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Nighthawk AC1900 (C7000v2) Disconnects Frequently
For almost a week now, my modem has been losing its internet connection for several minutes at a time. This loss is simultaneous across all devices, both wired and wireless. Outside of these drops, p...
What Firmware version is currently loaded?
Please post a copy and paste of the modems connection status and event log page.
https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
https://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-router
What Wi-Fi channels are you using?
Any Wi-Fi Neighbors near by? If so, how many?
Event Log:
| 2023-5-31, 16:33:18 | Error (4) | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 15:26:28 | Warning (5) | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 15:26:24 | Notice (6) | Honoring MDD; IP provisioning mode = IPv4 |
| 2023-5-31, 15:26:13 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 15:25:40 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 15:25:40 | Warning (5) | MDD message timeout;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 1970-1-1, 00:00:59 | Warning (5) | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.0;CM-VER=3.0; |
| 1970-1-1, 00:00:57 | Notice (6) | Honoring MDD; IP provisioning mode = IPv4 |
| 1970-1-1, 00:00:49 | Critical (3) | No Ranging Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.0;CM-VER=3.0; |
| 1970-1-1, 00:00:41 | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
| 1970-1-1, 00:00:41 | Notice (6) | WiFi Interface [wl0] set to Channel 1 (Side-Band Channel:N/A) - Reason:INIT |
| 1970-1-1, 00:00:39 | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| 2023-5-31, 14:28:19 | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 13:32:50 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 13:32:18 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 11:32:00 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 11:31:28 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 09:21:51 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 09:21:19 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 07:20:33 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 05:27:17 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 05:26:45 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 03:20:43 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 03:20:10 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-31, 01:22:51 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 23:29:48 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 23:29:15 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 21:34:32 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 21:33:59 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 19:40:52 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 19:40:20 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 17:46:08 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 17:45:35 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 15:42:35 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 15:42:03 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 13:35:46 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 13:35:13 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 11:28:42 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 11:28:10 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.1;CM-VER=3.0; |
| 2023-5-30, 09:36:51 | Critical (3) | No Ranging Response received - T3 time-out;CM-MAC=80:cc:9c:0b:93:90;CMTS-MAC=00:01:5c:6b:b6:5c;CM-QOS=1.0;CM-VER=3.0; |