Fedora Networking :: Downloads Drop Unexpectedly In F14?
Nov 25, 2010
I have a fresh install of f14. Using an Intel dp55wb mobo w/ integrated nic. I have access to network. Have access to internet. When downloading large files (f14.iso or ..... vid) after ~35 secs, data stream drops to 0. Other computers on network do not have problem. F14 computer is wired into router. Have tried a Biostar mobo w/ integrated nic w/ same results. Have changed patch cable. Have changed MTU's both higher and lower from default of 1500, no change.
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Feb 15, 2009
I just switched from XUBUNTU to fedora 10 and have to say I will most likely change back. Unless someone can tell me how to speed up the internet connection in fedora. I have tried wireless and wired and it doesn't matter which I use the download rate is painfully slow. With wired I get a meg every minute. It really hurts to watch the monitor.Downloads for three seconds then takes a break for eight seconds then downloads for three more seconds and this goes on and on. I have a very fast connection and am used to getting amazing unbroken streams of data at no less than 1 meg every 2 seconds. I hope this is a rectifiable situation.
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Aug 22, 2009
I am using a VPN proxy service for privacy reasons. I have configured NetworkManager and it's PTPP VPN plug-in successfully.
I would like to configure NetworkManager to drop connections when the VPN fails so that I do not suffer 'privacy leaks' when it happens.
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Nov 17, 2010
I am new to fedora, but not so new to linux. I've got f13 installed on my netbook, and the speed and overall beter-ness? of it made me want to get it going on my desktop. I've installed, and have updated the kernel, and network manager (Along with a few other things). My problem is this; after about an hour or two I get a drop out, unable to reconnect. Until I use 'ifconfig wlan0 down > ifconfig wlan0 up' then it works great for about 10 minutes, slows down, and eventualy drops out. i updated networkmanager in the hopes it may have been that, but it really made only a slight difference.
iwconfig :
$ iwconfig wlan0
wlan0 IEEE 802.11bg ESSID:
Mode:Managed Frequency:2.462 GHz Access Point: 00:1E:2A:0E:08:50
Bit Rate=54 Mb/s Tx-Power=18 dBm
Retry long limit:7 RTS thr: off Fragment thr: off
Power Management: on
Link Quality=32/70 Signal level=-78 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
I am using a linksys wusb54g > chipset ralink rt2510? (don't quote me on that its from memory). I am also using WPA encription. I am currently messing with those setting to see if that helps.
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Feb 13, 2009
I downloaded F10 x86_64 live Developer Spin ISO file from fedora project spins website and burned it onto a DVD...Now when I try to boot from it, I get a menu as usual. Here I select the 'boot' option. Now it shows a 'loading' page with a progress bar and 'Fedora 10' written on the right side [as usual].. After that, on the next page I get the following error..
error: unexpectedly disconnected from boot status daemon I somehow did a reboot, and again the same problem. Microsoft XP and another Fedora are already installed on the same system..
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Dec 9, 2009
While creating a new VM for Win2K, I guet the following error when I try to "Finish":
Code:
Unable to complete install '<class 'libvirt.libvirtError'> socket closed unexpectedly
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/create.py", line 717, in do_install
dom = guest.start_install(False, meter = meter)
[code]....
This looks like a SELinux issue, since I do get a warning: SELinux is preventing qemu (qemu_t) "search" to / (fusefs_t). I'm attaching the complete SELinux Alert.
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Mar 20, 2011
We (3) have download limit problems with a 50G/month limit (Inc uploads). The router I cannot change, and it offers no useful options. So I am considering using IP forwarding from my own box. I think I would need a second nic, & router. Eth0 would run a dchp server, eth1 would run a client. What do I run on the box to monitor downloads & uploads, and is there a way of adding pc & laptop downloads to limit luser downloads? Does this stuff strangle speed? I'm running slackware-13.1
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Apr 9, 2011
I have Debian and want to be able to connect to an ftp server, download some (or all) files, disconnect from this server, connect to another ftp server and upload everything on it. (And delete the temporary files on my PC). This should be done form the command line. I am no expert in linux (although I am acustomed with it). How to do this (or part of the solution ). In the end I would like to write a script, that mirrors my site from 1 place to another.
