Internet intermittently down for months

Question

I’ve had intermittent outages for months now with my internet and haven’t been able to get any resolution through phone or chat. The internet will go down for 5-60 minutes usually and sometimes for hours at a time.
Here are some of the things that have already been tried, and some modem logs I’ve captured. I’m desperately hopeful someone on here can help because I’m really running out of options here.
1) replaced line to house last year
2) replaced modem, new one is an sb6190
3) replaced coax inside the house to the modem
4) replaced the part where it goes through the exterior wall into the house
5) added an attenuator
6) replaced said attenuator&nbsp;
7) had many tech visits

It’s down right now again and here is the event log and signal info from the modem

Event Log

The table below contains the log of events that the SB6190 has detected. This log can be important to the service provider to help diagnose and correct problems, if any should occur.

Time
Priority
Description

Thu Jan 01 00:03:45 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:03:45 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:04:13 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:04:14 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:04:54 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:04:54 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:05:41 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:05:41 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:06:20 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:06:20 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:06:50 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:06:50 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:07:32 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:07:32 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:08:04 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:08:04 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:02:04 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:02:04 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:02:37 1970
3
Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Thu Jan 01 00:02:37 1970
3
No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Status

The statuses listed show the connection state of the cable modem. They are used by your service provider to evaluate the operation of the cable modem.

Startup Procedure

Procedure
Status
Comment

Acquire Downstream Channel

Locked

Connectivity State
In Progress
DS Topology Resolution in Progress

Boot State
In Progress

Configuration File
OK

Security
Enabled
BPI+

DOCSIS Network Access Enabled
Allowed

Downstream Bonded Channels

Channel
Lock Status
Modulation
Channel ID
Frequency
Power
SNR
Corrected
Uncorrectables

1
Locked
256QAM
30
957.00 MHz
7.50 dBmV
37.64 dB
0
0

&gt;

Upstream Bonded Channels

Channel
Lock Status
US Channel Type
Channel ID
Symbol Rate
Frequency
Power

1
----
----
1
----
17.40 MHz
----

Current System Time: Thu Jan 01 00:05:14 1970

latitias · Answer

Hi Mlee4444,

I am very sorry to learn of your chronic connection troubles and I'd like to help.  Can you please send us an email to cox.help@cox.com with your account details (name and address)? Please be sure to include the URL so that we may identify you.  I'd like to review what has been done and work with you to see what needs to be done to resolve your issues.

Latitia
Cox Support Forums Moderator

Downstream Bonded Channels
Channel	Lock Status	Modulation	Channel ID	Frequency	Power	SNR	Corrected	Uncorrectables
1	Locked	256QAM	30	957.00 MHz	7.50 dBmV	37.64 dB	0	0

Upstream Bonded Channels
Channel	Lock Status	US Channel Type	Channel ID	Symbol Rate	Frequency	Power
1	----	----	1	----	17.40 MHz	----

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Time	Priority	Description
Thu Jan 01 00:03:45 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:03:45 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:04:13 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:04:14 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:04:54 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:04:54 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:05:41 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:05:41 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:06:20 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:06:20 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:06:50 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:06:50 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:07:32 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:07:32 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:08:04 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:08:04 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:02:04 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:02:04 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:02:37 1970	3	Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;
Thu Jan 01 00:02:37 1970	3	No Ranging Response received - T3 time-out;CM-MAC=f8:2d:c0:9a:4a:8f;CMTS-MAC=00:42:5a:1d:c0:ed;CM-QOS=1.1;CM-VER=3.0;

Startup Procedure
Procedure	Status	Comment
Acquire Downstream Channel		Locked
Connectivity State	In Progress	DS Topology Resolution in Progress
Boot State	In Progress
Configuration File	OK
Security	Enabled	BPI+
DOCSIS Network Access Enabled	Allowed