Have been experierncing 10 minute periods of packet loss and high ping for the past few weeks on ethernet connection (as well as wifi). Had a technician come out and then they replaced some wiring out front but the problem has persisted. Here is the modem (netgear cmd31t) data:
Connection
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Startup Procedure | Procedure | Status | Comment | Acquire Downstream Channel | 447000000 Hz | Locked | Connectivity State | OK | Operational | Boot State | OK | Operational | Configuration File | Complete | | Security | Enabled | BPI+ |
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Downstream Channel 0 | Lock Status | Locked | Modulation | 256 QAM | Channel ID | 1 | Symbol rate | 5360537 | Downstream Frequency | 447000000 Hz | Downstream Power | 3.8129 dBmV | SNR | 36.8445 dBmV | Correctables | 329 | Uncorrectables | 6178 | | |
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Downstream Channel 1 | Lock Status | Locked | Modulation | 256 QAM | Channel ID | 2 | Symbol rate | 5360537 | Downstream Frequency | 453000000 Hz | Downstream Power | 3.9934 dBmV | SNR | 36.8445 dBmV | Correctables | 11 | Uncorrectables | 627 | | |
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Downstream Channel 2 | Lock Status | Locked | Modulation | 256 QAM | Channel ID | 3 | Symbol rate | 5360537 | Downstream Frequency | 459000000 Hz | Downstream Power | 3.5075 dBmV | SNR | 37.0927 dBmV | Correctables | 0 | Uncorrectables | 501 | | |
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Downstream Channel 3 | Lock Status | Locked | Modulation | 256 QAM | Channel ID | 4 | Symbol rate | 5360537 | Downstream Frequency | 465000000 Hz | Downstream Power | 3.2649 dBmV | SNR | 37.6363 dBmV | Correctables | 1 | Uncorrectables | 588 | | |
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Upstream Channel 0 | Lock Status | Locked | Modulation | 64QAM | Channel ID | 4 | Symbol rate | 5120 Ksym/sec | Upstream Frequency | 38700000 Hz | Upstream Power | 43.7500 dBmV |
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Upstream Channel 1 | Lock Status | Locked | Modulation | 64QAM | Channel ID | 1 | Symbol rate | 5120 Ksym/sec | Upstream Frequency | 19300000 Hz | Upstream Power | 42.7500 dBmV |
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Upstream Channel 2 | Lock Status | Locked | Modulation | 64QAM | Channel ID | 2 | Symbol rate | 5120 Ksym/sec | Upstream Frequency | 25700000 Hz | Upstream Power | 42.7500 dBmV |
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Upstream Channel 3 | Lock Status | Locked | Modulation | 64QAM | Channel ID | 3 | Symbol rate | 5120 Ksym/sec | Upstream Frequency | 32300000 Hz | Upstream Power | 42.7500 dBmV |
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Had some issues accessing the modem, can only briefly access after factory reset, after several seconds no longer able to access (tried switching router lan, static IP, connecting directly to modem without avail). I've also attached some pingplotter images, perhaps they can help pinpoint if the issue is on my end or at nodes?
https://i.imgur.com/L55VVyf.png
https://i.imgur.com/C6jdle6.png
Thanks
EG
Expert
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111.4K Messages
5 years ago
That's an older modem that offers only 4 downstream channels. The odds are high that those channels are congested. That can cause packet loss. You may have better luck with a modem that offers more downstream channels. Like 16, 24, or even 32 channels.
Try power-cycling it and see if it will lock on to a different set of perhaps cleaner / less congested channels.
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km321
Regular Visitor
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2 Messages
5 years ago
Replaced modem with a newer model (Arris 6183):
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