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I have a relatively new R7800 X4S router. At random times, typically every 1-3 days, my wife tells me "The internet seems slow and YouTube and Amazon keep buffering." I know that's a pretty generic complaint, but here's the deal:
We have two cell phones, two laptops, and a television that connect to the Wifi via 5Ghz. When the speed of the internet seems "slow" I test the latency of the laptops by pinging 192.168.1.1. If ANY devices are actively using Wifi the local ping to the router on laptops goes anywhere from 100-800ms. The ping times don't change no matter how close the laptops are to router.
When I check for throughput by transferring a large file to or from my PC that's connected via ethernet, the througput maxes out at about 8-12 MB/s.
If I reboot the router, it doesn't matter who's doing what on the Wifi. The local ping times from the laptops goes from 100-800ms to about 1-3ms and the throughput on the laptops goes from 8-12 MB/s to almost to almost 70 MB/s.
Here's some details:
- Symptoms are the same on 2.4Ghz.
- Using latest firmware.
- Router is in a cool, dry, and centralized location in the house.
- QoS was never enabled to begin with.
- Disabled logging.
- If I connect laptops to router via ethernet, I get full gigabit speed (problem is limited to Wifi).
- I tried factory reset.
Rebooting router fixes the issue for 1-3 days but that's kind of annoying. Does anyone know why the Wifi would crap out every 1-3 days and resolve itself with a reboot? What else would anyone here recommend I try doing?
