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Thread: Help with hardwire dropping almost 400m!!

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    stormrazer razer121's Avatar
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    Help with hardwire dropping almost 400m!!

    Hey guys,
    Hopefully someone can help with this rather complicated issue I am having! It would seem that only my hardwired connection my internet is dropping from 500m down to below 100m.. (between 85-90) For context I'm using an Asus Router which replaced my Plusnet one, the network cable is a cat 7 and runs into a Gigabit network switch that is split between two pcs - to fix it I unplug the input cable (a 15-meter cable) then plug it back in and the problem is fixed. However, this is a daily occurrence and getting frustrating now...

    I have so far done the following to try and fix it,
    Replaced network cables with brand-new ones,
    Replaced the actual Netgear Gigabit switch itself,

    I am at a loss now as I cannot figure out what to do next? is this a router problem? or something else? any advice is appreciated!
    Quote Originally Posted by TAKTAK View Post
    It was so small that mine wouldn't fit into it

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    Re: Help with hardwire dropping almost 400m!!

    Cat7?!

    Why

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    stormrazer razer121's Avatar
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    Re: Help with hardwire dropping almost 400m!!

    Quote Originally Posted by [GSV]Trig View Post
    Cat7?!

    Why
    Because it was cheap i don't need anything more ha
    Quote Originally Posted by TAKTAK View Post
    It was so small that mine wouldn't fit into it

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    root Member DanceswithUnix's Avatar
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    Re: Help with hardwire dropping almost 400m!!

    I would plug the end on that 15m cable directly into a PC and see what it says and what speed you get.

    The obvious answer is that the link is negotiating 100mbit ethernet, not gigabit.

    Could try plugging the cable into a different interface on the router's switch as well in case it is a hardware fault on that socket.
    Last edited by DanceswithUnix; 24-01-2024 at 11:55 AM.

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    RIP Peterb ik9000's Avatar
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    Re: Help with hardwire dropping almost 400m!!

    Quote Originally Posted by DanceswithUnix View Post
    I would plug the end on that 15m cable directly into a PC and see what it says and what speed you get.

    The obvious answer is that the link is negotiating 100mbit ethernet, not gigabit.

    Could try plugging the cable into a different interface on the router's switch as well in case it is a hardware fault on that socket.
    Which router out of interest? when i looked at a few a year or so ago reviews were quite damning of the QoS functionality in premium Asus routers saying it actually impaired performance - to alarming levels. You could try turning it off and see whether it makes a difference.

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    Almost Ex-HEXUS Staff Jonatron's Avatar
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    Re: Help with hardwire dropping almost 400m!!

    Cat 7 rings alarm bells. Have you got Cat 6 / Cat 5e cables from a reputable brand / source to try?

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    Re: Help with hardwire dropping almost 400m!!

    Quote Originally Posted by DanceswithUnix View Post
    I would plug the end on that 15m cable directly into a PC and see what it says and what speed you get.

    The obvious answer is that the link is negotiating 100mbit ethernet, not gigabit.

    Could try plugging the cable into a different interface on the router's switch as well in case it is a hardware fault on that socket.
    That would be the first thing to do, just to see if it's the router or the switch causing the problem.

    Quote Originally Posted by Jonatron View Post
    Cat 7 rings alarm bells. Have you got Cat 6 / Cat 5e cables from a reputable brand / source to try?
    That's also something to check, not all cables are created equally.

    Personally I'd go with the above options to see if it's the router / switch or cabling that's actually causing the problem. Even if you're running 10G networking at home, Cat 7 cables from a non-reputable source are probably a cause for concern...

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