Ubuntu Networking :: Download Speeds Drop Constantly
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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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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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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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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Mar 21, 2010
I am having problems with download speeds in Ubuntu 9.10. Downloads start at a healthy speed and then drop to almost zero. This affects apt-get install, Pan newsreader etc. With apt-get install if I terminate the download (with [Ctl][C]) and restart it I get another burst at high speed then again back to almost nothing. It makes updates a nightmare. With Pan newsreader I get high speed for most files but when downloading some of the larger files the speed drops right back to almost nothing after a while. I am on wired ethernet (no wireless). Typically I will get about 1.1MB before the speed drops - although I think it may be a function of time rather than data. I am talking to my ISP via a Netgear FWAG114 router and a NetComm NB5 ADSL modem operating in bridge mode. Although a number of users appear to have experienced very similar symptoms here I haven't found an answer that works.
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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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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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Oct 28, 2010
I have managed to compile and load the RaLink drivers for my wifi card and get an internet connection.My problem is that when I do a broadband speed test on using chrome I get about 1.5 Mbs and on my laptop (Windows 7 meh :-( ) its closer to 7Mbs. I was wondering if there are any other settings I can modify or tweak that could potentially change to improve this. or maybe a better way to test the through put of my connection?I downloaded the latest drivers for my device from Ralink and compiled new module, but I get a little confused on what settings to do and where it reads any configuration information from.
Also this may be off topic or thread, if so I apologise, but I am sure there is a quick answer to this and there is a lot of different information out there on where and how I load my new rt3562sta.ko module into the kernel on start up. As currently I am calling insmod on it manually every time I start up then the Network Manager picks it up and connects.
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Jul 15, 2010
I am new to Linux and have recently dropped Windows 7 (and windows all together for that matter) for Ubuntu 10.04.I love the look and feel of Linux and enjoy using it more over Windows. Despite this I am experiencing a serious problem which may cause me to revert back to Windows 7.I have a USB 3G modem: ZTE MF622 on the KKTCELL network.I have got this modem to work with wvdial and Gnome PPP, however i cannot get speeds over 60kb, Windows gives me well over 200kb.
I have tried a number of things but nothing has worked, it seems that no-one has posted a solution to this annoying conundrum.
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Apr 10, 2010
I'm finding that the internet speed in Ubuntu 10.04 is over twice as slow as the speeds that I am getting in Windows 7.I've tried disabling IPv6 through Grub and Firefox but it didn't really help much.. anything else I can try?Connecting through wireless at 54 Mbps.
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Dec 27, 2010
I have a BCM4321 and have not been able to get it to connect at N speeds, but finally got it working with broadcoms drivers from their site. The drivers in jockey would only get me b/g speed not n. Quote:Originally Posted by lshw -c network
[code]...
here is a small script that I wrote to assist others in getting it installed and working. First download the drivers from [URL]... then copy this into a script: compile.sh
[code]...
if the kernel changes then you will have to do this again. if you don't want that hassel and don't mind staying on your current kernel then lock it in the package manager.
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May 15, 2011
I'm using a Netgear WN11v2 wireless USB card, which I've read some people can't even get working with the default Ubuntu wireless driver. It works for me, but it disconnects fairly often, and download speeds are extremely slow, like 12-15 kB/s. I have broadband, and am running Ubuntu 11.04.
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Feb 26, 2010
I have a HP DC-7600 with the built-in nic [3f:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethe
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This was the best optimisation I could get, I did follow the NFS HOWTO. Copying from my PC does not exceed 120Mbits/s (System Monitor). My PC nic does not support jumbo frames. I'm looking for any assistance to improve my network speed. My PC has 4GB RAM. I copied 74GB of average sized files between 4MB to 12MB (uh ... compressed audio) and it took 155 mins using tar:
[Code]...
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Apr 5, 2010
I am currently staying on a university campus in Taiwan. Internet on Ubuntu Lucid 64bit here is often painfully slow, except for connections to Taiwanese websites. I dual boot with Windows 7, and there is no problem there. For instance, I downloaded the same piece of software (Spideroak) on both Win and Ubuntu, with Ubuntu I had to try repeatedly as the download would not complete, and in the end it took several hours to download. On W7, it took 10 minutes. What is Windows and Ubuntu doing differently?
I tried disabling ipv6 for this session by running sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1, as a number of posts mention improving connection speed that way, but no effect.
I know that websites from Taiwan are working well, because I am getting my Ubuntu updates from a Taiwanese mirror: updates are fast, except for packages in the 'partner' repos (presumably not loaded from the mirror) which take hours to load, if at all. I don't want to depend on Windows for large downloads... (I don't want to depend on Windows for anything).
