Ubuntu Networking :: Internet Disconnects Every 3 Hours

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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Ubuntu :: Vpnc Disconnects After About 8 Hours

Feb 13, 2011

I've seen a problem staying connected to a Cisco VPN, this goes back a number of years.I was running 8.10 and it was fine.After I moved to 9.10, the problem started happening.My VPN connection to work would drop after 8 hours.I looked around for a while and ended up compiling the cisco provided client which works fine (but is a pain).I've been running 9.10 on my work laptop, and it experiences the same problem using vpnc, but I've been dealing with it because it's easier than using the Cisco client.

I installed 10.04 on my work desktop, my home desktop, and a personal laptop that was previously running 8.10, and all experience the same problem with vpnc.I even go so far as to keep one terminal open with a constant ping all day and it still drops after about 8 hours. A couple of others at work experience the same problem using vpnc. This is not a problem using the Cisco provided client, or running it on windows or os/x.Has anybody else seen this, or have any ideas on what I can start looking for to get this addressed?

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Ubuntu Networking :: Internet Disconnects Every 2 Hour?

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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Ubuntu Networking :: Internet Keeps Stalling Then Eventually Just Disconnects

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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Ubuntu Networking :: 9.10 - Internet Connection Disconnects / Reconnect

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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Fedora Networking :: Internet Disconnects From Everything Else When Downloading?

Dec 19, 2010

iam working on fedora 14 kde 32-bit version

as the title says , when iam downloading anything from anywhere ,, even when iam updating , i cant use anything else on internet ,,, no chat , not even browsing ,

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Ubuntu Networking :: Cisco Anyconnect VNP Disconnects Internet Connection

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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Ubuntu Networking :: Intermittent Internet On Wireless/wifi - 10.10 Disconnects Repeatedly?

Dec 31, 2010

I just upgraded to Ubuntu 10.10 because I was facing internet problems with previous Ubuntu 9.04 after I upgraded it with downloaded software. And now, 10.10 connects to wireless, but shows web-page some-times and repeatedly disconnects. Earlier it wasn't reaching Internet at all. Some of the topics here helped a lot. But this intermittent internet seems not going anywhere. Wired Internet connects easily though.

I've tried :-

-disabling ipv6..... first in Firefox, then in Kernel also
-Setting DNS.....System> Preferences> Network Connections
-setting static Ip

The system still gives trouble.

My system is Asus UL20A.
Wireless:-Atheros AR9285

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Ubuntu Security :: Allow Internet Between Certain Hours Using Iptables?

Jan 6, 2011

I typed this into the command line:sudo iptables -A INPUT -p tcp --dport 80 -m time --timestart 12:00:00 --timestop 23:59:59 --days Sat, Sun -j ACCEPTI get this error:iptables v1.4.4: unknown option '--days'How do I do something similar above in which I allow the internet to start at 12 o clock on Saturdays and Sundays

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Ubuntu :: Internet Disconnects When Streaming Stuff?

Jul 26, 2010

Got a problem when I try to stream stuff off the net, such as watching ....., or listening to music clips.Basically, the internet just simply disconnects after a few seconds, or a minute at most after starting to stream - although it appears to be connected in the wireless icon thingymigig in the top right taskbar, eventually that goes though and says I'm disconnected.

While browsing normally, and using the net normally with messenger and looking throughwebsites,uploading/downloading via ftp, with no videos or music streaming, the net stays on - no problems.If I try to stream stuff from another computer running windoze 7, then these problems dont occur, the net doesn't disconnect and can stream till the end of time (or so it seems).Why does this happen just on the Linux machine?

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Ubuntu Servers :: KVM On 9.10 Host And Guest - Internet Disconnects For Some Seconds

Feb 25, 2010

I run KVM on 9.10 host and guest 9.10. Both are x64. When I halt the guest os:
My host OS looses its connection with internet for 10-15 seconds and then it comes back on. Probably something goes wrong with default gateway, as it looses only external network (I still can reach it on my internal network). I've googled a lot, but cant find anything about that. I use bridged network.

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Software :: Internet Stops Working And Wireless Disconnects In Ubuntu 10.04

May 31, 2010

Im having problems with Ubuntu 10.04. My wireless disconnects frequently and firefox seems to stop working. it seems the connection times out sometimes when firefox stops. other times the connection just disconnects. When I was running 9.04 everything worked and nothing disconnected, so I know its not my computer.

My laptop is an IBM t40, 1.4 ghz, 2gig of ram.It does not seem to mater if Im using the wireless or the wired connection. The problem happens either way.does anyone have a solution for this?

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OpenSUSE Network :: Internet DSL Auto Disconnects In 11.4 / Fix It?

Mar 13, 2011

While in Internet my connection seem to be off after some time when I stop browsing. I connect via DSL modem and I turned off network manager control over my DSL connection. I set up my connection on boot. Where can I fix it? Or where can I see the conf files for network connection setup?

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Software :: File Download Manager When Internet Disconnects?

Oct 25, 2010

I use Ubuntu 10.04 LTS. I need a download manager that can pause download whenever there is a network interruption, keeps pinging to check if the network is back on.. and then continues file download seamlessly.

Though this feature seems basic to download managers, so far I ve never seen it working well in Linux at all... I live in a place where voltage fluctuations and thereby internet disconnection is common, around this time of the year.. So I am desperate for a nice download manager. I had seen 'Star downloader' in Win XP work like a charm. But Kget and Gwget drive me nuts.. As soon as the internet is down, Gwget keeps displaying the same download speed and 'Retrieving...' status and. I need to keep checking in and resuming download.

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OpenSUSE Network :: DNS Settings And The Internet Connected, But Without The .exe Program It Just Disconnects After 10 Minutes?

