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Wednesday, October 11th, 2023

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CM1200 Modem snapshot w/ Nighthawk R9000 router - topping out at 600Mbps hardwired, pls help!

Hello - I have had numerous techs out here and they cant seem to figure out what the issue is.  I have the top tier plan (1200MBps) and I am only getting 600-700Mbps hard wired (CAT7) to my PC - and wireless is hovering around 400.   I have a Netgear Nighthawk Router R9000 running V1.0.5.42 firmware (latest), and a Netgear CM1200 Cable modem with V3.12.03 firmware.  They did put a 3 DB attentuator on the back of my modem, here is my snapshot from my modem:  Can someone please look into this for me, before I have another tech come out and waste anyone's time.   Thanks.

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 549000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enabled BPI+
IP Provisioning Mode Honor MDD honorMdd(4)
 
Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1 Locked QAM256 20 549000000 Hz 8.1 dBmV 42.9 dB 11 0
2 Locked QAM256 13 507000000 Hz 8.9 dBmV 43.2 dB 2 0
3 Locked QAM256 14 513000000 Hz 8.8 dBmV 43.3 dB 0 0
4 Locked QAM256 15 519000000 Hz 8.7 dBmV 43.1 dB 4 0
5 Locked QAM256 16 525000000 Hz 8.5 dBmV 43.1 dB 2 0
6 Locked QAM256 17 531000000 Hz 8.3 dBmV 43.1 dB 5 0
7 Locked QAM256 18 537000000 Hz 8.3 dBmV 43 dB 11 0
8 Locked QAM256 19 543000000 Hz 8.1 dBmV 42.9 dB 6 0
9 Locked QAM256 21 555000000 Hz 7.9 dBmV 42.9 dB 6 0
10 Locked QAM256 22 561000000 Hz 8.3 dBmV 43 dB 6 0
11 Locked QAM256 23 567000000 Hz 8.3 dBmV 43 dB 7 0
12 Locked QAM256 24 573000000 Hz 8.4 dBmV 43 dB 9 0
13 Locked QAM256 25 579000000 Hz 8.5 dBmV 43.1 dB 12 0
14 Locked QAM256 26 585000000 Hz 8.3 dBmV 43 dB 19 0
15 Locked QAM256 27 591000000 Hz 8.4 dBmV 43 dB 12 0
16 Locked QAM256 28 597000000 Hz 8.5 dBmV 43 dB 15 0
17 Locked QAM256 29 603000000 Hz 8.4 dBmV 42.9 dB 20 0
18 Locked QAM256 30 609000000 Hz 8.2 dBmV 42.8 dB 25 0
19 Locked QAM256 31 615000000 Hz 7.8 dBmV 42.6 dB 26 0
20 Locked QAM256 32 621000000 Hz 8 dBmV 42.6 dB 19 0
21 Locked QAM256 33 627000000 Hz 8.3 dBmV 42.7 dB 24 0
22 Locked QAM256 34 633000000 Hz 8.4 dBmV 42.7 dB 24 0
23 Locked QAM256 35 639000000 Hz 8.5 dBmV 42.6 dB 20 0
24 Locked QAM256 36 645000000 Hz 8.8 dBmV 42.7 dB 26 0
25 Locked QAM256 37 651000000 Hz 9.3 dBmV 42.9 dB 22 0
26 Locked QAM256 38 657000000 Hz 9.2 dBmV 42.9 dB 24 0
27 Locked QAM256 39 663000000 Hz 9.1 dBmV 42.8 dB 17 0
28 Locked QAM256 40 669000000 Hz 8.8 dBmV 42.8 dB 24 0
29 Locked QAM256 41 675000000 Hz 8.7 dBmV 42 dB 37 0
30 Locked QAM256 42 681000000 Hz 8.6 dBmV 42.7 dB 36 0
31 Locked QAM256 43 687000000 Hz 8.1 dBmV 42.6 dB 32 0
32 Locked QAM256 44 693000000 Hz 7.9 dBmV 42.3 dB 30 0
 
Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 17 5120 Ksym/sec 16400000 Hz 42.5 dBmV
2 Locked ATDMA 18 5120 Ksym/sec 22800000 Hz 41.5 dBmV
3 Locked ATDMA 19 5120 Ksym/sec 29200000 Hz 41.3 dBmV
4 Locked ATDMA 20 5120 Ksym/sec 35600000 Hz 41.3 dBmV
5 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
6 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
7 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
8 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
 
Downstream OFDM Channels
Channel Lock
Status
Modulation /
Profile ID
Channel
ID
Frequency Power SNR /
MER
Active Subcarrier
Number Range
Unerrored
Codewords
Correctable
Codewords
Uncorrectable
Codewords
1 Locked 0 ,1 ,2 ,3 193 702000000 Hz 8.5 dBmV 42.4 dB 1108 ~ 2987 897103485 18372852 0
2 Not Locked 0 0 0 Hz 0 dBmV 0.0 dB 0 ~ 4095 0 0 0
 
Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Not Locked 0 0 0 Hz 0 dBmV
2 Not Locked 0 0 0 Hz 0 dBmV
 
Extended Upstream Transmit Power
Enable Extended Upstream Transmit Power (this is checked for 'Enabled')

Current System Time:Wed Oct 11 17:08:43 2023
System Up Time:20:09:36

EDIT:  Adding QOS info:  Dynamic QOS is off (unchecked), Let Speedtest detect my bandwith (enabled), and Auto Update performance optimization db is checked.

 

Thanks for reading

J

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