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Thread: Virgin Media + Linux = Slow

  1. #1

    Default Virgin Media + Linux = Slow

    Hi,
    This is my third thread here and I'm trying to sort out an issue that's been annoying me. Basically we, as a family, are changing from windows to Linux and trying a bunch of Distros, OpenSUSE being the first. We're chronicling our "adventures" in our blog.

    Here's the problem:
    -The internet is amazingly slow! We're using OpenSUSE 10.3, Virgin media (formerly NTL) broadband with their supplied modem (not sure of the model) going through a Belkin router. The wireless seems fine as i have no probs connecting with my NokiaN95, Xbox 360 or my "fista" machine in my bedroom. The pc is wired into the router so its not a wireless issue, and Linux seems fine with the on board LAN etc.

    Any ideas as to why this is happening? (it's seriously like 56k)

    Cheers,
    Cyph (James)

  2. #2
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,236

    Default Re: Virgin Media + Linux = Slow

    cyphnar wrote:
    >
    > Any ideas as to why this is happening? (it's seriously like 56k)


    Is it slow when you download, or does it take a long time to connect to Web
    sites, etc. If the latter, try disabling IPV6 - assuming that you don't need it.

    Larry

  3. #3
    Join Date
    Jun 2008
    Location
    Sarasota
    Posts
    301

    Default Re: Virgin Media + Linux = Slow

    Let's establish first how you are measuring 'slow', as
    you didn't really define 'broadband'...i.e. cable vs adsl, etc.
    (I see you're in the UK somewhere.)

    Install another browser, such as Opera.

    Then, get some actual numbers, from here:
    Speakeasy - Speed Test
    using both your current browser and from Opera,
    and from your 'fista' box.

    Post the results (if that doesn't solve it).

  4. #4

    Default Re: Virgin Media + Linux = Slow

    By broadband I meant Cable (2meg). I am downloading Opera now, And I'll post back with results of the speed est asap. I'll even turn on my fista box for you (Vista actually makes me angry )

    Cheers
    -Cyph

  5. #5
    Join Date
    Jun 2008
    Location
    The Netherlands
    Posts
    1,273

    Default Re: Virgin Media + Linux = Slow

    Quote Originally Posted by lwfinger View Post
    cyphnar wrote:[color=blue]
    >
    try disabling IPV6 - assuming that you don't need it.

    Larry
    If you are using Firefox also disable ipv6 dns lookups.
    Enter about:config in the address bar of Firefox , accept any prompts and enter ipv6 in the filter bar.
    There should be an option 'network.dns.disableIPv6' - set it to true and test if surfing is better.

    Also, is downloading slow? or only the browsing? Maybe a DNS issue is causing slow resolving.

    Cheers,
    Wj
    Have a lot of fun!

  6. #6

    Default Re: Virgin Media + Linux = Slow

    Ok so here's the results:

    Firefox
    Download Speed: 1895 kbps (236.9 KB/sec transfer rate)
    Upload Speed: 189 kbps (23.6 KB/sec transfer rate)

    Opera
    Download Speed: 1939 kbps (242.4 KB/sec transfer rate)
    Upload Speed: 178 kbps (22.3 KB/sec transfer rate)

    Firefox 3 - Vista
    Download Speed: 1362 kbps (170.3 KB/sec transfer rate)
    Upload Speed: 191 kbps (23.9 KB/sec transfer rate)

    All tests were done on the seattle server.

    Cheers,
    -Cyph

  7. #7

    Default Re: Virgin Media + Linux = Slow

    Yeah it's predominantly just browsing the web, downlaods seem fine. I did the about:config thing and changed ipv6disable to true. I'll do some proper browsing and let you know what it's like

    Cheers for the help!
    -Cyph

  8. #8
    Join Date
    Jun 2008
    Location
    West Yorkshire, UK
    Posts
    3,611

    Default Re: Virgin Media + Linux = Slow

    Bear in mind that fibre optic is affected by number of users on the circuit; I get a huge improvement in speed in the early morning, evenings and weekends when the local industrial estate is not working.

  9. #9

    Default Re: Virgin Media + Linux = Slow

    It's not fibre, it's standard(ish) copper cable (kinda like coax). The browsing still seems slow, however the biggest issue is opening the browser, it takes forever to actually load google. It seems to take ages opening sites but browsing within them seems ok, if that makes sense? (it takes ages to open forums.opensuse.org but it's quick enough once I'm here).

    And it's the same with Opera.

    -Cyph

  10. #10
    Join Date
    Jun 2008
    Location
    The Netherlands
    Posts
    1,273

    Default Re: Virgin Media + Linux = Slow

    Using dig (or nslookup) check random sites to see if maybe resolving is not going as quick as it should.

    Enter random sites like;
    dig openSUSE.org
    dig HP United States - Computers, Laptops, Servers, Printers & more
    dig NeverBeenHere | MatteoSedile
    etc

    Resolving (query time) should be instant (< 400 ms) .. if not there might be your issue.

    -Wj
    Last edited by Magic31; 17-Jul-2008 at 11:50. Reason: links where getting rewritten
    Have a lot of fun!

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