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Thread: How diagnose DNS lag?

  1. #1

    Default How diagnose DNS lag?

    this issue occurs in both Opera 10 and firefox 3.5:

    When I go to a site for the first time (and sometimes even if I've been there before), there's a huge lag while it's looking up the address (about 7 seconds). Once it finds it, it runs normally/fast from then on, in clicking on diff. links in that site. The site doesn't matter: google, cnn, opensuse, etc.

    I originally was using openDNS as my DNS servers in my router but changed that yesterday to my ISP's DNS'. The issue still seems to be occurring. Any ideas?

  2. #2

    Default Re: How diagnose DNS lag?

    I presume you've tried disabling ipv6 in YaST network settings?

  3. #3

    Default Re: How diagnose DNS lag?

    Quote Originally Posted by Confuseling View Post
    I presume you've tried disabling ipv6 in YaST network settings?
    How do I do that?

  4. #4

    Default Re: How diagnose DNS lag?



    Did you try looking?

    I'm not booted into suse right now, so this is approximate...

    But go to YaST. Then go to Network Settings. Then go to 'disable ipv6'.

  5. #5

    Default Re: How diagnose DNS lag?

    Thanks. Are there any risks for disabling that? And why does it cause that issue?

  6. #6
    Join Date
    Jan 2009
    Location
    Toronto, Ontario
    Posts
    188

    Default Re: How diagnose DNS lag?

    6tr6tr wrote:

    >
    > Thanks. Are there any risks for disabling that? And why does it cause
    > that issue?
    >
    >

    I may be wrong about this but if anything there are less risks in that some
    firewalls aren't able (or aren't configured) to deal with IPv6 and it could
    end up passing the packets along unchecked.

    The setting is found in Yast-->Network Devices-->Network Settings-->Global
    Options-->IPv6 Protocol Settings


    --
    kev.

  7. #7
    Join Date
    Jul 2008
    Location
    in front of the keyboard
    Posts
    90

    Default Re: How diagnose DNS lag?

    Or you can simply disable ipv6 in firefox:

    1. Open firefox
    2. Type about:config in the address bar
    3. Hit the "I`ll be carefull, i promise" button
    4. A filter search bar will open
    5. Type ipv6 in the filter bar
    6. Double click the network.dns.disableIPv6 record
    7. It will appear bolded and the Value will change from false to true
    8. Restart firefox

    Rate my answer ... )

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