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What does "CCAP Commanded Power in Excess of 6 dB Below..." mean?
"RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW" means exactly what? Often seen with "Dynamic Range Window violation" and "Started Unicast Maint...
Finally, after a ton of tech visits, the ultimate problem causing this issue has been found: A bad cable from the top of the telephone pole (at the tap) running 15' to the base of the telephone pole (ground block). For full details (and more), visit: https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
Been monitoring power levels via a program every 60 seconds. Rock steady.
2021-10-16, 12:33:33 Warning (5) Dynamic Range Window violation
2021-10-16, 12:33:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 12:33:33 Warning (5) Dynamic Range Window violation
2021-10-16, 12:33:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 12:33:33 Warning (5) Dynamic Range Window violation
2021-10-16, 12:33:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 12:33:33 Warning (5) Dynamic Range Window violation
2021-10-16, 12:33:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 12:33:30 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 11:14:17 Warning (5) Dynamic Range Window violation
2021-10-16, 11:14:17 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 11:14:17 Warning (5) Dynamic Range Window violation
2021-10-16, 11:14:17 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-16, 11:14:17 Warning (5) Dynamic Range Window violation
2021-10-16, 11:14:17 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-14, 12:02:10 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-14, 11:52:11 Warning (5) Dynamic Range Window violation
2021-10-14, 11:52:11 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-14, 11:27:35 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-14, 11:27:33 Warning (5) Dynamic Range Window violation
2021-10-14, 11:27:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-14, 11:27:33 Warning (5) Dynamic Range Window violation
2021-10-14, 11:27:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
2021-10-14, 11:27:33 Warning (5) Dynamic Range Window violation
2021-10-14, 11:27:33 Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(MAC);CMTS-MAC=(MAC);CM-QOS=1.1;CM-VER=3.1;
Channel Lock Status Modulation Channel ID Frequency Power 1 Locked ATDMA 1 35600000 Hz 44.0 dBmV 2 Locked ATDMA 2 29200000 Hz 44.0 dBmV 3 Locked ATDMA 3 22800000 Hz 44.0 dBmV 4 Locked ATDMA 4 16400000 Hz 43.5 dBmV 5 Locked ATDMA 5 39600000 Hz 43.5 dBmV 6 Not Locked Unknown 0 0 Hz 0.0 dBmV 7 Not Locked Unknown 0 0 Hz 0.0 dBmV 8 Not Locked Unknown 0 0 Hz 0.0 dBmV Comcast has been at this location many times. Sadly, the contractors sometimes left things worse than when they arrived. In my own research, I have learned more than I ever wanted to know about the impact of bad F-connectors and loose connectors. I ended up doing a full 'audit' of every run, every connector, everywhere (even behind wall plates), etc. I found some very bad workmanship on connectors and fixed. I thought that had eliminated all problems, but something minor remains. Still looking to understand the true meaning of "RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW". I found a video by a couple of SCTE stating that this means the CMTS asked for the cable modem to transmit at too LOW a power level, but trying to verify.
Its in regards to a ranging request and the power levels. You can get indepth details at the cable labs spec site but its basically between the cmts/modem and what its calling for power levels and what those levels should be at.
https://www.cablelabs.com/specifications/search
do you have any errors in the downstream?
What does your docsis 3.1 ofdma channels look like?
(for testing) if you just direct connect to where the coax enters the home (without the splitter), do you still get the errors?
It definitely could be an issue with the modem. Especially if other modems don't have it.
Did you try any of netgears other docsis 3.1 modems?
