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alex88's avatar
alex88
New Contributor
7 years ago

Connection dropping Netgear CM400

I have a 100 mbit package and I have my own modem (Netgear CM400), every few days internet stops working, the router (I've a Netgear R7800 attached to the modem) seems not able to connect to internet, every try to get a public IP fails, like it's getting a timeout.

Modem LEDs seems fine, all green and the internet one blinking, however I have to restart the modem and then everything works, this is the log of the modem:

Dec 6 04:16:26 2017 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Dec 6 04:16:26 2017 Notice (6) TLV-11 - unrecognized OID
Dec 6 04:16:35 2017 Critical (3) No Ranging Response received - T3 time-out
Dec 12 23:35:51 2017 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Dec 12 23:35:51 2017 Notice (6) TLV-11 - unrecognized OID
Dec 13 21:38:58 2017 Critical (3) No Ranging Response received - T3 time-out
Dec 19 23:35:51 2017 Notice (6) DHCP Renew - lease parameters tftp file-^1/56B9675B/141/001 modified
Dec 24 10:43:07 2017 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Dec 24 10:43:07 2017 Notice (6) TLV-11 - unrecognized OID
Dec 30 12:43:08 2017 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Dec 30 12:43:08 2017 Notice (6) TLV-11 - unrecognized OID
Jan 5 06:55:54 2018 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Jan 5 06:55:54 2018 Notice (6) TLV-11 - unrecognized OID

and these are the cable stats:

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 393000000 Hz Locked
Connectivity State Ok Operational
Boot State -- --
Configuration File -- --
Security Enabled BPI+

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables UnCorrectables
1 Locked QAM 256 33 357000000 Hz 0.8 dBmV 36.8 dB 134 2061
2 Locked QAM 256 34 363000000 Hz 1.1 dBmV 37.0 dB 13 2031
3 Locked QAM 256 35 369000000 Hz 1.0 dBmV 37.3 dB 12 2105
4 Locked QAM 256 36 375000000 Hz 1.2 dBmV 37.0 dB 16 2210
5 Locked QAM 256 37 381000000 Hz 1.4 dBmV 37.9 dB 22 2232
6 Locked QAM 256 38 387000000 Hz 1.4 dBmV 37.9 dB 34 2233
7 Locked QAM 256 39 393000000 Hz 1.1 dBmV 37.9 dB 36 2214
8 Locked QAM 256 40 399000000 Hz 0.6 dBmV 37.6 dB 61 2145

Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 4 2560 Ksym/sec 18400000 Hz 41.0 dBmV
2 Locked ATDMA 3 5120 Ksym/sec 23300000 Hz 42.5 dBmV
3 Locked ATDMA 2 5120 Ksym/sec 29800000 Hz 42.5 dBmV
4 Locked ATDMA 1 5120 Ksym/sec 36300000 Hz 44.0 dBmV

1 Reply

  • alex88

    I'd like to take a look at the account. Please send an email to: cox.help@cox.com and include your full address and include your full name or the name on the account. Thanks!

    StephanieS
    Cox Support Forums Moderator