05-09-2021 16:28 - edited 05-09-2021 16:32
Ok things checked/actioned: Rebooted modem (latest V4), checked coax, checked Cat6 cables, WiFi is off on the modem.
Running speed tests directly at the modem with my laptop (less than 18 months old running the latest version of Win 10 and using the admin account) with a WIRED connection, today I am getting ~60-90Mb down out of 1000Mb.
Have had the Gig service for about 12 months now and I never get more than ~500Mb.
Have phoned on multiple occasions to be told there is nothing wrong with the modem or last mile.
Anyone any suggestions other than phoning in.
Am gonna be phoning in to claim about 12 months worth of my service costs back.
At a loss & frustrated
P.S. I am technically adept having managed the infrastructure for a major global company for many years
05-09-2021 19:15 - edited 05-09-2021 19:20
Boot it into safe+networking mode and put the Hub in modem mode. That will give you the maximum speed possible.
As you are tech savvy I wont mention ethernet cable failures and bad NIC cards defaulting to 10/100 or Dell's killer wifi cards, etc 🙂
on 05-09-2021 19:49
Here is the info out of my modem
05-09-2021 19:50 - edited 05-09-2021 19:52
Yeah have checked everything you suggest, hub is always in modem mode and I have numerous cables that test fine and I don't use the wifi in modem, wired is the way forward.
service is still at the mentioned levels
on 05-09-2021 20:08
on 05-09-2021 20:14
Upstream
3.0 Upstream channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 39400000 | 51 | 5120 KSym/sec | 64QAM | 4 |
2 | 46200000 | 50.8 | 5120 KSym/sec | 64QAM | 3 |
3 | 53700000 | 52.3 | 5120 KSym/sec | 64QAM | 2 |
4 | 60300000 | 53.3 | 5120 KSym/sec | 64QAM | 1 |
3.0 Upstream channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
2 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
3 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
4 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
on 05-09-2021 20:16
Downstream
3.0 Downstream channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
25 | 331000000 | 1.6 | 39 | QAM256 | 25 |
8 | 195000000 | -1.3 | 37.6 | QAM256 | 8 |
9 | 203000000 | -0.9 | 37.6 | QAM256 | 9 |
10 | 211000000 | -1.3 | 37.6 | QAM256 | 10 |
11 | 219000000 | -1.6 | 37.4 | QAM256 | 11 |
12 | 227000000 | -1.8 | 37.4 | QAM256 | 12 |
13 | 235000000 | -1.8 | 37.4 | QAM256 | 13 |
14 | 243000000 | -1.7 | 37.4 | QAM256 | 14 |
15 | 251000000 | -1.7 | 37.4 | QAM256 | 15 |
16 | 259000000 | -1.1 | 37.6 | QAM256 | 16 |
17 | 267000000 | -0.7 | 37.6 | QAM256 | 17 |
18 | 275000000 | -0.1 | 38.6 | QAM256 | 18 |
19 | 283000000 | -0.1 | 37.6 | QAM256 | 19 |
20 | 291000000 | 0.1 | 38.6 | QAM256 | 20 |
21 | 299000000 | 0 | 37.6 | QAM256 | 21 |
22 | 307000000 | 0.5 | 38.6 | QAM256 | 22 |
23 | 315000000 | 0.8 | 38.6 | QAM256 | 23 |
24 | 323000000 | 1.4 | 38.6 | QAM256 | 24 |
26 | 339000000 | 1.5 | 38.6 | QAM256 | 26 |
27 | 347000000 | 1.1 | 39 | QAM256 | 27 |
28 | 355000000 | 0.8 | 39 | QAM256 | 28 |
29 | 363000000 | 0.6 | 39 | QAM256 | 29 |
30 | 371000000 | 0.4 | 38.6 | QAM256 | 30 |
31 | 379000000 | 0.2 | 38.6 | QAM256 | 31 |
32 | 387000000 | 0.2 | 39 | QAM256 | 32 |
33 | 395000000 | 0.3 | 38.6 | QAM256 | 33 |
34 | 403000000 | 0 | 38.6 | QAM256 | 34 |
35 | 411000000 | 0 | 39 | QAM256 | 35 |
36 | 419000000 | -0.6 | 38.6 | QAM256 | 36 |
37 | 427000000 | -0.7 | 38.6 | QAM256 | 37 |
38 | 435000000 | -0.8 | 39 | QAM256 | 38 |
3.0 Downstream channels
Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors
25 | Locked | 38.983261 | 0 | 0 |
8 | Locked | 37.636276 | 0 | 0 |
9 | Locked | 37.636276 | 0 | 0 |
10 | Locked | 37.636276 | 0 | 0 |
11 | Locked | 37.355988 | 0 | 0 |
12 | Locked | 37.355988 | 0 | 0 |
13 | Locked | 37.355988 | 0 | 0 |
14 | Locked | 37.355988 | 0 | 0 |
15 | Locked | 37.355988 | 0 | 0 |
16 | Locked | 37.636276 | 0 | 0 |
17 | Locked | 37.636276 | 0 | 0 |
18 | Locked | 38.605377 | 0 | 0 |
19 | Locked | 37.636276 | 0 | 0 |
20 | Locked | 38.605377 | 0 | 0 |
21 | Locked | 37.636276 | 0 | 0 |
22 | Locked | 38.605377 | 0 | 0 |
23 | Locked | 38.605377 | 0 | 0 |
24 | Locked | 38.605377 | 0 | 0 |
26 | Locked | 38.605377 | 0 | 0 |