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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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Aug 4, 2010
I've just managed to access my windows share from Ubuntu but am now getting write speeds (to xp share) of only 9MB/s over my wired network, anyone have any ideas as to why this may be? I've googled but can find no specific answer.
My NIC is:
Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe (rev 10)
(from lspci) on a Dell studio 1737)
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Oct 29, 2010
I'm wondering if there is anything I can do to get the best speeds possible. I pay for 16mb/s connection (with charter) and I was getting about 4mb/s. After upgrading firmware, and changing some encryption settings on my router, that went up to about 6mb/s. It's improvement, and I'm happy with that, but I'm looking for that 10 more mb/s
So, is there anything in Ubuntu to tweak to optimize connection speeds? Also, if it affects anything, I'm using a linksys WRT320N router. I was going to use the 5.0ghz band, but my wireless adapter is an 802.11gb, so I'm stuck with 2.4.
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May 6, 2009
I used www.speedtest.net to test my download through firefox first on vista and then on Ubuntu (9.04) - it is a dual boot machine.
Whilst I get between 18 and 19 mbs on Vista I only get 4.5 on Ubuntu - how do I fix this - is it an issue with my ethernet drivers or my setup?
I am on a 20mbs cable modem - I connect via an ethernet cable to a router - which obviously connects to the cable modem.
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Apr 4, 2010
First of all I have two Gentoo Linux computers. These computer both have Ethernet ports that support 1000MB/s speeds. Here is the ethtool report for both of the cards.
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Link detected: yes I have a Cat6 cable connecting the two computers together for direct file backup. Now when I run iperf to check my speeds, I get the following:
[code]...
My question is why is this so slow and how do I get my speeds closer to 1000Mb/s?
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Apr 15, 2010
I am running 10.04 beta right now, on a hp a6740in , I have wireless usb adapter WG111v3 with me for connecting to my home network , It works perfect in windows but i am trying to get working it with Ubuntu since the past year. In 10.04 beta , It MAY connects for sometime and then drops out,trying to connect again and again, asking me to review the password each time.
I have also filed a bug about the same some 6-7 months month ago, but the ubuntu community seems busy with many other things. So i decided finally posting on the forum again , hoping to get a working solution this time(previous was when jaunty launched) This is the only thing that keeps me away from using ubuntu for my general day work, I have already searched through ubuntu forums but always end up with ndiswrapper thing which doesnt works.
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Sep 15, 2010
I have been running Ubuntu for 2 years and have not had a problem like this. Randomly one day my wireless dropped out. I can see other networks on my laptop, but they are all locked so i cant test and see if i can connect to them so i went to my friends house and was connect fine for over an hour.
Also my PS3 and my windows box connect to my router and internet just fine.
I then assumed that this was a hardware issue then with my wireless card on my laptop. So i called up lenovo and they sent me a new wireless card. I installed it and still had the same problem.
Lenovo t400
Intel 5300 Wireless
Ubuntu 10.4
Router
Dlink-655
I realixe i am not giving to much information, let me know what you need and i will provide it.
I tried buying a new router now and it worked great!!!..... for an hour. Now it is doing the same thing.
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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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May 24, 2010
My wireless network is giving me a fit. Slow transfer speeds and then I lose connection and have to reboot.
greg@greg-computer:~$ /sbin/ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:92 errors:0 dropped:0 overruns:0 frame:0
TX packets:92 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:10214 (10.2 KB) TX bytes:10214 (10.2 KB)
wlan0 Link encap:Ethernet HWaddr 00:16:b6:5a:9c:a5
inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::216:b6ff:fe5a:9ca5/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:13085 errors:0 dropped:0 overruns:0 frame:0
TX packets:9600 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:15268450 (15.2 MB) TX bytes:2704035 (2.7 MB)
wmaster0 Link encap:UNSPEC HWaddr 00-16-B6-5A-9C-A5-00-00-00-00-00-00-00-00-00-00
UP RUNNING MTU:0 Metric:1
RX packets: 0 errors:0 dropped:0 overruns:0 frame:0
TX packets: 0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes: 0 (0.0 B) TX bytes:0 (0.0 B)
greg@greg-computer:~$ netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 wlan0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0
greg@greg-computer:~$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 192.168.1.1
greg@greg-computer:~$
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Jan 10, 2011
I've recently purchased a TP-WNL951N PCI Card for wireless N stuff. I have a Netgear WNDR3700 for use with my AP and I've confirmed that within windows XP I can connect at 300mb/s.
Within Ubuntu though, it only goes up to 54mb/s. Is there something special I need to do to enable wireless N speeds?
Here's some info that I should probably put in:
Code:
root@Linux:~# lspci -nn | grep Atheros
05:00.0 Network controller [0280]: Atheros Communications Inc. AR5008 Wireless Network Adapter [168c:0023] (rev 01)
root@Linux:~# ifconfig wlan0
[Code]....
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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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