Intermittent Wifi Connectivity Issues and SLOW connection

Question

I pay for the premier internet service, but seem to get anything BUT... it's slow like dial up many times or just stops responding, which doesn't make sense since I can test my speed at times and see 35.9 mbps download and 6.88mbps upload.
I know I have quite a few devices connected, which is why I pay for better internet service, but only 2 or 3 at a time that are actually streaming or internet browsing. I checked my channels and have adjusted to account for a lot of neighborhood cross-pollination, but no luck. Tried&nbsp;
On my Netgear Gateway C3600BD modem logs, I see a ton of error logs. Any advice is appreciated. This has been ongoing for quite a while, and usually the response is to reset the modem, but that's getting old.

2018-01-06, 21:33:54.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-06, 21:33:06.0
Notice (6)
TLV-11 - unrecognized OID;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 18:14:08.0
Critical (3)
Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:37:35.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:37:03.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:36:15.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:35:43.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:34:55.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:34:23.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:33:35.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:33:03.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:32:16.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:31:43.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:30:56.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 14:30:23.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 13:16:15.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 13:15:10.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:08:25.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:07:20.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:06:45.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:05:40.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:05:06.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:04:01.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:03:26.0
Critical (3)
Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

2018-01-05, 08:02:21.0
Critical (3)
Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;

Time Not Established
Warning (5)
DHCP WARNING - Non-critical field invalid in response ;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.0;CM-VER=3.0;

allan · Answer

Hello,
Do you have and splitters or signal amps plugged up to the cable line going to the modem?
Thanks,
Allan - Cox Support Forums Moderator.

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2018-01-06, 21:33:54.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-06, 21:33:06.0	Notice (6)	TLV-11 - unrecognized OID;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 18:14:08.0	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:37:35.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:37:03.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:36:15.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:35:43.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:34:55.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:34:23.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:33:35.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:33:03.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:32:16.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:31:43.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:30:56.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 14:30:23.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 13:16:15.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 13:15:10.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:08:25.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:07:20.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:06:45.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:05:40.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:05:06.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:04:01.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:03:26.0	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
2018-01-05, 08:02:21.0	Critical (3)	Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.1;CM-VER=3.0;
Time Not Established	Warning (5)	DHCP WARNING - Non-critical field invalid in response ;CM-MAC=b0:7f:b9:b2:6a:78;CMTS-MAC=2c:86:d2:88:a2:ad;CM-QOS=1.0;CM-VER=3.0;