Sep 13, 2010

i just installed open suse 11.3 after using linux mint 7(based on ubuntu 9.04).i am currently using two internet connections at home, the first is a vodafone mobile modem, which is workind excellent, and the other is a LAN network, that on windows uses a *.exe program to run. i managed to make all the IP, NETMASK, DNS settings and the internet connected, but without the .exe program it just disconnects after 10 minutes.this is the same thing that happens with the connections on windows if i start the computer and not run the "net.exe" program, but if that program is running the internet connections works just fine. i tried using wine to run net.exe, but it just gives an error message.

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Software :: Internet Connection - Fluent Under Debian Connects And Disconnects Repeatedly At Short Amounts Of Time

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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Ubuntu Networking :: Wi-fi Disconnect Every Few Hours?

Sep 25, 2010

Periodically, about 3 to 5 hours, Ubuntu disconnects from my wi-fi network and doesn't reconnect until I restart the router.This is an Ubuntu specific issue, since it doesn't happen when I boot into my Windows partition, and it doesn't happen to other computers on the network.

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Ubuntu Networking :: Loss Of Wireless After A Couple Of Hours

Mar 8, 2010

I have a hp dv3 laptop which dual boots Win7 and Ubuntu 9.1 64 bit. I have no issues with my wireless adapter in Win7, but I lose connection after a couple of hours in Ubuntu. When connection is lost it is not possible to view any wireless signals, the adapter is basically turned off. The only way to restore the connection is to reboot, then Ubuntu will again automatically connect to my WP2 encrypted router. My wireless adapter is a AR928X made by Atheros.

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Ubuntu Networking :: Realtek 8185 Disconnecting After A Few Hours?

Oct 2, 2010

I'm using Ubuntu 10.04 32 bits and a Realtek 8185 wireless card. The card worked perfectly fine with WPA for a long time in Windows 7, but on Ubuntu I'm having problems. Using it without installing anything else makes it work for a very short time. It disconnects after a while and I have no other choice but to restart the computer.

Using windows drivers and ndiswrapper doesn't work at all (in fact it makes things worse because it stops recognizing my card at all). Using the linux drivers from Realtek's website is what works the best so far. I had to compile them and install them. But it still disconnects after a few hours if I'm using WEP (and only after a few minutes if I'm using WPA). I looked at other people with 8185 problems in this forum but their solutions didn't work for me.

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Ubuntu Networking :: Rt270 Disconnects And No Reconnects?

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.


05:01.0 Network controller: RaLink RT2760 Wireless 802.11n 1T/2R Cardbus

sudo lshw -C network
description: Ethernet interface
product: 88E8056 PCI-E Gigabit Ethernet Controller


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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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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Ubuntu Networking :: Wireless Constantly Disconnects?

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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Ubuntu Networking :: Sudden Wifi Disconnects In 10.04?

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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Ubuntu Networking :: 10.10 - Wireless Disconnects At Random

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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Fedora X86/64bit :: 24 Hours Format To 12 Hours Format Lovelock?

Jul 27, 2011

I have a problem,I want to change the hour format from 24 hours to 12 hours, I cant find the way to do this,

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Ubuntu Networking :: Bandwidth Monitor - How Much Incoming Data Had In The Last 24 Hours

Feb 18, 2010

I'd like to find some sort of program which can tell me how much incoming data I've had in the last 24 hours. It goes by hours, not by days, but anything that's simple and that can display this will do. Is there any sort of program that does this? Something that would fit well with Ubuntu's style wouldn't hurt, but I'm not that worried about it as long as it does the job.

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Ubuntu Networking :: Wireless Connection Disconnect After 2 Hours Reboot?

Jul 20, 2010

do not post such long blocks of messages directly on the forums. Attach the output as .txt or use a pasetebin.

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Networking :: TCP Server Dies After Few Hours Of Inactivity ?

Jan 15, 2010

We have a NAS application which can be accessed by both HTTP and HTTPS connections.

The issue we are facing is that the tcp server instance that initiates the HTTP access dies after a few hours of inactivity(the NAS application was kept idle for around 10 hours). However, the tcpserver that launches HTTPS connections remained running.So the connection failed through HTTP access but the connection succeeded through HTTPS access.

The converse has also been observed where the tcpserver for HTTPS is dead but tcpserver for HTTP is running.

The version of tcpserver that we are using here is ucspi-tcp-0.88.tar.gz.

I have the following queries:

a)Has anyone faced the same problem before?

b)Is it an issue with this package version of tcpserver ?

c)Will upgrading to newer versions of tcpserver bail me out of the issue?

d)Also, could anyone let me know what are the possible causes for the tcpserver to die ?

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CentOS 5 Networking :: Loosing Network After Few Hours?

Jul 31, 2010

I have a problem with network on centos, after i restart the server it works for few hours/couple days, and the network is dropped. - no errors in the log, only that "Network is unreachable" I do 'service network restart' comes back on- directadmin, dns, awbs- everything works good, but only for few hours(never longer then couple days), and then it is dropped again. I searched many forums, and on one them someone wrote that it is because that static IP was used on the same network by other machine. I had a different server running with that ip on my network before, but it was few weeks ago, and there is no other server connected to the network right now (I have one desktop connected with dynamic ip, and it has no problem), and i still have the same problem.

I was suggested to set a cron jobs to restart network every few hours- i thing that is not a solution. Does anyone have any idea what could be a problem? Anyone had similar problems? What could be the reasons for the network to be dropped after few hours? Here is latest 'dmesg' output after losing network:

[root@server ~]# dmesg
Linux version 2.6.18-194.8.1.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu Jul 1 19:04:48 EDT 2010
Command line: ro root=LABEL=/ rhgb quiet
BIOS-provided physical RAM map:


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Ubuntu Networking :: Connecting 3g Modem Disconnects Home Lan?

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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