000:03:01.0: BAR 0: set to [mem 0xfb100000-0xfb10ffff 64bit] (PCI address [0xfb100000-0xfb10ffff]
Jan 11 16:16:29 ibm kernel: [ 8078.097571] ADDRCONF(NETDEV_UP): eth1: link is not ready
And this when manually reconnected:
Code:
Jan 11 16:16:37 ibm kernel: [ 8086.167522] -->RTUSBVenderReset
Jan 11 16:16:37 ibm kernel: [ 8086.168530] <--RTUSBVenderReset
Jan 11 16:16:39 ibm kernel: [ 8088.464724] Key1Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.464760] Key2Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.464796] Key3Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.464833] Key4Str is Invalid key length(0) or Type(0)
Jan 11 16:16:39 ibm kernel: [ 8088.465510] 1. Phy Mode = 0
Jan 11 16:16:39 ibm kernel: [ 8088.465513] 2. Phy Mode = 0
Jan 11 16:16:39 ibm kernel: [ 8088.581175] 3. Phy Mode = 0
Jan 11 16:16:39 ibm kernel: [ 8088.621207] MCS Set = 00 00 00 00 00
Jan 11 16:16:39 ibm kernel: [ 8088.636185] <==== rt28xx_init, Status=0
Jan 11 16:16:39 ibm kernel: [ 8088.648150] 0x1300 = 000a4200
Jan 11 16:16:39 ibm kernel: [ 8088.751141] ERROR!!! RTMPSetTimer failed, Halt in Progress!
What is going on?
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Feb 16, 2011
I use a PPTP VPN for privacy and bittorrent. I have been over all very happy, only taking about a 1/4 hit to my over all network speed. However, I recently downgraded my VPN package, and the new sever I connect through is sometimes unstable with a high throughput. Because of this I am trying to find a way to block ALL (HTTP, bittorrent, email, etc) outgoing network traffic when the VPN fails, and then resume the traffic when the VPN reconnects. Essentially forcing all data through the VPN, and creating the illusion of simply having no network connection to the outside world at all when the VPN is offline/re-connecting. This is opposed to the current situation when the VPN will fail, all my traffic will switch to direct (visible) access through my ISP, and the VPN will re-establish sometime later (2-3mins, normally. Unless I manually restart it sooner).
I have tried Google, but have only been finding information on configuring local web access outside of the VPN for the sake of speed. Information of which I cannot seem to find a way to apply to this.
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Mar 9, 2011
I facing a really annoying problem. I download regularly during the night using Wifi. The problem is that because I'm away, the wireless just disconnects and the pop window shows up asking me to into the password. The password is already saved in the windows so I just have to click 'connect'ut I don't understand why does it disconnect and when it tries to connect it asks for password again!y doesn't it simply 'try' to connect without asking the password when it is already saved.
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Mar 31, 2011
I've got a Toshiba Satellite with the Realtek rtl8188ce network card. I've successfully downloaded, compiled and installed the driver and it works great except when running the machine on battery power when it constantly disconnects, like every minute or two.
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May 8, 2011
I recently upgraded from Maverick Meerkat to (classic) Natty Narwhal Ubuntu Linux. I am running on a Toshiba Satellite A665 (Intel i7). I use a wireless internet connection. Under Maverick, I had no issues. Under the update, I am finding that occasionally things stop working: The indicator Applet looks fine, but from a terminal, I find that I am no longer able to ping my own router (less than 10 feet away.) This behavior occurs after working fine for a few hours. I am unsure if anything in particular triggers it (I will report back if I determine a particular cause). I have a few other computers (2 running Windows, and the other Maverick Meerkat) -- and they are unaffected. Turning wireless off and on resolves the issue for me on Natty. Rebooting also works. Here's some hopefully relevant technical details about my system:
Code:
~$ rfkill list all
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
[Code]...
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Jun 18, 2011
I'm having issue with my wireless connection. I'm not sure if it is the WPA security causing the issue, but I randomly lose connection to the router. The network manager then scans for available wireless routers for a bit before trying to reconnect to my router and asking for my wireless password again.
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