CM3000 Issues Xfinity

Cable Connection
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Cable Diagnostic
Status: Good
Action:
Your setup looks fine. If you can't access the internet, make sure you properly activated the modem. If modem has been activated and you still can't access the internet, contact your service provider for troubleshooting help.
If you can access the internet but has other internet issue, the Netgear Cable Knowledge Base can provide additional troubleshooting info.
CM Status:
Downstream Status:
Upstream Status:

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Advanced Information
Frequency Start Value
This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Enter the new start frequency and restart the cable modem for it to take effect.
Starting Frequency

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 IPv6 only

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1 Locked QAM256 28 549000000 Hz 3.5 dBmV 44.4 dB 0 0
2 Locked QAM256 1 387000000 Hz 4.8 dBmV 45.4 dB 7 0
3 Locked QAM256 2 393000000 Hz 4.7 dBmV 45.4 dB 0 0
4 Locked QAM256 3 399000000 Hz 4.7 dBmV 45.4 dB 0 0
5 Locked QAM256 4 405000000 Hz 4.5 dBmV 45.3 dB 0 0
6 Locked QAM256 5 411000000 Hz 4.6 dBmV 45.1 dB 0 0
7 Locked QAM256 6 417000000 Hz 4.5 dBmV 45.3 dB 0 0
8 Locked QAM256 7 423000000 Hz 4.4 dBmV 45.3 dB 0 0
9 Locked QAM256 8 429000000 Hz 4.4 dBmV 45.2 dB 0 0
10 Locked QAM256 9 435000000 Hz 4.4 dBmV 45.2 dB 0 0
11 Locked QAM256 10 441000000 Hz 4.3 dBmV 45.2 dB 0 0
12 Locked QAM256 11 447000000 Hz 4.4 dBmV 45.2 dB 0 0
13 Locked QAM256 12 453000000 Hz 4.5 dBmV 45.2 dB 0 0
14 Locked QAM256 13 459000000 Hz 4.5 dBmV 45.3 dB 0 0
15 Locked QAM256 14 465000000 Hz 4.5 dBmV 45.3 dB 0 0
16 Locked QAM256 15 471000000 Hz 4.6 dBmV 45.2 dB 0 0
17 Locked QAM256 16 477000000 Hz 4.7 dBmV 45.3 dB 0 0
18 Locked QAM256 17 483000000 Hz 4.6 dBmV 45.2 dB 0 0
19 Locked QAM256 18 489000000 Hz 4.6 dBmV 45.2 dB 0 0
20 Locked QAM256 19 495000000 Hz 4.6 dBmV 45.3 dB 0 0
21 Locked QAM256 20 501000000 Hz 4.5 dBmV 45.2 dB 0 0
22 Locked QAM256 21 507000000 Hz 4.4 dBmV 45.1 dB 0 0
23 Locked QAM256 22 513000000 Hz 4.2 dBmV 45.1 dB 0 0
24 Locked QAM256 23 519000000 Hz 4.1 dBmV 45.0 dB 0 0
25 Locked QAM256 24 525000000 Hz 4.0 dBmV 44.9 dB 0 0
26 Locked QAM256 25 531000000 Hz 3.8 dBmV 44.8 dB 0 0
27 Locked QAM256 26 537000000 Hz 3.6 dBmV 44.6 dB 0 0
28 Locked QAM256 27 543000000 Hz 3.5 dBmV 44.5 dB 0 0
29 Locked QAM256 29 555000000 Hz 3.6 dBmV 44.5 dB 0 0
30 Locked QAM256 30 561000000 Hz 3.7 dBmV 44.5 dB 0 0
31 Locked QAM256 31 567000000 Hz 3.8 dBmV 44.6 dB 0 0
32 Locked QAM256 32 573000000 Hz 4.1 dBmV 44.7 dB 0 0

Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 1 5120 Ksym/sec 16400000 Hz 45.5 dBmV
2 Locked ATDMA 2 5120 Ksym/sec 22800000 Hz 45.8 dBmV
3 Locked ATDMA 3 5120 Ksym/sec 29200000 Hz 46.0 dBmV
4 Locked ATDMA 4 5120 Ksym/sec 35600000 Hz 46.3 dBmV
5 Not Locked Unknown 0 0 0 0.0 dBmV
6 Not Locked Unknown 0 0 0 0.0 dBmV
7 Not Locked Unknown 0 0 0 0.0 dBmV
8 Not Locked Unknown 0 0 0 0.0 dBmV

Downstream OFDM Channels
Channel Lock Status 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 722000000 Hz 4.88 dBmV 44.2 dB 448 ~ 3647 701856582 221820106 0
2 Locked 0 ,1 ,2 ,3 194 957000000 Hz 3.88 dBmV 43.2 dB 148 ~ 3947 709624090 280155592 0

Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Locked 12 ,13 41 36200000 Hz 41.8 dBmV
2 Not Locked 0 0 0 Hz 0 dBmV