this post was submitted on 24 Nov 2023
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Home Networking

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Hi,
I have optic fibre internet with up to 1GBps capability. However, it is sometimes capped to 90Mbps upload/download which I find weird. For example, yesterday, it was fine doing 900Mbps, however now, whatever I do, it's 90Mbps and nothing is eating up my bandwidth.
I have a CAT 5e ethernet cable so that shouldn't be the issue, I was getting almost the 1Gbps download/upload capability yesterday.
Does anyone know what I can do? Thanks!

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[–] [email protected] 2 points 10 months ago

Bad cable somewhere.

[–] [email protected] 1 points 10 months ago

Sounds like you have a bad cable somewhere!

[–] [email protected] 1 points 10 months ago

See if a 10/100 switch in mix

May need to turn off auto negotiation and set both ends to 100/1000

[–] [email protected] 1 points 10 months ago

🤔 check if it's auto negotiate problem on driver side

[–] [email protected] 1 points 10 months ago

If the link speed is at 100mbps then it's most likely a faulty cable

[–] [email protected] 1 points 10 months ago

As you were hitting nearly 900Mbps it maybe a glich on your end or the ISP, how is the speed also always run the speed on multiple devices.

[–] [email protected] 1 points 10 months ago

Had this happen to me 3 weeks ago. I examined the cable and found a very small kink in it. Changed to a different cable and it was back to 700 Mbps. Could only get 97 Mbps with the damaged cable.