For those seeing performance on ethernet equivalent or better than wifi as you would expect what firmware are you on? Per https://s.tmocache.com/support/devices/firmware-updates--t-mobile-home-internet there is currently 1.00.14 and 1.00.16.
I have the same issue. All was fine before I went away for the weekend. Came back to find my local router had lost WAN connection to the gateway. Upon restarting the Arcadyan gateway, wired LAN connects at gigabit rate, but actual transfer speeds are very bursty and hence significantly slower. Doesn’t matter whether connected via LAN through my external router or with a directly connected PC. When directly using the Arcadyan built in WiFi AP it is fine. Tried a factory reset, no improvement. My guess is that a firmware update was pushed over the weekend. Contacted customer support and they are doing an exchange. However overnight the Gateway performed a 2nd factory reset (perhaps the one issued OTA by support) and the LAN speed returned to normal. I’m unsure how and OTA reset would differ from using the hard reset button. What firmware version does yours show to be at now? Im having the same issues and seeing im on 1.00.16
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