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Wishengrad's avatar
Wishengrad
Tutor
May 20, 2022
Solved

CM1000v2 modem is extremely slow and nowhere near the speeds of my CM500.

Hi all. My ISP is Spectrum and they sent their own modem recently to replace my CM500 because it's going to be outdated soon. I wanted to stick with my own equipment so I had recently purchased a CM1...
Hardware
Installation
Troubleshooting
  • Wishengrad's avatar
    Wishengrad
    May 21, 2022

    The head engineer at Spectrum had to look into my issue. They said it was something they haven't seen before and had to go into the backend and forcefully manipulate everything since their service wasn't talking to my modem properly despite being properly provisioned. I am now getting my speeds with the modem and it seems to be working fine.

Wishengrad's avatar
Wishengrad
Tutor
May 21, 2022

I rebooted my modem and connected my router. This is the log from doing that:

 

TimePriorityDescription
2022-05-21, 15:31:39Warning (5)RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
2022-05-21, 15:25:23Notice (6)US profile assignment change. US Chan ID: 8; Previous Profile: 13; New Profile: 11 13.;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
2022-05-21, 15:25:16Notice (6)DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2.;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
2022-05-21, 15:25:11Notice (6)TLV-11 - unrecognized OID;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
2022-05-21, 15:25:11Error (4)Missing BP Configuration Setting TLV Type: 17.9;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
2022-05-21, 15:25:11Error (4)Missing BP Configuration Setting TLV Type: 17.8;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
2022-05-21, 15:25:11Warning (5)DHCP WARNING - Non-critical field invalid in response ;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:01:5c:69:b0:6f;CM-QOS=1.1;CM-VER=3.1;
Time Not EstablishedNotice (6)Honoring MDD; IP provisioning mode = IPv4
Time Not EstablishedCritical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not EstablishedCritical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;CM-MAC=9c:c9:eb:40:49:78;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;