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Thread: Slow internet problem seems to be related to dns Suse 11.4 i586 KDE

  1. #1

    Angry Slow internet problem seems to be related to dns Suse 11.4 i586 KDE

    I have just installed 11.4 from scratch. All seems ok but the internet service is really slow. Firefox often shows --- looking up ...... for a very long time. As this looked much like an ipv6 problem I have used yast's /etc/sysconfig editor to add ipv6.disable=1 to the end of the 3 bootloader _APPENDS. I have also disabled it's use in KDE after finding the appropriate place with the editors search facility. I restarted the system but have found that this hasn't helped at all. Things are much the same.

    I use an asdl2/2+ router over ethernet. This looks after log in to my isp and obtains the dns server address etc.

    One curious aspect is that once a page has displayed, this forum for instance, further pages load fairly quickly for a while. Others with adds etc all over the place display the same symptom. The data itself seems to download fairly quickly. Graphics performance seems fine too.

    My wife's windoze works as expected by the way so the router set up looks to be ok

    I'm more or less a complete kernal novice by the way and much prefer to stay away from it.

    Help

    John

  2. #2
    Join Date
    Jun 2008
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    Earth - Denmark
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    10,730

    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586KDE

    there is also an anti-IPv6 switch in Firefox....try any or all of these
    which should speed it up (btw, i copied the following from another post
    and take neither credit nor responsibility for any--and see my sig caveat)

    place about:config in the address bar and hit enter

    You should get a really long list of things

    In the search bar put
    network.dns.disableIPv6

    My default value was set to false, go ahead and set it to true. Right
    click and Toggle.

    Clear out the search bar where network.dns.disableIPv6 was, and put
    in network.http.pipelining

    You should have three listings

    Right click on network.http.pipelining and Toggle so "true" shows for
    the value.

    Next, right click on network.http.pipelining.maxrequests and Modify,
    a box will pop up, replace the default 4 with 8.

    Close the about:config
    also, maybe it is a DNS problem, did you put the right name server in
    your setup? Check your DNS servers in your /etc/resolv.conf file

    --
    CAVEAT: http://is.gd/bpoMD [NNTP via openSUSE 11.3 + KDE4.5.5 +
    Thunderbird3.1.8] Can you believe it? This guy Ralph wins $181 million
    in the lottery last Wednesday, and then finds the love of his life just
    2 days later. Talk about LUCK!

  3. #3

    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586KDE

    Thanks. That fixed it completely. On the dns server my router gets these from the isp so I wouldn't have a clue what to enter. They change from time to time as well.

    Having this problem is a little disgusting really. Way back when suse was still a .de company an update installed and activated ipv6. I was lucky my internet still worked after a fashion - not so for many people. I notice that if I happened to be using a straight modem there seems to be an option for disabling ipv6 but no long term user will be using one. Does anybody these days?

    Despite de activating ipv6 in KDE Konq still has the problem. I thought that the route to disabling it looked very much like kde 3.??? so I suppose it's just garbage that suse has left lying around. Does anyone know of a fix for konq? Also it seems to have a fixation as installed about working through a proxy. I've changed that to use the net directly as only one of the proxy settings actually works. The install left that one set.

    John

  4. #4

    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586KDE

    Gets worse Yast2 seems to be having the same problem and is refusing to download the repositories - can't connect to server. Anybody and clues.

    I have found another kde ipv6 over ride but it's correctly set.

    John

  5. #5

    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586KDE

    I've found another ipv6 over ride which seemed to have fixed yast2 for some. Network card config has 2 settings. IPV6 and IPV4 or IPV4 only. I got really excited as yast seemed to update. It loaded the repository update. Then started to hang on connection time outs also stating that some rpm's are unavailable.

    Konqueror is still the same.

    Help. I've searched this forum and info seems to be scattered in many threads which doesn't help at all.

    John

  6. #6
    Join Date
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    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586KDE

    Since its been some time without a reply and you seem to have ruled out all the usual suspects, I'll venture a (wild) guess.

    I had the same problem - first few connections ok, subsequent site accesses timing out. It turned out that I had a VM set to the same IP address as the host, in bridged mode. When both would access the network one timed out.

    So, perhaps you have another machine (real or virtual) trying to use the same IP in your network?

    Also keep in mind the words of our wireless networking guru, lwfinger: If it's not working, there's at least two things going wrong at the same time. (any quote error is solely mine, thanks lwfinger ).

  7. #7

    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586 KDE

    I've posted it as bug basically because everything else is working when switched to ipv4 but yast just wont have it so as it's purely dns I'm certain it's ipv6.

    I use ethernet cable to an adsl2/2+ router. Been there for some time and wireless doesn't appeal.

    John

  8. #8
    Join Date
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    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586 KDE

    Try setting your DNS addresses directly in Yast>Network Device, instead of pointing to the router, if it isn't already so.

  9. #9

    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586 KDE

    This is an area that confuses me brunomcl. My isp provides the dns addresses when I connect. As I'm connected all/most of the time this has very occasionally caused problems that rebooting the router fixed. A complaint to the isp fixed that aspect as well.

    Firefox,Opera,Konqueror are all ok now and I assume correctly using the dns via the adsl router. YAST just gets through occasionally when it does the rpm's etc come very quickly. YAST spends so much time trying to connect to the servers I haven't managed a complete update yet. I can view and download the files with any of the browsers. To many files though to use as a fix.

    One aspect of this is that I have been here before. Some time ago 9.x suse or very early opensuse 10.x was updated to ipv6 and it was also activated. My system just about worked providing that I didn't mind pages taking very long times to load. Could be up to a min or more. Some peoples web just wouldn't work at all. I just can't understand why it has installed like this.

    John

  10. #10
    Join Date
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    Kansas City Area, Missouri, USA
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    Default Re: Slow internet problem seems to be related to dns Suse 11.4 i586KDE

    On 04/11/2011 11:36 AM, ajohnw wrote:
    >
    > This is an area that confuses me brunomcl. My isp provides the dns
    > addresses when I connect. As I'm connected all/most of the time this has
    > very occasionally caused problems that rebooting the router fixed. A
    > complaint to the isp fixed that aspect as well.
    >
    > Firefox,Opera,Konqueror are all ok now and I assume correctly using the
    > dns via the adsl router. YAST just gets through occasionally when it
    > does the rpm's etc come very quickly. YAST spends so much time trying to
    > connect to the servers I haven't managed a complete update yet. I can
    > view and download the files with any of the browsers. To many files
    > though to use as a fix.
    >
    > One aspect of this is that I have been here before. Some time ago 9.x
    > suse or very early opensuse 10.x was updated to ipv6 and it was also
    > activated. My system just about worked providing that I didn't mind
    > pages taking very long times to load. Could be up to a min or more. Some
    > peoples web just wouldn't work at all. I just can't understand why it
    > has installed like this.


    If you hane an IPv6 problem, then the fault is with something upstream in your
    setup. With Linux in general, and openSUSE in particular, IPv6 works. There are
    no holdups and no extra delays. When a DNS server is misconfigured, says it
    handles IPv6, but does not, then the name lookup will time out every time. That
    leads to very slow browsing.

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