Ubuntu Networking :: Variable Download Speeds, Faulty Wifi Card?
Oct 12, 2010
I'm having a variety of problems getting a new PC working properly, getting a reliable wifi connection is one of them. Earlier today I upgraded to 10.10 using my wife's account and download speeds were frequently at a reasonable 800kbps at times. This evening my son complains about the slow speed and a test shows 133kbps download with 616kbps upload. My own PC connected by wire to the router works OK.
A couple of days ago this problem seemed resolved when I installed Wicd but didn't configure it. I thought Network-Manager would have been removed but was still present. However, a downloads test showed 6Mbps. After today's upgrade slow downloads have returned.
I'm currently using this PC with a wifi link to the router and am connected to the Forum. If I hover the mouse pointer over the N-M toolbar symbol a window opens saying-
Wireless network connection 'Auto MYESSID'active:MYESSID(67%) If I right mouse click on the N-M symbol and select Edit connection... the wireless window reports that I was last connected 3 days ago. My own PC's wired connection window says against Auto eth0 that I've never used this. Both these are untrue. I wondered if having a hidden ESSID doesn't help? I'm left thinking that the rt2500 based wifi card needs replacing. We're some distance from other houses.
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May 12, 2010
I'm on Ubuntu 10.04 and I'm having problems with internet speeds on wifi. I have tried the two available networks on my university campus and both of them are very slow with 10.04. I'm not having problems with Windows 7 running on these networks. Although, the wired network works perfectly fine, with normal speeds. I've looked around for help but I could not find anything specific to this problem.
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Apr 19, 2011
I have had a fairly perplexing problem with my Lubuntu Maverick installation on my laptop for the past few weeks. My laptop is connected to a DSL-based LAN via 100mbps Ethernet - pretty typical. Usually, the download speed from most websites tends to be around 340-350kb/s. However, its Ethernet connection seems to be having some strange hiccups. The speed starts out at normal ranges, but after about 5-10 minutes of internet use through any means (be it loading normal web pages, streaming video, downloading a file via a browser, or even other uses such as downloading a torrent using Transmission, or even a command line application such as apt, aptitude or wget, etc), the speed suddenly drops to around 40kb/s and will not raise again.
Once this happens, the drop is seen across the board. Again, once it happens, the speed of everything that accesses the internet is affected. Web pages load slowly, all downloads will only operate at a maximum of 40kb/s, whether it is from any browser, or wget in a terminal. The speed stayed slow until I restarted, which would give me another 5-10 minutes. My troubleshooting attempts yielded some very strange results, which I will relate here:.......
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Mar 12, 2010
I am running Ubuntu 9.10 on a Dell inspiron 1520 with intel 3945abg wireless card. I am fairly new to linux and just installed it earlier in the day. Everything so far has been easy to setup and get running as well as the networking or so i though...
I can connect to my network and browse we pages just fine. However, when I download a file the speed starts high, drops down to around 50kbps and then works its way back up to around 1.3 mbps before dropping right back down. I tested a file on megaupload and it seems to bounce between 50kbps and 1.5mbps nonstop.
The driver i believe is the iwl3945 if that is the default driver. I have tried disabling ipv6 and that didnt seem to change anything. I've looked around on google and the forums and havent been able to find anything on how to fix this.
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Aug 27, 2010
I've been using Ubuntu for a while (though I would not consider myself an "expert") and have just gone back to school. I live on campus and connect to the network through an ethernet cord. On Windows, the download speed is 1 Mb/s by default, but if you go through and configure the network card (turning off the auto-negotiation and setting the speed to 10, duplex full) the download speed will increase to 10 Mb/s, a considerable difference. So, I tried to do this in Ubuntu by opening the terminal and typing the following:
sudo ethtool -s eth0 autoneg off speed 10 duplex full and all of a sudden, my computer isn't connecting to the internet. When I type: sudo ethtool -s eth0 autoneg on it suddenly starts working again.
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Aug 9, 2011
I have installed libapache2-mod-bw and it works great to throttle download speeds to the clients (i.e. - the bandwidth out of the server can be controlled just peachy).However, I need to limit the bandwidth *into* the server from specific networks because my WAN links are tiny and do not have QoS or shaping of any sort (I know, I know - contracts in place - will be fixed in November - not my design).I know that there are ways to throttle this at the interface level (e.g. - wondershaper) but I'd like to allow full bandwidth to the clients that are connected locally. The server in question is for web file transfers (under apache2 on 443) and expected file sizes are up to 2GB so a per-network limit would prove helpful.
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Mar 3, 2011
From what I can see in mii-tool I should be getting 1000Mbit link but when I transfer files I only get 100mpbs?
