That's my line of thinking but I have no SNR observation to prove it.
The symptom is a congested times of the day the net will go slower and slower.
Normally I would expect it to speed up eventually.
What I am getting at these times is a new IP address with no retrain.
Or no IP and a retrain some minutes later.
Note BT HUB 4B ADSL(0) Max not 2+
00:54:31, 02 Apr. NTP synchronization success
00:54:18, 02 Apr. NTP synchronization start
00:54:16, 02 Apr. WAN connection ATM connected
00:54:16, 02 Apr. PPP IPCP Receive Configuration ACK
00:54:16, 02 Apr. PPP IPCP Send Configuration Request
00:54:16, 02 Apr. PPP IPCP Receive Configuration NAK
00:54:16, 02 Apr. PPP IPCP Send Configuration Request
00:54:15, 02 Apr. PPP IPCP Receive Configuration Reject
00:54:15, 02 Apr. PPP IPCP Send Configuration ACK
00:54:15, 02 Apr. PPP IPCP Receive Configuration Request
00:54:15, 02 Apr. PPP IPCP Send Configuration Request
00:54:15, 02 Apr. PPP CHAP Receive success : authentication successful
00:54:15, 02 Apr. PPP CHAP Receive Challenge
00:54:14, 02 Apr. PPP LCP Send Configuration ACK
00:54:14, 02 Apr. PPP LCP Receive Configuration Request
00:54:14, 02 Apr. PPP LCP Receive Configuration ACK
00:54:14, 02 Apr. PPP LCP Send Configuration Request
00:54:12, 02 Apr. PPP LCP Receive Configuration ACK
00:54:11, 02 Apr. PPP LCP Send Configuration Request
00:54:08, 02 Apr. DSL Link Up: Down Rate=2848Kbps, Up Rate=448Kbps; SNR Margin Down=6.9dB, Up=16.0dB
00:53:34, 02 Apr. PPP LCP Send Termination Request (User request)
00:53:31, 02 Apr. PPP LCP Send Termination Request (User request)
00:53:31, 02 Apr. DSL Link Down: duration was 309552 seconds
00:53:30, 02 Apr. PPP LCP Send Configuration Request
00:53:29, 02 Apr. WAN connection ATM disconnected
00:53:21, 02 Apr. PPP LCP Send Termination Request (User request)
00:53:18, 02 Apr. PPP LCP Send Termination Request (Peer not responding)
21:17:51, 01 Apr. Receive a DHCP request
13:21:38, 01 Apr. admin login success from 192.168.1.190
As far as I can tell PPP LCP Send Termination Request (Peer not responding) means 6 contiguous echo packets sent by router to ISP HQ over backhaul have not been answered by ISP. Thus causing the router to take down the PPP session without retrain and start a new one. See below.
09:49:26, 29 Mar. NTP synchronization success
09:49:12, 29 Mar. NTP synchronization start
09:49:10, 29 Mar. WAN connection ATM connected
09:49:10, 29 Mar. PPP IPCP Receive Configuration ACK
09:49:10, 29 Mar. PPP IPCP Send Configuration Request
09:49:10, 29 Mar. PPP IPCP Receive Configuration NAK
09:49:09, 29 Mar. PPP IPCP Send Configuration Request
09:49:09, 29 Mar. PPP IPCP Receive Configuration Reject
09:49:09, 29 Mar. PPP IPCP Send Configuration ACK
09:49:09, 29 Mar. PPP IPCP Receive Configuration Request
09:49:09, 29 Mar. PPP IPCP Send Configuration Request
09:49:09, 29 Mar. PPP CHAP Receive success : authentication successful
09:49:08, 29 Mar. PPP CHAP Receive Challenge
09:49:08, 29 Mar. PPP LCP Send Configuration ACK
09:49:08, 29 Mar. PPP LCP Receive Configuration Request
09:49:08, 29 Mar. PPP LCP Receive Configuration ACK
09:49:08, 29 Mar. PPP LCP Send Configuration Request
09:49:05, 29 Mar. PPP LCP Receive Configuration ACK
09:49:04, 29 Mar. PPP LCP Send Configuration Request
09:49:01, 29 Mar. DSL Link Up: Down Rate=2112Kbps, Up Rate=448Kbps; SNR Margin Down=6.6dB, Up=15.0dB
09:48:23, 29 Mar. PPP LCP Send Termination Request (User request)
09:48:20, 29 Mar. PPP LCP Send Termination Request (User request)