27 | Locked | 38.983261 | 0 | 0 |
28 | Locked | 38.983261 | 0 | 0 |
29 | Locked | 38.983261 | 0 | 0 |
30 | Locked | 38.605377 | 0 | 0 |
31 | Locked | 38.605377 | 0 | 0 |
32 | Locked | 38.983261 | 0 | 0 |
33 | Locked | 38.605377 | 0 | 0 |
34 | Locked | 38.605377 | 0 | 0 |
35 | Locked | 38.983261 | 0 | 0 |
36 | Locked | 38.605377 | 0 | 0 |
37 | Locked | 38.605377 | 0 | 0 |
38 | Locked | 38.983261 | 0 | 0 |
159 | 96 | 4K | 1880 | QAM4096 | 759 |
159 | Locked | 40 | -2.5 | 88630592 | 0 |
on 05-09-2021 20:17
Configuration
General Configuration
Network access | true |
Maximum Number of CPEs | 1 |
Baseline Privacy | true |
DOCSIS Mode | 3.1 |
Config file | 87dsfd;kfoA,.iyewrkldJKDH |
Primary Downstream Service Flow
SFID | 714 |
Max Traffic Rate | 1200000450 |
Max Traffic Burst | 42600 |
Min Traffic Rate | 0 |
Primary Upstream Service Flow
SFID | 713 |
Max Traffic Rate | 55000270 |
Max Traffic Burst | 42600 |
Min Traffic Rate | 0 |
Max Concatenated Burst | 16320 |
Scheduling Type | bestEffort |
on 05-09-2021 20:18
Network Log
S=1.1;CM-VER=3.1;Mon 09/08/2021 12:19:563No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Tue 10/08/2021 13:36:466CM-STATUS message sent. Event Type Code: 5; Chan ID: 21; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Wed 11/08/2021 20:08:533No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 12/08/2021 04:21:106CM-STATUS message sent. Event Type Code: 23; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 12/08/2021 04:34:134DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 12/08/2021 04:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 12/08/2021 15:07:206CM-STATUS message sent. Event Type Code: 5; Chan ID: 21; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 12/08/2021 15:18:113SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 12/08/2021 15:18:286CM-STATUS message sent. Event Type Code: 5; Chan ID: 22; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sun 15/08/2021 16:34:134DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sun 15/08/2021 16:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 19/08/2021 04:21:326CM-STATUS message sent. Event Type Code: 23; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 19/08/2021 04:34:134DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 19/08/2021 04:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Fri 20/08/2021 14:12:266CM-STATUS message sent. Event Type Code: 5; Chan ID: 22; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sat 21/08/2021 07:33:583No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sat 21/08/2021 19:52:126CM-STATUS message sent. Event Type Code: 5; Chan ID: 22; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sun 22/08/2021 16:34:134DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sun 22/08/2021 16:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Wed 25/08/2021 15:33:556CM-STATUS message sent. Event Type Code: 5; Chan ID: 22; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 26/08/2021 04:34:124DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 26/08/2021 04:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 26/08/2021 14:47:033No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Fri 27/08/2021 13:56:436CM-STATUS message sent. Event Type Code: 5; Chan ID: 22; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sun 29/08/2021 16:34:134DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Sun 29/08/2021 16:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Tue 31/08/2021 14:40:016CM-STATUS message sent. Event Type Code: 24; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Tue 31/08/2021 15:54:023No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Tue 31/08/2021 17:15:146CM-STATUS message sent. Event Type Code: 23; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 02/09/2021 04:34:134DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Thu 02/09/2021 04:34:136DHCP Renew - lease parameters tftp file-cmreg-vmdg640-bbt076-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;Fri 03/09/2021 16:44:415MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
on 05-09-2021 20:24
Upstream power is out of spec.
However it is the right modulation somehow.