Code:
morrow:~# mii-tool
eth0: no link
eth1: no link
eth2: negotiated 1000baseT-HD flow-control, link ok
eth3: negotiated 1000baseT-HD flow-control, link ok
morrow:~# lshw -C Network
*-network:0 .....
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Apr 28, 2011
I just installed 11.04, and the software center is almost unusable. I'm currently clocking about 32kb/s on my modern laptop. Does anyone know how to fix this? PS- During install, it took 20 minutes to download the language packs, and it said I would be there close to forever for the update downloads.
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Sep 16, 2010
I cant seam to find out how to get my card to work i cant find out how to install the driver or finding the wifi card on the system.
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May 12, 2011
get WIFI working on my Dell D600 with Ubuntu 11.04 freshly installed. I some limited sucched following the this post t=1621331 this got the card working but it was very very slow over 70% packet loss to the WIFIrouter. 1. Machine details Dell Latitude D6002 Wireless Broadband and Chip setlspci -nn | grep Broadcom - 02:03.0 Network controller [0280]: Broadcom Corporation BCM4309 802.11a/b/g [14e4:4324] (rev 02)3. Check interfaces
eth0 Link encap:Ethernet HWaddr 00:0b:db:e0:1c:5b
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[code]...
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May 4, 2011
I am running (K)Ubuntu Lucid 10.04 64bit on a Dell Latitude E6400, WiFi Card Intel 5100. Never had any problems with networking. Up to about 2 weeks ago. I do realize there have been quite a few posts with this network adaptor, but non really described the problem I have here.
What happens is that suddenly the WiFi LED on the computer stops blinking, the WiFi connection gets disrupted, and the device is not recognized anymore when checking ifconfig. Only cold restarting the machine helps then... it will work for a while (between 1 and 20 minutes) and then crash again.
On Windows 7 the card works perfectly fine. With Ubuntu 11.04 in Live CD mode I have the same effects (connection crashes after a while). Also tried booting an older kernel, no success.
My exact hardware:
Code:
I notived the following problems in /var/log/kern.log
Code:
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Jun 29, 2010
I am using Ubuntu 10.04 and my internet works fine except for my download speeds. In Windows, downloading the same file, it downloads at around 200kb/s but in Ubuntu, it hovers around 20kb/s and never tops 50kb/s. Any idea how I can fix this because I really don't want to go back to Windows but I may have to.
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Sep 1, 2010
I'm currently downloading some files using wget. According to wget, the download speed is 40-45K/s. But according to the System Monitor, I'm downloading at a rate of 80-100KiB/s. What can explain this contradiction in download speeds? I'm not downloading updates or anything like that: wget, so far as I can tell, is the only downloading.
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Jun 28, 2011
Hey guys, I got a new laptop, so I installed ubuntu 11 on my old laptop. And I have noticed the download speeds have been extremely slow.I have only been getting speeds around 20-60 kbs/sec before I installed ubuntu when it was running windows 7, I was getting around 100-300 kbs/sec. I know its not my internet, because my new laptop runnings windows 7 gets about 250-300.Any suggestions? Its not just in chrome or firefox, its especially slow when downloading packages.
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Jan 10, 2010
Is there any way to tweak the torrent download speeds in ubuntu? i remember doing lots of things in utorrent when i was using windows. Like increasing max half open connections!! is there any equivalent settings for ubuntu? I am using qbittorrent as a torrent client.
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Mar 13, 2011
Whenever a client tries to download a file from my server via ftp, SAMBA, Teamspeak 3 File Transfer, etc., they report very slow download speeds, around 3-6 kb/s. If I try a ftp file transfer locally, the upload speeds are normal, but I still experience slow download speeds.
My server is connected to a router, which connects to the internet. All other machines connected to that router can upload and download files at normal speeds. It seems to be a server problem, I just don't know where to start.
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Aug 10, 2011
A few days ago I decided to do a clean install of 11.04 (which I was running when I followed this thread [URL], which solved my problem of my wifi not being able to surf the web or download anything, even though it said i was connected). After the install i noticed that my wifi was acting up and I realized I had to install the realtek driver again, like I did the first time. I followed the thread I stated above again the exact same as I did the first time when it worked for me, now when I boot up I get stuck after the grub menu, it goes to a black screen and I cannot get off of it. I reinstalled ubuntu 11.04 and everything was fine, then I compiled the realtk driver again and the same thing happened. Kernel version 3.6.38-10 Generic (I think this has something to do with the black screen after the Grub menu).
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May 22, 2011
where can I download the proper driver for my wifi module : Ralink RT3090 ?
