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Internet Related/Filtering/Firewall Thread, Experiencing slow internet speeds in Technical; Hello, We've been experiencing slow internet speeds as of late but think the cause could be somewhere inside our network. ...
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    Experiencing slow internet speeds

    Hello,

    We've been experiencing slow internet speeds as of late but think the cause could be somewhere inside our network. Any tips on identifying what could be the cause of the issue?

    Doing speedtests throughout the day we're getting varying results from 1mb/s to 90mb/s (we've got a 100mb leased line) and tracert's will take a long time to reach our default gateway. but when we plug a laptop directly into our router the problems seem to disappear.

    Any advice would be greatly appreciated.

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    Michael's Avatar
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    The problems disappear for that one device or your whole network? Who do you use as your external DNS provider? Your LA (if a school), OpenDNS, Google DNS or other? Do you have a proxy in place?

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    The problem disappears for the one laptop when plugged straight into the router. The rest of the networks internet connection is sporadically slow.

    External DNS is Google 8.8.8.8 + 8.8.4.4

    No proxy in place

    Client DNS is set to Domain Controller

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    Michael's Avatar
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    If it's OK when plugged into your router then I would investigate your connection between your router or gateway switch and your internal switches.



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