Cable Modem Status
Item Status Type
Cable Modem Status Online DOCSIS 3.0
Primary downstream channel Locked SC-QAM
Channel Overview Downstream Upstream
DOCSIS 3.0 channels 31 5
DOCSIS 3.1 channels 1 1
3.0 Downstream channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 370000000 7.5 42 QAM 256 2
2 362000000 7.6 43 QAM 256 1
3 378000000 7.3 42 QAM 256 3
4 386000000 7.1 42 QAM 256 4
5 394000000 7.1 42 QAM 256 5
6 402000000 7.2 42 QAM 256 6
7 410000000 7.1 42 QAM 256 7
8 418000000 7 42 QAM 256 8
9 426000000 6.8 42 QAM 256 9
10 434000000 6.5 42 QAM 256 10
11 442000000 6.1 42 QAM 256 11
12 450000000 6 42 QAM 256 12
13 458000000 6.2 42 QAM 256 13
14 474000000 6.3 42 QAM 256 15
15 482000000 6 42 QAM 256 16
16 490000000 6 42 QAM 256 17
17 498000000 5.9 42 QAM 256 18
18 506000000 5.8 42 QAM 256 19
19 514000000 5.8 42 QAM 256 20
20 522000000 6.1 42 QAM 256 21
21 530000000 6.4 42 QAM 256 22
22 538000000 6.4 42 QAM 256 23
23 546000000 6.1 42 QAM 256 24
24 554000000 5.8 42 QAM 256 25
25 562000000 5.5 42 QAM 256 26
26 570000000 5 42 QAM 256 27
27 578000000 4.6 42 QAM 256 28
28 586000000 4.6 42 QAM 256 29
29 594000000 4.9 42 QAM 256 30
30 602000000 4.8 42 QAM 256 31
31 610000000 4.7 42 QAM 256 32
3.0 Downstream channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 42 0 0
2 Locked 43 0 0
3 Locked 42 0 0
4 Locked 42 0 0
5 Locked 42 1 0
6 Locked 42 1 0
7 Locked 42 1 0
8 Locked 42 0 0
9 Locked 42 0 0
10 Locked 42 2 0
11 Locked 42 2 0
12 Locked 42 7 0
13 Locked 42 4 0
14 Locked 42 6 0
15 Locked 42 7 0
16 Locked 42 9 0
17 Locked 42 9 0
18 Locked 42 8 0
19 Locked 42 7 0
20 Locked 42 7 0
21 Locked 42 3 0
22 Locked 42 2 0
23 Locked 42 1 0
24 Locked 42 3 0
25 Locked 42 4 0
26 Locked 42 12 0
27 Locked 42 26 0
28 Locked 42 24 0
29 Locked 42 23 0
30 Locked 42 19 0
31 Locked 42 17 0
3.1 Downstream channels
Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
33 94 4K 1840 QAM 4096 1108
3.1 Downstream channels
Channel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile)
33 Locked 41 1.4 865769612 7415
3.0 Upstream channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
0 49600000 38.8 5120 QAM 64 7
1 43100000 38 5120 QAM 64 8
2 36600000 38 5120 QAM 64 9
3 30100000 38.3 5120 QAM 64 10
4 23600000 38 5120 QAM 64 11
3.0 Upstream channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
0 ATDMA 0 0 0 0
1 ATDMA 0 0 0 0
2 ATDMA 0 0 0 0
3 ATDMA 0 0 0 0
4 ATDMA 0 0 1 0
3.1 Upstream channels
Channel Channel Width (MHz) Power (dBmV) FFT Type Modulation
12 10.4 34.2 2K QAM 256
3.1 Upstream channels
Channel Channel Type Number of Active Subcarriers First Active Subcarrier (Hz) T3 Timeouts T4 Timeouts
12 OFDMA 208 74000000 18 0
General Configuration
Network access Allowed
Maximum Number of CPEs 3
Baseline Privacy Enabled
DOCSIS Mode 3.1
Config file cmreg-vmdg660-bbt076+voc-b.cm
Primary Downstream Service Flow
SFID 21034
Max Traffic Rate 1230000450 bps
Max Traffic Burst 42600bytes
Min Traffic Rate 0 bps
SFID 21036
Max Traffic Rate 128000 bps
Max Traffic Burst 3044bytes
Min Traffic Rate 0 bps
Primary Upstream Service Flow
SFID 21033
Max Traffic Rate 110000274 bps
Max Traffic Burst 42600bytes
Min Traffic Rate 0 bps
Max Concatenated Burst 42600bytes
Scheduling Type Best Effort
SFID 21035
Max Traffic Rate 128000 bps
Max Traffic Burst 3044bytes
Min Traffic Rate 0 bps
Max Concatenated Burst 1522bytes
Scheduling Type Best Effort
Network Log
Time Priority Description
20-01-2025 20:35:21 notice GUI Login Status - Login Success from LAN interface
20-01-2025 19:11:44 critical Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
20-01-2025 19:11:44 critical 16 consecutive T3 timeouts while trying to range on upstream channel 8;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
20-01-2025 19:10:36 critical Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:56:07 notice REGISTRATION COMPLETE - Waiting for Operational status
19-01-2025 11:56:02 warning RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:55:55 notice DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:55:52 notice TLV-11 - unrecognized OID;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:55:50 warning DHCP WARNING - Non-critical field invalid in response ;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:55:48 notice Honoring MDD; IP provisioning mode = IPv4
19-01-2025 11:55:45 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:55:39 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
19-01-2025 11:55:38 critical Cable Modem Reboot because of - HW or Power-On Reset
18-01-2025 23:14:20 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
18-01-2025 23:14:14 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
18-01-2025 23:14:13 critical Cable Modem Reboot because of - unknown
18-01-2025 22:52:22 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
18-01-2025 22:52:15 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
18-01-2025 22:52:14 critical Cable Modem Reboot because of - HW or Power-On Reset
06-01-2025 17:01:18 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 17:01:18 critical Cable Modem Reboot because of - HW or Power-On Reset
06-01-2025 16:47:24 critical SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:47:13 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:46:53 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:46:51 critical No Maintenance Broadcasts for Ranging opportunities received - T2 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:46:36 critical SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:46:18 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:46:17 critical Cable Modem Reboot because of - HW or Power-On Reset
06-01-2025 16:38:10 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:38:05 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-01-2025 16:38:04 critical Cable Modem Reboot because of - HW or Power-On Reset
05-01-2025 21:53:28 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
05-01-2025 21:53:22 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;