Ubuntu 10.04 propose the rt3090sta which is no good
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Jun 30, 2011
In my desktop I recently installed one of these network cards. Web pages load pretty quickly, but the signal is only 2 out of 5 bars. On my notebook, I get 4/5 bars from the same location away from my wireless router. I have a 25/25 Verizon FiOS plan and can usually obtain around 30Mbps through Speedtest on my wired machines and notebook. But for some reason, my desktop barely goes over 4Mbps.
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Jan 22, 2010
Ubuntu 9.04 running on a Dell C640 with a Dell TrueMobile 1150 wireless card. Works perfectly under XP. Ubuntu can't find it. Wired networking finds the internet perfectly (though I'm still working on getting samba set up correctly for file/print sharing on my XP LAN).
I'm thinking I need a driver, maybe? Can't seem to locate one.
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Jul 13, 2010
i just thought the last few days about trying Ubuntu. so i did. i got a nice and fresh copy of Ubuntu Desktop version and installed it, everything worked great except my wireless usb 2.0 card. the only internet connection i have under windows is Wifi and i hoped that my dongle will be recognized by Ubuntu automatically...(naturally, it wasn't the case.)
so my adapter looks exactly like this one here, except for the color, it's white and it has my WISP's name written on it (i got it from them, along with a cd that offers win xp/98/me drivers...)
so even everest sees it's atheros and it's the Atheros AR5523 chipset.
i also have windows 7 64bit drivers if they help...
anyway, i can't get it to work and cannot access the internet any other way when on Ubuntu, so i have to use an already-saved driver..
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Jun 7, 2011
as per pytheas22, i'm attaching few details here. my download speed would starts at 470 kB/s and gradually decreases until it reaches 116 kB/s. Loading web pages seems to be fine.
[Code]...
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Jan 17, 2010
i was wondering how to get the above wifi card working as it is not supported.
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Feb 16, 2010
I have downloaded the driver installed it, and it works fine. But i can't get to turn it off. I do have the ability to unload the driver's kernel modules and the sysyem does not see my card after that. That's ok, but i'm thinking it still uses my battery power. The wifi led is always on no matter what i do. The fn+<wifi key> doesn't to anything.
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May 15, 2010
i installed ubuntu on my friends laptop but when he tries to connect to his network and enters his wep key the box disappears for a few second and comes back again...The card is Atheros on a Toshiba laptop and it is detected , it finds the networks but the wep key is rejected every time without a error
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May 31, 2010
I've just installed Ubuntu 10.04 on my old X30 alongside my fully working 8.04 and have strange wifi problems under 10.04 (under 8.04 it worked out of the box):
- no available networks are shown
- running "sudo iwlist scanning" results in "eth1
Interface doesn't support scanning : Device or resource busy"
- without any wireless configuration from my side I get this:
sudo iwconfig eth1
eth1 IEEE 802.11b ESSID:"gxC6isQxFFJxEC)xCDxBAxAB
xF2xFBxE3F|xC2TxF8x1BxE8xE7x8DvZ.c3x9FxC 9x9A"
Mode:Managed Frequency:2.467 GHz Access Point: None
Bit Rate:11 Mb/s Sensitivity:1/0
Retry short limit:8 RTS thrff Fragment thrff
Encryption keyff
Power Managementff
Link Quality=90/70 Signal level=-8 dBm Noise level=-147 dBm
Rx invalid nwid:0 Rx invalid crypt:63 Rx invalid frag:0
Tx excessive retries:1 Invalid misc:0 Missed beacon:0
A very strange ESSID there appearing out of nowhere...
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Aug 27, 2010
This is the issue, and I have had this happen with a few card readers. I have a Alfa Usb Wifi adapter model number AWUS036H using the rtl8187 Chipset. It works fine, unless I plug in my flash card reader directly to the board. If I plug it in to a hub it works fine until I put a card in, I was also having the same issues using a USB Video Capture unit by the name of EASYCAP. This was also happening in XP. Must be some driver conflict of sorts.
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Sep 7, 2010
Is there a way to see the manufacture of wifi router/card remotely like "inSSider" shows, for example ???
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Sep 8, 2010
Im looking for a pci wifi card for my media pc, I would prefer wired, but we are moving soon , so i dont want to take the time to run a wire through the house. Im looking for one that will work out of the box with Ubuntu.
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Apr 1, 2011
so I had to reinstall Ubuntu.But now my Wireless card won't work. It used to work before (plug and play), and I have no problem with it when I boot from the CD.I cannot use my cable connection because as soon as I plug my computer in, the network crashes, the router doesn't respond, gets hot and refuses to work until I unplug it and let it cool off for 2 minutes.I'm using Ubuntu 10.10, Desktop PC.
Code:
:~$ lsusb
Bus 001 Device 002: ID 0846:4260 Netgear, Inc. WG111v3 54 Mbps Wireless [realtek TRL818B]
[code]....
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