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Jun 14, 2011
Have seen this post and was wondering why would that be so.
Quote:Originally Posted by DaveG
you do not want to download software through the privoxy filters - they could corrupt the data.
Privoxy is supposed to either block or allow specific adverts, why would that corrupt a single file, like an .exe or .tar.gz?
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Oct 19, 2010
Transmission says my port is closed. If I google the problem, it just gives me advice on how to open a port in Windows OS. There's no firewall in Ubuntu 10.10 by default, right? There isn't any router used neither. I'm living in a dorm. I just plug the LAN cable in the box fixed to the wall.
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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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Jan 16, 2011
I followed one of these tutos [URL]. My OS is Debian Lennny, iptables v1.4.2.
My iptables -L
iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED, ESTABLISHED
ACCEPT tcp -- anywhere anywhere tcp dpt:xxxx
ACCEPT icmp -- proxy.provider.net anywhere
ACCEPT icmp -- proxy.p19.provider.net anywhere
ACCEPT icmp -- proxy.rbx.provider.net anywhere
ACCEPT icmp -- proxy.rbx2.provider.net anywhere
ACCEPT icmp -- ping.provider.net anywhere
ACCEPT tcp -- cache.provider.net anywhere tcp dpt:ssh
DROP all -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:domain
ACCEPT tcp -- anywhere anywhere multiport dports www,https
ACCEPT icmp -- anywhere anywhere icmp echo-request
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
ACCEPT tcp -- anywhere anywhere tcp dpt:xxxx
As soon as I add "iptables -A OUTPUT -j DROP" server lock me out and I have to reboot to be able log back. The ssh port is open in both INPUT and OUTPUT what's wrong?
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Aug 8, 2011
I am currently working on a project at work to do caching across a windows network (web traffic thorugh squid and windows updates with WSUS). It is proving to be an interesting learning project.This got me thinking about my home network. Currently I am running 8 Fedora Computers (with the very real possiblity of more in the forseeable future).
Oviously running "yum update" on every computer and having them download these updates directly on each computer eats a lot of bandwidth on the external link. I would like to know if there is a way to set up a proxy server (or something else for that matter) to cache yum downloads. This way when I deploy a new machine, or run updates, I can save time and bandwidth by only downloading the packages too my LAN once, instead of nearly a dozen times.
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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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May 30, 2010
I have been using Ubuntu 10.04 (32 bit) as a headless workstation, running a VNC screen. Worked perfectly for about 3 weeks, then suddenly, I lost the Drag and Drop capability, for all applications.
For example:
Dragging and dropping to move items on the desktop does not work. The item simply pops back to the original location. Dragging and dropping to move items from one folder to another does not work. Same behavior -- the item just pops back to the original location. Dragging and dropping Bookmarks in Firefox does not work. The attempted Drag and Drop is ignored. Copy and paste still works fine. The problem does NOT occur when using an attached monitor (primary display screen :0).
I suspected that the changed behavior was caused by an update (from Ubuntu Update Manager). I confirmed this with the following:
Reinstalled Ubuntu 10.04 fresh from the live cd.
Configured minimal networking and installed VNC server.
Tested Drag and drop -- works okay
Applied pending updates (116) from Ubuntu Update Manager
Tested Drag and drop -- not working
I am using vnc4server and openssh-server installed from the repositories using Synaptic.
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Jan 15, 2010
I've been using Ubuntu 8.04 for about a year and the wireless has been fine but now it's gone screwy and I can't figure out why. This has happened on my laptop and wife's who uses Ubuntu Hardy also. The speed drops to almost 0 mb/s whenever the signal strength is less than 95%.
