I ran into this strange behaviour with Sonoma (all Betas and the official version) that is bugging me. I have a glass fiber connection with 500 Mbps up / 500 Mbps down speed, Zyxel AX7501-B0 router. When I cold boot up my Mac mini M2 Pro, the Ethernet speed (Internet speed) resets to about 100 Mbps. Also happens if I just restart the Mac. I have to disconnect the Ethernet cable from the Mac and reconnect the cable to the Mac, and voilà, the speed I get is 500 up / 500 down.
I have no idea why this happens, and how to test what could be the culprit. Maybe one of you cool cats have an idea. This did not happen with Ventura.
I have no idea why this happens, and how to test what could be the culprit. Maybe one of you cool cats have an idea. This did not happen with Ventura.
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