Internet only slow on Fedora
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  1. #1
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    Internet only slow on Fedora

    Hi! I just got high speed (10 Megabit) Cable internet in my apartment; and at first all was quite well, and the internet was Coming into my home nice and fast; loading LQ and FedoraForum VERY quickly. But now, my Two Fedora computers (one desktop wired, and one laptop wireless) load pages VERY slowly; sometimes even slower than the DSL (1.5 Megabit) I'm coming off of... The odd thing is, that my Fiancée's Vista Desktop is loading pages just fine... and super fast. I HAVE made a few minor changes, since they set me up, but I don't know why they would only be affecting my Fed
    Thanks to everyone in the Fedora Forum Community! It's because of your willingness to assist even the newest users and treat them with respect and patience that keeps me coming back to Fedora Every time!

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    Slow connectivity

    I had a slightly similar problem recently of limited connectivity.


    Long story but it turned out that my DNS numbers had changed
    and that DHCPv6 had assigned an incorrect primary DNS.

    As a work-around I setup my my internet connection manually

    First right click on your network icon and look at
    connection information and write down all settings

    Now...you can go to your network icon and opt to "edit connections"

    then under IPv4 change the connection from DHCP to manual

    and enter the settings from the Vista machine

    all settings should be the same except for address
    where you will have to enter your specific router
    address...and that would be the same as it presently is


    Note: before you do anything, you may want to wait for other
    replies...as though this did work for me...there may very well
    be someone who has a superior solution

  3. #3
    Demz Guest
    did you try turning off ipv6 ?

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    Quote Originally Posted by Demz
    did you try turning off ipv6 ?
    How would I go about disabling IPv6? So far, in my experience, all I've seen is IPv4
    Last edited by Cassanova; 14th April 2009 at 04:41 AM.
    Thanks to everyone in the Fedora Forum Community! It's because of your willingness to assist even the newest users and treat them with respect and patience that keeps me coming back to Fedora Every time!

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    I found instructions to turn off IPv6, but I seem to lack the correct file in the correct location.

    Also, I followed some advice I got on an LQ post:

    Quote Originally Posted by anomie
    For the sake of testing possible causes, back up your /etc/resolv.conf and then replace its contents with only this:
    Code:
    nameserver 208.67.222.222
    nameserver 208.67.220.220
    Do you see an improvement with your problem? (Those are OpenDNS's nameservers, BTW.)
    and I found that my speed was back to where it was supposed to be, however, I have not yet \learned what this indicates, or what to do now. so if anyone has an idea where this is going, or what changing my resolv.conf says about my problem, please feel free to chime in.
    Thanks to everyone in the Fedora Forum Community! It's because of your willingness to assist even the newest users and treat them with respect and patience that keeps me coming back to Fedora Every time!

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    Quote Originally Posted by Cassanova
    I found instructions to turn off IPv6, but I seem to lack the correct file in the correct location.
    There's no need to need to find any files, just run system-config-network
    and uncheck the ipv6 checkbox to turn it off

    http://fedorasolved.org/Members/MrHa...config-network

    the checkbox is visible there in picture 2

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    Updade:
    Thanks to marko, I've discovered that my IPv6 is already off. so now I get to figure out the next possible cause of my slow connection. The other lead that I've got, is that editing my /etc/resolv.conf file, and replacing the IPs in it (with IPs from OpenDNS), fixes it... but IDK why, and re-editing the file every time I boot, is annoying, and I'm not entirely comfortable with the whole idea of borrowing someone else's IPs anyway
    Last edited by Cassanova; 17th April 2009 at 06:23 PM.
    Thanks to everyone in the Fedora Forum Community! It's because of your willingness to assist even the newest users and treat them with respect and patience that keeps me coming back to Fedora Every time!

  8. #8
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    Quote Originally Posted by Cassanova
    Updade:
    Thanks to marko, I've discovered that my IPv6 is already off. so now I get to figure out the next possible cause of my slow connection. The other lead that I've got, is that editing my /etc/resolv.conf file, and replacing the IPs in it (with IPs from OpenDNS), fixes it... but IDK why, and re-editing the file every time I boot, is annoying, and I'm not entirely comfortable with the whole idea of borrowing someone else's IPs anyway
    Well, you're trusting your ISP's DNS to be correct, why are they more trustworthy than opendns?
    I will say, the main reason I won't use opendns is they manipulate certain things related to web searches.
    Basically when you do a search to google, they proxy the search through one of their own hosts,
    namely google.navigation.opendns.com

    I guess with the intent of web ad targeting or data mining:

    REF:
    http://forums.opendns.com/comments.p...nID=226&page=2



    Another thing that might really help is make sure your "dnsmasq" is on:

    run this and make sure it says dnsmasq is running:
    service dnsmasq status
    What dnsmasq will do is cache IP addresses as you get them, then the 2nd, 3rd, etc times you
    go back you can avoid that possibly slow ISP dns and get the address from your own cache.

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