It isn't the internet connection as vista (I dual boot) works fine below 95% signal strength. To get the internet speed to be at a level that can load an internet page, I have to within 3 feet of the router!! Both of the laptops don't use ndiswrapper, the internet connected straight away from a fresh install.
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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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May 15, 2011
Folks, I am running 10.10 with the Macbuntu addon (theming, if that makes a difference).I've noticed for a long time, when I play some videos, my network connection (on this computer only) drops. For instance, while posting this, I began to watch this video:
HTML Code:
<iframe id="tsFrame55086" src="http://cdn.topspin.net/api/v2/widget/player/55086" style="width:400px;height:300px;border:none;" frameborder="0"/>
[code]....
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May 31, 2011
I bought a Cisco 1841 to study for a cisco certs. In iptables terms filtered packets are -j REJECT instead of -j DROP. To make things worse telnet and ping replies are on by default.
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Feb 21, 2011
I need to set OUTPUT to DROP, and add the outgoing traffic one by one, but I couldn't do it. My current config is as follows:
Code:
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
:RH-Firewall-1-OUTPUT - [0:0]
-A INPUT -j RH-Firewall-1-OUTPUT
#previously ESTABLISHED,RELATED comm is ok
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
#80 is ok from all
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
If I change OUTPUT to DROP in :OUTPUT ACCEPT [0:0], I don't get any response from a server running in that box. I am using RHEL 5.5. Now, asking Red Hat is not an option: I have the license but I don't have support license.
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Sep 20, 2009
I keep on downloading tar.gz files into my downloads folder and i cant do anything with them. what i need to do to install the file so i can use it? An example, i am trying to install Frets on Fire, and am failing bad.
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Nov 12, 2009
I was trying to install a program and then I tried to mv comman (which I probably did wrong) but to make it short I am pretty sure I deleted the directory. I made another Downloads directory using mkdir but whenever I download anything now I have no idea where it goes.
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Mar 19, 2011
I just did a fresh install of 10.04 on my system and everything runs perfect and exremely smooth, however the update manager and firefox are taking forever to load (the progress meter reads something like 2d 17hr 23m), however the internet connection is very fast.the logs are all insanely clean with the fewest errors I've ever seen, so this shouldn't be too terribly difficult to solve. Also I seem to be having a problem with the font on Firefox, every fourth letter or so has a bright streak in it. Anyway, that might be related or not but my main concern right now is getting my download speed up to par?
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Aug 23, 2010
I have a sh-tty B/G wireless card that does 500mw according to iwconfig. I also have a nice little panel antenna on this card that does 7dBi. This rig picks up a lot of signals and that is really great. However I am experiencing a problem. I am able to Internet browse on non-encrypted networks as long as the wireless manager shows a full four bars. However, if I try to connect to a three bar network, I will not be able to browse the Internet. I have a solid lower level 3 bars, I'm assigned an IP addy, but I get absolutely no throughput.
So, I think this has something to do with receiver sensitivity. In G mode, this card does a lousy -65ish or so at 54 meg. So what I'd like to do is drop to 5.5 or 11 meg B because at 5.5 meg or 11 meg B, the card does a much more acceptable 90+ sensitivity.Does anyone have the command string/app for this? I would like to force a card to operate in no better than 802.11B@5.5meg rather than having it auto select 802.11G@54meg.
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Mar 8, 2011
I have (had?) ndiswrapper-dkms installed, and used it to get a wireless card working. After a kernel update, the card stopped working, and I tried to re-install it. Part of the directions included doing -r to about everything connected to the original install. Now I still show "Windows Wireless Drivers" in the drop-down menu, but when I click on it, it "flashes" for a split-second, and then disappears.'ve tried re-installing it from Synaptic, and doing "sudo apt-get install ndiswrapper-dkms" but it just returns saying that I already have the latest version.
