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highfalutin60's avatar
highfalutin60
Aspirant
May 12, 2024

How to read/understand the cable diagnostics on the Nighthawk CAX80.

Hardware Version 1.01   Firmware Version V2.1.5.2   Cable Firmware Version V1.02.08   When the connection on the Nighthawk CAX80 changes from good to poor due to the down...
Hardware
Troubleshooting
FURRYe38's avatar
FURRYe38
Guru - Experienced User
May 12, 2024

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

 

Power needs to be in between these specs for NG modems and gateways:

https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router

 

Basements are not recommended places for wifi routers or gateways. Concrete and steel will inhibit good signal travel. 

 

highfalutin60's avatar
highfalutin60
Aspirant
May 12, 2024
Event Log
Clear Log Refresh
 
TimePriorityDescription
Sun May 12 05:29:51 2024Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 03:48:07 2024Notice (6)CM-STATUS message sent. Event Type Code: 24; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 03:43:20 2024Notice (6)CM-STATUS message sent. Event Type Code: 16; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 02:45:36 2024Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 01:13:00 2024Notice (6)CM-STATUS message sent. Event Type Code: 24; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 01:10:07 2024Notice (6)CM-STATUS message sent. Event Type Code: 16; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 01:09:59 2024Notice (6)CM-STATUS message sent. Event Type Code: 16; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 2.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sun May 12 01:09:12 2024Notice (6)CM-STATUS message sent. Event Type Code: 16; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 22:58:28 2024Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 22:35:43 2024Notice (6)CM-STATUS message sent. Event Type Code: 4; Chan ID: 193 194; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 22:35:16 2024Warning (5)MDD message timeout;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 20:30:59 2024Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 19:53:02 2024Critical (3)UCD invalid or channel unusable;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 19:53:00 2024Notice (6)DS profile assignment change. DS Chan ID: 33; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 19:52:59 2024Notice (6)DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 19:52:34 2024Notice (6)TLV-11 - unrecognized OID;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:51 1970Notice (6)Honoring MDD; IP provisioning mode = IPv6
Thu Jan 1 00:00:45 1970Critical (3)UCD invalid or channel unusable;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:43 1970Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 16:26:17 2024Critical (3)Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Sat May 11 15:14:12 2024Critical (3)UCD invalid or channel unusable;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:46 1970Critical (3)UCD invalid or channel unusable;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:90:f0:63:04:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:43 1970Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=94:18:65:a6:1f:63;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;