Help with nightly slow downs and disconnects - Time Warner Internet

#1
This question is about "Help with nightly slow downs and disconnects", with Time Warner Cable internet and apps.
  • West Columbia, SC, single family house
  • Internet service only
  • SB6141
    • B_KOMODO-1.0.7.0-SCM00-NOSH
      Boot Version: PSPU-Boot(25CLK) 1.0.12.18m3
      Hardware Version: 7.0
      Firmware Build Time: Jul 22 2016 08:13:57
  • Netgear Nighthawk R7000
    • Firmware: V1.0.9.28_10.2.32
  • Purchased speed is 100/10, Spectrum speed test shows 108.9/11.2 during good times, barely 500kpbs during slow downs.
  • Happens both on wired and wireless connections independent of usage (e.g. streaming, browsing, etc.)
  • Only resovled by power cycling the SB6141

This has been happening for about 2 years. We call it the "Prime Time Slowdown". Every evening around 9 PM EDT our internet will slow down to a crawl. A quick reboot of the SB6141 will resolve it until the next day. I work mostly from home and the service is usually solid during the weekday. I've even tried to preemptively reboot the modem around 8:30 PM to see if it still slows down; it does. Spectrum reps see nothing wrong with our service.







SB6141 logs







R7000 logs from yesterday leading up the slowdown (router time is 2 hrs ahead of EDT)

[DHCP IP: (192.168.1.5)] to MAC address A0
7:95:63:56:43, Thursday, Jun 07,2018 05:04:47
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 04:44:27
[DHCP IP: (192.168.1.18)] to MAC address 9C:E6:35:38:7B:15, Thursday, Jun 07,2018 04:25:27
[DHCP IP: (192.168.1.13)] to MAC address 98:B6:E9:28:6B:8D, Thursday, Jun 07,2018 03:56:23
[DHCP IP: (192.168.1.18)] to MAC address 9C:E6:35:38:7B:15, Thursday, Jun 07,2018 03:23:45
[DHCP IP: (192.168.1.7)] to MAC address C4:7F:51:02
E:71, Thursday, Jun 07,2018 03:19:59
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:16:39
[Time synchronized with NTP server] Thursday, Jun 07,2018 03:15:50
[Internet connected] IP address: 172.75.185.207, Thursday, Jun 07,2018 03:15:49
[Internet disconnected] Thursday, Jun 07,2018 03:15:47
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:15:29
[DHCP IP: (192.168.1.7)] to MAC address C4:7F:51:02
E:71, Thursday, Jun 07,2018 03:15:25
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:15:19
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:15:09
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:15:00
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:14:59
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:14:48
[DHCP IP: (192.168.1.6)] to MAC address 18:B4:30:89:5A:F8, Thursday, Jun 07,2018 03:14:44
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:14:40
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:14:39
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:14:28
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:14:21
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:14:19
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:14:08
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:14:01
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:13:49
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:13:39
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:13:28
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:13:18
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:13:11
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:13:08
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:12:58
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:12:51
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:12:48
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:12:38
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:12:28
[DHCP IP: (192.168.1.7)] to MAC address C4:7F:51:02
E:71, Thursday, Jun 07,2018 03:12:19
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:12:18
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:12:08
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:12:01
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:11:58
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:11:48
[DHCP IP: (192.168.1.6)] to MAC address 18:B4:30:89:5A:F8, Thursday, Jun 07,2018 03:11:45
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:11:41
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:11:29
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:11:18
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:11:08
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:10:58
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:10:51
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:10:48
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:10:38
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:10:30
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:10:28
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:10:18
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:10:08
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:09:49
[DHCP IP: (192.168.1.6)] to MAC address 18:B4:30:89:5A:F8, Thursday, Jun 07,2018 03:09:46
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:09:41
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:09:38
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:09:28
[DHCP IP: (192.168.1.28)] to MAC address 40
2:8A:3A
C:37, Thursday, Jun 07,2018 03:09:20
[Internet connected] IP address: 192.168.100.10, Thursday, Jun 07,2018 03:09:18
[DHCP IP: (192.168.1.7)] to MAC address C4:7F:51:02
E:71, Thursday, Jun 07,2018 03:09:12

Help with nightly slow downs and disconnects?
 
#2
There are a lot of reasons why your internet could be slowing down at night - not the least of which could be throttling, which is now legal since net neutrality has been abolished and there's nothing you can do about it. That being said, the fact you've been experiencing this for 2 years makes that an unlikely explanation.

If Spectrum techs can't/won't help you then you should try hiring a 3rd party tech to look into your issues.
 

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