Ubuntu Networking :: Slow Connections - Disconnects After 1 Min - Connect To Networks But Can't Surf
Mar 26, 2010
i have ubuntu 9.10 on a lenovo s10. i had my alfa awus036h and it worked fine no issues. except for having to reconnect every hour or so. anyway i got back track 4 final and installed it on usb with unetbootin. i started to use wicd and etter cap on it. and i made sure to turn off wicd when i was done then i went back into ubuntu (i didnt install bt) and i started to have problems like everyone else. slow connections ,disconnects after 1 min, and can still connect to networks but cant surf.
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Jan 23, 2011
Somewhere I've lost the Network Manager. it is listed in the installed programs as well as I can see all the components but do not see it in the menus anywhere nor the icon in the top panel... So even though I can connect to the wifi networks that I have connected to before it is very difficult to connect to new networks using Network Connections or so I find... I've tried reinstalling it many times but always find it saying installed but can't really access it... So how can I change that or are there a better network connection manager out there ???
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Sep 20, 2010
I am total newby in Ubuntu 10.04. I have just installed it in my office where I have two networks card one connect to a router giving the internet access and the other connected to the windows based work network providing access to the work network sources. In XP everything works fine as I can keep both connections alive and have the results I want.
However although I don't know how to do it in Ubuntu 10.04. Till now I have setup the first connection directly to my router and I have internet access but I cannot set the other one. Another question is how I can force ubuntu to use the router connection as the default one when I log in.
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Nov 8, 2010
I have Dlink Wireless G Access Point.
I can connect to my access point to surf internet. I setup my Dlink access point (password, network name, etc) in Vista by visiting "http://dlinkap/" in my web browser.
In ubuntu, I can connect and surf the web/internet but i cannot access the setup page.
When I try to type the "http://dlinkap/" to my browser then the browser will redirect it to google search.
I try 192.168.1.1, I can access my linksys router. but my dlink access point, i cannot access the setup page.
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Nov 30, 2010
Just installed yesterday - and I love it so far except my wireless turns on for about 5 minutes, then disconnects.
In order to get internet back I have to either restart or uncheck "Enable Networking" and then recheck it.
I will try to provide as much information, but like I said I am new to Ubuntu and there is some things that are completely different from what I'm used to on Windows:
Wireless Adapter: Netgear RangeMax Next Wireless PCI Adapter WN311B
Additional Driver its Using: Broadcom STA wireless driver
Router: Netgear RangeMax
Information From "sudo iwconfig":
Code:
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May 3, 2011
I can not connect to wifi networks, i can see them but not connect.
My wifi device is:
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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 29, 2010
A friend called me today and he explained to me that after his ubuntu install he was unable to connect to a wired Ethernet network. He says it trys to connect using ETH0 and then seemingly fails and disconnects. I have him run a if config and send me a pic. The very odd thing about it is He had a lot 5-8 INET6 address? The laptops is Acer extensa 4420
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Jun 22, 2011
Working on ubuntu 10.04 on an IBM Thinkpad X61 laptop with an Alpha 2W wireless usb card on wlan0. Once in a while the wireless network disconnects and can't connect to any network in range (open, wep, wpa, wpa2). It looks like it's trying to connect but then asks for a password (even if allready given one) and if open just not finishing connecting and trying to connect to another network. Happends the same with wicd. Network card is working ok. Also with other computers. Drivers are installed correctly and power consumption management is off.
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Mar 28, 2010
I want to identify why my ISP is sometimes slow, and wonder how and what tools to use. The problem is as follows: While the lines are very fast, I experience that at times of day where there are presumably high traffic, a new initial connection is very slow and unstable. For example getting response from DNS is slow. And after getting the answer, getting response from a web server is also slow. Or sometimes there is no response at all, and I have to retry. Running a speed test will show high data rates. So it is only initial connection that is slow/unstable.
What is the explanation for these symptoms? Are there some tools and tests I can use to pinpoint the problem from home, without/before contacting the ISP?
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Jan 24, 2011
I have an hp dm1z and ubuntu 10.10 64bit. After I suspend (close the lid) and wake it up (open the lid) at a different location with a network connection (wired or wireless), my system always fails to connect. I need to reboot and then it sees the network and connects fine. I have tried /etc/inet.d/networking restart, but nothing changes. The only exception to this rule are two networks that have WPA security settings and are stored. I can always switch between those two. I have tried ifconfig eth0 up & down and restart networking. I have also tried to connect manually (dhclient) and no success. None of these work. I am including the output of lshw -C network.
lshw -C network:
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
[code]....
