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Internet randomly disconnects for a few minutes
For a few months now my internet will randomly disconnect for a few minutes. Sometimes when this happens the modem will restart itself and other times I will have to turn the modem off and on for the internet to start working again. I only have one splitter where the cable comes into the house. It splits the cable to internet and TV and there are no splitters after that for the internet. I have disconnected and reconnected the cables to make sure they are tightly connected. My modem is a Motorola SURFboard SB6141. Here is the information when I check the modem:
Downstream:
| Channel ID | 33 | 41 | 34 | 35 | 36 | 1 | 2 | 3 |
| Frequency | 495000000 Hz | 489000000 Hz | 507000000 Hz | 513000000 Hz | 519000000 Hz | 525000000 Hz | 531000000 Hz | 537000000 Hz |
| Signal to Noise Ration | 37 dB | 37 dB | 38 dB | 38 dB | 38 dB | 38 dB | 38 dB | 38 dB |
| Downstream modulation | QAM256 | QAM256 | QAM256 | QAM256 | QAM256 | QAM256 | QAM256 | QAM256 |
| Power Level | -2 dBmV | -3 dBmV | -2 dBmV | -1 dBmV | -1 dBmV | -1 dBmV | -2 dBmV | -2 dBmV |
Upstream:
| Channel ID | 4 | 3 | 2 | 1 |
| Fequency | 16400000 Hz | 22800000 Hz | 29200000 Hz | 35600000 Hz |
| Ranging Service ID | 9995 | 9995 | 9995 | 9995 |
| Symbol Rate | 5.120 Msym/sec | 5.120 Msym/sec | 5.120 Msym/sec | 5.120 Msym/sec |
| Power Level | 49 dBmV | 49 dBmV | 50 dBmV | 50 dBmV |
| Upstream Modulation | [2] QPSK [1] 32QAM [3] 64QAM |
[2] QPSK [1] 32QAM [3] 64QAM |
[2] QPSK [1] 32QAM [3] 64QAM |
[2] QPSK [1] 32QAM [3] 64QAM |
| Ranging Status | Success | Success | Success | Success |
When I check the logs I get these errors every time the internet goes out:
| 3-Critical | R06.0 | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=[Edited: "Personal Information"];CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.0; |
| 3-Critical | R03.0 | Ranging Request Retries exhausted;CM-MAC=[Edited: "Personal Information"];CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.0; |
| 3-Critical | R02.0 | No Ranging Response received - T3 time-out;CM-MAC=[Edited: "Personal Information"];CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.0; |
No Responses!