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Network and Classroom Management Thread, can i test the speed of a network connection?? in Technical; hello we have some pc's around the school that are painfully slow even though the same spec as others around ...
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    can i test the speed of a network connection??

    hello we have some pc's around the school that are painfully slow even though the same spec as others around that are lots quicker. ive done all various upkeeping like defrag, clean up, deleted local user profiles, turned off updates as this has lagged pc's before but still dead slow. im wondering if can test the network point and cable to see if these are running how they should. any other ideas would be great plz??

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    SYNACK's Avatar
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    This little app from MS (originally from Berkley) should give you some information:

    http://www.microsoft.com/whdc/device.../TCP_tool.mspx

    Instructions are included in the install file TCP_Tool.docx in the "%programfiles%\Microsoft Corporation\NT Testing TCP Tool" folder and here's a tutorial:

    ArcaneTek from LowTek: Test your Network Performance with ntttcp

    Edit: added to Wiki
    Last edited by SYNACK; 19th June 2008 at 01:05 PM.

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    ahuxham (19th June 2008), Fivetwelve (18th May 2009), greenfieldsupport (23rd June 2008), john (24th June 2008)

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    Quote Originally Posted by SYNACK View Post
    This little app from MS (originally from Berkley) should give you some information:

    How to Use NTttcp to Test Network Performance
    thnx but do i need to run this on pc's that are slow or anywhere??

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    SYNACK's Avatar
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    Quote Originally Posted by mikeymike View Post
    thnx but do i need to run this on pc's that are slow or anywhere??
    You would want to run it on your server and on your slow client, I have edited my above post with a tutorial that should explain it better. You may also want to run it on your server and one of the identical machines to get a base line of what it should be capable of.

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    Andie's Avatar
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    Are there any other problems, like not picking up group policy? Just in case, I am including a link to a problem I had a while back, where machines had been given fixed IP addresses and there were missing DNS A and PTR records.

    http://www.edugeek.net/forums/networ...-profiles.html
    Last edited by Andie; 19th June 2008 at 04:13 PM. Reason: Bad link!

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    I maybe wrong but the first thing I do is ping the server from the machine, setting the buffer size to 65500 and count to 25. Compare that with a known good machine.

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    SimpleSi (24th June 2008)

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    Is the machine slow even when run locally with a local username? or just when logged onto the domain?

    Could always try removing it from the domain totally, and put it through its paces.

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    @lazerblazer
    Could you post a bit more info -e.g cmd line params etc please

    regards

    Simon

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    Quote Originally Posted by sven View Post
    Is the machine slow even when run locally with a local username? or just when logged onto the domain?

    Could always try removing it from the domain totally, and put it through its paces.
    not tried on local admin but on network admin yes it is slow. they seem to run better after about 15 mins of doing nowt.

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    RabbieBurns's Avatar
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    Quote Originally Posted by SimpleSi View Post
    @lazerblazer
    Could you post a bit more info -e.g cmd line params etc please

    regards

    Simon
    Code:
    ping -t -l 65000 x.x.x.x
    that will keep going till you stop it. to set it to 25 its
    Code:
    ping -n 25 -l 65000 x.x.x.x

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