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SB8200 less than 1 Mbps.

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I have no idea what is causing this. My download speed crawls to a halt, less than 1 Mbps, but when doing a speed test, I get 670 Mbps down. My plan is 500 Mbps, but I can NEVER reach above 250 Mbps normally. This is very frustrating. And I have no idea what's wrong. Firmware is: SB8200.0200.174F.311915.NSH.RT.NA Bonded Channel Data: 15 Locked QAM256 207000000 Hz 6.3 dBmV 42.2 dB 0 0 1 Locked QAM256 111000000 Hz 9.0 dBmV 42.8 dB 0 0 2 Locked QAM256 117000000 Hz 9.1 dBmV 43.0 dB 0 0 3 Locked QAM256 123000000 Hz 8.8 dBmV 42.9 dB 0 0 4 Locked QAM256 129000000 Hz 8.7 dBmV 43.0 dB 0 0 5 Locked QAM256 147000000 Hz 7.0 dBmV 42.9 dB 0 0 6 Locked QAM256 153000000 Hz 6.6 dBmV 42.5 dB 0 0 7 Locked QAM256 159000000 Hz 6.5 dBmV 42.8 dB 0 0 8 Locked QAM256 165000000 Hz 6.4 dBmV 42.4 dB 0 0 9 Locked QAM256 171000000 Hz 6.5 dBmV 42.6 dB 0 0 10 Locked QAM256 177000000 Hz 6.4 dBmV 42.8 dB 0 0 11 Locked QAM256 183000000 Hz 6.3 dBmV 42.7 dB 0 0 12 Locked QAM256 189000000 Hz 6.7 dBmV 42.6 dB 0 0 13 Locked QAM256 195000000 Hz 6.4 dBmV 42.5 dB 0 0 14 Locked QAM256 201000000 Hz 6.3 dBmV 42.1 dB 0 0 16 Locked QAM256 213000000 Hz 6.4 dBmV 42.3 dB 0 0 159 Locked Other 279000000 Hz 5.2 dBmV 40.8 dB 87241714 0 Channel Channel ID Lock Status US Channel Type Frequency Width Power 1 3 Locked SC-QAM Upstream 23000000 Hz 6400000 Hz 36.0 dBmV 2 1 Locked SC-QAM Upstream 37000000 Hz 6400000 Hz 38.0 dBmV 3 2 Locked SC-QAM Upstream 30500000 Hz 6400000 Hz 37.0 dBmV I really wish I knew what was causing this. Every single day now, it requires a reboot, which doesn't always help it. I have CAT8 cables, and have even tried connecting to the modem directly, still the same issue.

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