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Feb 1, 2011
I have an MSI Wind U100 netbook running Maverick, and it has a Realtek RTL8187SE Wireless controller according to lshw. My computer can "see" some wireless networks where they are present, meaning when I click on the little network icon at the top of my screen it shows the available networks. But when I click on them to connect, the icon does its little "connecting" motion, but I never receive any message saying "Connected" and when I open Firefox and try to browse to google.com, it says "Server not found"
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Mar 22, 2011
I have an ethernet card connected to my LAN and a USB cell modem internet connection. I am running ubuntu 10.10. The problem is this: I can use either network, but only am connected to one of them. If I connect to both at the same time my speed drops to zero.f I disconnect one, the other starts working. I have done a lot of searching and reading, but it looks like I don't know how to find what I am looking for.My LAN was setup as 3 WinXP computers peer to peer. One of those computers was replaced by this one that I am having trouble with (computer A). Another one was replaced by one that is not yet on the network (computer C).Computer B dual boots Win XP and ubuntu 10.4. Mostly it ns xp for Quickbooks and BobCAD, also it is connected to the printer. My router is setup for DHCP
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Jun 14, 2010
We have two networks,one is 10.0.0.* with mask 255.255.255.0 & the other 20.0.0.* with mask 255.255.255.0 and one linux(RHEL5) PC with two network interface eth0,eth1.(configured as Router)
eth0 is 10.0.0.1 and eth1 is 20.0.0.1
we have enabled IP_Forward using "sysctl w net.ipv4.ip_forward=1"
cat /proc/sys/net/ipv4/ip_forward is 1
but unable to ping from one network to other network.
two networks are connected to Linux PC.(10.0.0.1 & 20.0.0.1)
still wht configuration required to establish the connection between two networks using LINUX PC.
from router(linux PC) both network PC's are pinging but not from one network to other network.
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Jan 16, 2010
I recently ubgraded to ubuntu 9.10 from 9.04, but I had the same problem there. I can see the secure connections, but when I try to connect to them, it tries to connect, works at it for about a minute, and then asks for the password again. This just started a week ago or so. I am new with ubuntu, so while I know that there are terminal outputs I should probably post, I don't know which ones.
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Mar 4, 2010
1) I connect to the internet on a wireless router from my isp.
2) I use an older router for my media server (pc) to my ps3. The router given to me from my isp is the only one I can use to connect to the internet, yet it has the worst UPnP support (ie: none).
So with this current setup, I have to disconnect from the the wired network to be able to access the internet. So how can I access the internet while still connected to the wired network?
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Mar 23, 2010
I have a machine running Xubuntu [2.6.22-14-generic]. I have been trying to get this machine connected to wireless for ages, and I'm having another stab at it. So far I have install ndiswrapper and loaded the driver for a Linksys wireless adapter. The output of 'ndiswrapper -l' reports:
Code:
wusb11v4 : driver installed
devoce (13B1: 000B) present
So as far as my newbie knowledge goes, I believe that step to be completed, correct?When I turn on the machine is type in
Code:
sudo sh
modprobe ndiswrapper
to get the card running to where it will appear in the iwconfig dialog.The commands 'iwlist wlan0 scan' will list all the wireless networks around me, but I have been un-able to connect to any network, even unencrypted ones. I have tried to connect both through Wicd and command-line to no avail. For command-line I have used:
Code:
sudo ifconfig wlan0 down
sudo dhclient -r wlan0
sudo ifconfig wlan0 up
[code]....
With the final 'dhclient wlan0' commands, the following is returned:
Code:
There is already a pid file /var/run/dhclient.pid with pid 134519120
Internet Systems Consortium DHCP Client V3.0.5
Copyright 2004-2006 Internet Systems Consortium
[code].....
I have attempted to go ahead a step further and connect to an encrypted wireless network, however, I receive the same message, as well as another error message upon trying to enter the key, with the following code:
Code:
iwconfig wlan0 key s:"thekey"
Error for wireless request "Set Encode" (8B2A) : SET failed on device wlan0 ; Invalid argument.
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Jun 30, 2010
I have an Atheros AR242x card. It can see my wireless network (WPA2). When i attempt to connect to the network it asks for the WPA2 passphrase. After entering the password it begins connecting but hangs up for about 3 minutes before saying wireless disconnected. The wireless worked for one day on a fresh install (Ubuntu 10.04)and then started doing this.
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Aug 1, 2010
I have a WLAN Driver Azure Wave AW-NU222 Wireless LAN Card in my Medion computer.
After installing Ubuntu it seems to detect the wireless networks in my area. However, when I try to connect to my network, it tries for several minutes and then times out with no error message. I have set up the credentials and also tried removing the encryption (WPA-PSK) from the network itself, but it still doesn't connect.
Connect via an Ethernet cable is fine, and I know that the network is good because I can connect via my Windows Laptop and various other wireless devices.
I suspect it's due to drivers, but I'm having trouble downloading a driver which I can try and install using Ndiswrapper. The Medion website just a windows executable when I try and download the driver specific to my machine when I really need the .inf file.
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Sep 27, 2010
Here is a situation I have never come across (though I have only been using linux since 2004).I am running ubuntu 10.04 and using Wicd Network Manager.I can connect to my WPA encrypted home network, but if I go to my coffee shop to use their unencrypted wifi - I cannot.Even using the terminal. I think it is the way the device sees the network - but I don't know how to fix it.I have a screenshot with wicd here:And one with connecting to the essid here:Afterwhich, dhclient was unable to obtain an ipaddress - just like wicd above.
