Download speed suddenly dropped from approx. 80 MBPS to 30 MBPS on March 15, 2020. Had Comcast tech on phone 3/22/2020 and he had me connect directly to my Netgear CM1000 cable modem. I rebooted the modem (power down/power back up) and ran a speed test. Download speed was back up to 80....but about five minutes later it was back down to 30. I don't know if the tech did anything on his end that helped in the short term but then was automatically reset.
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