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May 20, 2010
I am running a test to determine when packet drops occur. I'm using a Spirent TestCenter through a switch (necessary to aggregate Ethernet traffic from 5 ports to one optical link) to a server using a Myricom card.While running my test, if the input rate is below a certain value, ethtool does not report any drop (except dropped_multicast_filtered which is incrementing at a very slow rate). However, tcpdump reports X number of packets "dropped by kernel". Then if I increase the input rate, ethtool reports drops but "ifconfig eth2" does not. In fact, ifconfig doesn't seem to report any packet drops at all. Do they all measure packet drops at different "levels", i.e. ethtool at the NIC level, tcpdump at the kernel level etc?nd am I right to say that in the journey of an incoming packet, the NIC level is the "so-called" first level, then the kernel, then the user application? So any packet drop is likely to happen first at the NIC, then the kernel, then the user application? So if there is no packet drop at the NIC, but packet drop at the kernel, then the bottleneck is not at the NIC?
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Jul 19, 2010
I need to transfer 330G of data from a hard drive in my workstation to my NAS device. The entire network is gigabit and being run with new HP procurve switches. All machines have static IP addresses. The NAS is a Buffalo Terastation PRO which has the latest firmware, is set to jumbo frames, and has just been upgraded with 4 brand new 500G drives giving us a 1.4TB raid 5 setup. My workstation is a dual Quad core xeon box running on an Intel S5000XVN board with 8G of ram. My OS is Ubuntu 10.04 x64 running on a pair of Intel X25 SSDs in a raid mirror. The data drive is a 500G SATA drive connected to my onboard controller. The file system on the SATA drive is XFS. This problem was ongoing before I got my new workstation, before we had the GB switches, and before the NAS got new drives. When I transfer a small file or folder (less than 500M) it reaches speeds of 10-11 MB/sec. When I transfer a file or folder larger than that the speed slows to a crawl (less than 2MB/sec). It has always been this way with this NAS. Changing to jumbo frames speeds up the small transfers but makes little difference in the big ones. I verified with HP that the switches are jumbo frame capable.
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May 19, 2010
I have a question regarding packet drops. I am running a test to determine when packet drops occur. I'm using a Spirent TestCenter through a switch (necessary to aggregate Ethernet traffic from 5 ports to one optical link) to a server using a Myricom card. While running my test, if the input rate is below a certain value, ethtool does not report any drop (except dropped_multicast_filtered which is incrementing at a very slow rate). However, tcpdump reports X number of packets "dropped by kernel". Then if I increase the input rate, ethtool reports drops but "ifconfig eth2" does not.
In fact, ifconfig doesn't seem to report any packet drops at all. Do they all measure packet drops at different "levels", i.e. ethtool at the NIC level, tcpdump at the kernel level etc? And am I right to say that in the journey of an incoming packet, the NIC level is the "so-called" first level, then the kernel, then the user application? So any packet drop is likely to happen first at the NIC, then the kernel, then the user application? So if there is no packet drop at the NIC, but packet drop at the kernel, then the bottleneck is not at the NIC?
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Feb 19, 2010
I have set the iptables INPUT policy to DROP. As I have expected tcpdump wasn't showing any packages... for a while. Suddenly it begun to show UDP syslog packages being sent by a remote host. It is conform with the configuration of syslog, but since the INPUT policy was set to DROP, with no exceptions, it is not conform with configuration of iptables. Why after setting INPUT policy to DROP, with no exceptions most of the packets recieved before are being dropped and some not, as tcpdump shows?
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Jul 20, 2009
Almost every other time I run yum update, I'm getting mirror problems - this is losing all my confidence in Fedora for several reasons: a) it's wasting time - what should be 1-2 minute updates are taking 5-10 minutes and often (like tonight) not even completing b) since it keeps hanging and switiching mirrors during downloads I wonder if the updates are coming thru okay c) the fact this is not being seriously addressed makes me wonder re Fedora quality. Add to that the constant and real annoying kernel errors popping up re network manager and sierra wireless (even when my sprint card is not plugged in).
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