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internet cuts in and out dozens of times daily. Help!!!
We did not have ANY issues prior to upgrading to the gigablast service. Now, the internet cuts out multiple times a day. Sometimes it will come back on its own, sometimes I have to reset the modem. Cox has been out twice and says that nothing is wrong on their end. Called netgear they say it's not the modem. Here's the list of events from my modem. PLEASE HELP!!
| 2021-01-30, 19:29:43 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:37 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:35 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:30 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:29 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:27 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:26 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:24 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:28:11 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:56 | Warning (5) | Dynamic Range Window violation |
| 2021-01-30, 19:27:50 | Notice (6) | TLV-11 - unrecognized OID;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:49 | Warning (5) | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:45 | Notice (6) | Honoring MDD; IP provisioning mode = IPv4 |
| 2021-01-30, 19:27:29 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:18 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:10 | Critical (3) | Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:07 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:05 | Critical (3) | Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:27:05 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:25:24 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:25:06 | Warning (5) | Unicast DSID PSN startup error |
| 2021-01-30, 19:24:52 | Notice (6) | TLV-11 - unrecognized OID;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:24:52 | Warning (5) | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:24:46 | Notice (6) | Honoring MDD; IP provisioning mode = IPv4 |
| 2021-01-30, 19:24:32 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:24:14 | Critical (3) | Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:24:14 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:23:36 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:22:32 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:22:30 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:22:25 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:22:23 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:22:08 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:22:08 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:21:59 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:18:26 | Warning (5) | MDD message timeout;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:18:19 | Warning (5) | Unicast DSID PSN startup error |
| 2021-01-30, 19:18:09 | Warning (5) | Dynamic Range Window violation |
| 2021-01-30, 19:18:04 | Notice (6) | TLV-11 - unrecognized OID;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
| 2021-01-30, 19:18:03 | Warning (5) | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=bc:a5:11:8d:b2:dc;CMTS-MAC=00:a3:d1:5d:a0:ef;CM-QOS=1.1;CM-VER=3.1; |
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SharonL
Former Moderator
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144 Messages
I am sorry to hear you are experiencing issues with your internet. This appears as if you may need someone to investigate your account personally. We would be able to assist you with this. Please reach us on Twitter at @CoxHelp, visit us on Facebook, or email us at cox.help@cox.com. Provide us the name on the account with the complete service address with a link to this thread so we can get started.
Sharon
Cox Support Forum Moderator
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Dave9
Contributor III
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251 Messages
Those T3 timeouts will cause problems. Every T3 timeout represents packet loss that causes the internet to cut out. Check all of your interior connections, remove unnecessary splitters and replace all interior cable with brand new high quality RG6 if possible. If you do all that are are still getting T3 timeouts you need to call for another tech since the first ones probably missed something. There is always a small chance that it's a defective modem but that's a very small chance compared to how often Cox blames the modem.
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CoxUserFor30yea
New Contributor
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3 Messages
I do not have the Gigablast service and sounds like I do not want it. I have had my internet only drop three days in a row - the cox telephone service still works and it comes through the same Cox provided modem. When I reset the modem the internet and telephone work. I will try to call/chat with Cox to see if they have an answer. There were no announced outages. It is also not my router/switch - I connect a computer directly to the Cox Modem and still no internet.
In the past I had the internet dropping at 9:30 PM every evening. I connected my computer directly to the modem and it worked - only with IPV6. I offered to send the netstat and ipconfig screen shots. They were not interested and the outages stopped.
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