Home Networking

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Diagnosing latency issues (alien.top)

submitted 1 year ago by [email protected] to c/[email protected]

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I'm currently experiencing high latency and inconsistent speeds between devices on my LAN, which affects a couple of things including PS5 remote play.

My current set up is less than ideal due to the fact I can't wire up the house with ethernet.

https://preview.redd.it/09jl0n9gsw0c1.png?width=441&format=png&auto=webp&s=27616c75b6a0e4bb8ce6066c17b6d99fdbc40341

I get nearly 100mbps with powerline at my office and around 70mbps at the entertainment centre. All other devices connect via wifi.

Even though this set up is less than ideal it's the best I've been able to get without spending a ton of money wiring my home properly. To add insult to injury, the ethernet socket from the ISP sits inside of a cupboard with solid walls around it. This predates me living here, I don't know what they were thinking.

Two issues I'm trying to determine, which are possibly related. First, I have very high latency between wifi and wired (anywhere from 8 to 20ms). Second, PS remote play works like arse (ps5 connected to powerline and reporting 90mbps both ways and remote player on wifi). Speeds between devices that aren't on the same switch are all over the place - I expect this from powerline, but not so much from wifi.

Things I can't change: the router location and the wiring. Things I can change: everything else.

Any ideas?

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[–] [email protected] 1 points 1 year ago

Powerline IS TERRIBLE. It’s better to use WiFi than Powerline.

Is coaxial running at your place? You could use MoCA adapters in place of the Powerline ones, and its reliability is great, almost as fast as wired Ethernet.

[–] [email protected] 1 points 1 year ago

Since you have fibre Internet, do you know where the ONT is located? Is there any other wiring located near the ONT besides the Ethernet cable leading to the useless cupboard? If there's coax, then MoCA is a good alternative to Ethernet. You could put the router near the ONT and feed the MoCA network. Then install one or more Wi-Fi Access Points in the house to provide Wi-Fi. Dump the Powerline adapters.

Here is a prototypical MoCA setup (courtesy of gocoax.com for a fibre Internet setup). Popular MoCA brands in the US are Actiontec (Screenbeam), goCoax and Motorola.