My iphone connected to this network easily without encryption or needing to use the browser to authenticate, etc.Any ideas on how to fix this?Specs:Samsung NC10lspci:
Code:
02:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 01)
[code]....
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Oct 6, 2010
I have a HP Mini1000 and recently switched over to Ubuntu. I followed the directions found here:[URL] However, I still cannot connect to wireless networks though my card seems to be scanning for them and finding them. I have tried connecting to open networks and ones that require authentication.
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Nov 12, 2010
I have been using Ubuntu for quite a long time and I never got around fixing this particular wireless problem. I have tried Network Manager as well as Wicd. I am never able to connect to a secure network (WPA). When I use Network Manager, it just tries for a long time and gives up. As for WiCD, it again tries for a long time and finally says "Bad Password". Of course, the passkey is correct. When I connect to an unsecured network, it goes through just fine. I have a Dell Inspiron 1545 which uses a Broadcom 43xx Driver.
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Jan 3, 2011
I've managed to install my WUSB600N on 10.10 (which was NOT easy!!) and I can see all my local wireless networks, but I can't connect - it attempts to connect then disconnects after what I guess is timing out.I know that you can place these cards in broadcast mode (I think), where you can see networks but not connect. Considering that to get this card working I had to attempt about four different sets of instructions to get this far, could I have placed the card in a broadcast mode? I've been at this for about three days, and unless I go out an buy another network card (I'm currently connected using it through windows) then I'm going to have to give up on Linux, which I really don't want to
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Apr 23, 2011
I have an Eee PC 1015PEM with Ubuntu 10.10, I believe the wireless card is an rt3090 (though sometimes I see references to rt2860).I had problems getting this to connect to any wireless network originally but eventually was able to fix this by blacklisting a number of modules.However I am still unable to connect to hidden networks and have not been able to find a solution.
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May 8, 2011
Got Ubuntu 11.4 installed on my Lenovo Thinkpad X220.Except very very rare cases i'm not able to establish awlan connection.Scanning is possible at all times, monitor mode works as well.Network Controler (lspci)
Code:
03:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6205 [8086:0085] (rev 34)
[code]....
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May 20, 2011
So I was the one who couldn't get their ethernet port to function properly. Most likely, this was the result of bad hardware since none of the community's suggestions for software fixes did anything. I believe this is probably true.Indeed, when I bought a cheap $10 wireless USB dongle, it immediately worked better than all the previous things. It detected networks, displayed network strength and even allowed me to attempt login.
The only problem now seems to be that it cannot login. I've rechecked the password countless times, but it just shows the 'connecting to wireless' animation for a minute or two and then poops out and says, 'disconnected'.I assume if everything is getting me this far, the driver is not the problem with the device. Is this a safe assumption?
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Dec 13, 2010
I have my main network with internet and DHCP which is on 192.168.x.x with a router.Now I have set up an Ubuntu file server and i want it on a separate home network with static ip addresses range of 10.x.x.x. and it is also connected torouter.So i will have two networks, one private static with no direct internet access, and the other with internet and DHCP. I want to know how I would "bridge" these two networks so that I could access my file server from the DHCP network. How is this typically done?
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May 15, 2010
I decided to upgrade to Ubuntu 10.04 a few days ago. My internet then stopped working.I changed the security for my network to WEP (instead of WPA)Is there another way around this problem or can I just download another driver? I do not intend to stick with a WEP secured network.
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May 30, 2010
I've installed it no problems on my desktop and I really love it. Now I'm trying to install it on my Satellite and I'm having a couple of problems. When trying to connect to my wireless network, I can see my network, but it will just keep asking me for my WEP. I've confirmed that there is nothing wrong with the network or the password I've provided. Sometimes when I boot up, the network manager just says that the wireless networks are disconnected and can't find any. The wired connection always works just fine.
Here are the system specs:
Toshiba Satellite M45 S169
Ubuntu 10.04 Lucid Lynx LTS Fresh Install
Ethernet controller: Atheros Communications Inc. AR2413 802.11bg NIC (rev 01)
Kernel driver in use: ath5k
Kernel Modules: ath5k
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Jul 2, 2010
I have a problem with network manager. I use Ubuntu 10.04 on a Dell Latitude D530. I used to have the same problem with Ubuntu 9.10 before I upgraded. I typically connect to two wireless networks: HOME and WORK. Both networks are set to automatic connection mode. I am at work, I connect to the network WORK. At the end of the day, I just close the lid and go home. At home, I open the lid and have the following problem: network manager still displays the network WORK whereas it is clearly out-of-range and it automatically tries to connect to it. It does so until network manager asks if the password is correct.
If I want to connect to HOME, I have to tell network manager to do so. Then, I receive a notification that I am disconnected to WORK. Next morning, I go to work, and I have the same problem, network manager tries to automatically connect to HOME. What I would expect from network manager: when I am at home, NM automatically connects to HOME and does not display WORK, when I am at work, NM automatically connects to WORK and does not display HOME.
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