09:48:19, 29 Mar. DSL Link Down: duration was 5344 seconds
09:48:19, 29 Mar. Restart Button Release
09:48:17, 29 Mar. PPP LCP Send Configuration Request
09:48:15, 29 Mar. Restart Button Press
09:48:14, 29 Mar. PPP LCP Send Configuration Request
09:48:13, 29 Mar. Restart Button Release
09:48:12, 29 Mar. Restart Button Press
09:48:11, 29 Mar. PPP LCP Send Configuration Request
09:48:08, 29 Mar. PPP LCP Send Configuration Request
09:47:34, 29 Mar. PPP LCP Send Configuration Request
09:47:31, 29 Mar. PPP LCP Send Configuration Request
09:47:28, 29 Mar. PPP LCP Send Configuration Request
09:47:25, 29 Mar. PPP LCP Send Configuration Request
09:47:22, 29 Mar. PPP LCP Send Configuration Request
09:47:18, 29 Mar. PPP LCP Send Configuration Request
09:47:15, 29 Mar. PPP LCP Send Configuration Request
09:47:12, 29 Mar. PPP LCP Send Configuration Request
09:47:09, 29 Mar. PPP LCP Send Configuration Request
09:47:06, 29 Mar. PPP LCP Send Configuration Request
09:46:32, 29 Mar. PPP LCP Send Configuration Request
09:46:29, 29 Mar. PPP LCP Send Configuration Request
09:46:26, 29 Mar. PPP LCP Send Configuration Request
09:46:23, 29 Mar. PPP LCP Send Configuration Request
09:46:19, 29 Mar. PPP LCP Send Configuration Request
09:46:16, 29 Mar. PPP LCP Send Configuration Request
09:46:13, 29 Mar. PPP LCP Send Configuration Request
09:46:10, 29 Mar. PPP LCP Send Configuration Request
09:46:07, 29 Mar. PPP LCP Send Configuration Request
09:46:04, 29 Mar. PPP LCP Send Configuration Request
09:45:30, 29 Mar. PPP LCP Send Configuration Request
09:45:27, 29 Mar. PPP LCP Send Configuration Request
09:45:24, 29 Mar. PPP LCP Send Configuration Request
09:45:21, 29 Mar. PPP LCP Send Configuration Request
09:45:18, 29 Mar. PPP LCP Send Configuration Request
09:45:15, 29 Mar. PPP LCP Send Configuration Request
09:45:11, 29 Mar. PPP LCP Send Configuration Request
09:45:08, 29 Mar. PPP LCP Send Configuration Request
09:45:05, 29 Mar. PPP LCP Send Configuration Request
09:45:02, 29 Mar. PPP LCP Send Configuration Request
09:45:01, 29 Mar. WAN connection ATM disconnected
09:44:51, 29 Mar. PPP LCP Send Termination Request (User request)
09:44:48, 29 Mar. PPP LCP Send Termination Request (Peer not responding)
09:40:58, 29 Mar. admin login success from 192.168.1.190
09:21:56, 29 Mar. admin login success from 192.168.1.190
09:00:14, 29 Mar. admin login success from 192.168.1.190
08:20:31, 29 Mar. CWMP: HDM socket closed successfully.
08:20:31, 29 Mar. CWMP: HTTP authentication success from pbthdm.x.x.x
08:20:31, 29 Mar. CWMP: HDM socket opened successfully.
08:20:31, 29 Mar. CWMP: session completed successfully
08:20:31, 29 Mar. CWMP: HDM socket closed successfully.
08:20:31, 29 Mar. CWMP: HTTP authentication success from pbthdm.x.x.x
08:20:30, 29 Mar. CWMP: HDM socket opened successfully.
08:20:30, 29 Mar. CWMP: HDM socket opened successfully.
08:20:27, 29 Mar. CWMP: Server URL:
https://pbthdm.x.x.x; Connecting as user: ACS username
08:20:27, 29 Mar. CWMP: Session start now, server: pbthdm.x.x.x, Event code:
08:20:27, 29 Mar. CWMP: Initializing transaction for event code 4 VALUE CHANGE
08:20:18, 29 Mar. CWMP: HDM socket closed successfully.
08:20:18, 29 Mar. CWMP: HTTP authentication success from pbthdm.x.x.x
08:20:18, 29 Mar. CWMP: HDM socket opened successfully.
08:20:17, 29 Mar. CWMP: session completed successfully
08:20:17, 29 Mar. CWMP: HDM socket closed successfully.
08:20:17, 29 Mar. CWMP: HTTP authentication success from pbthdm.x.x.x
08:20:16, 29 Mar. CWMP: HDM socket opened successfully.
08:20:16, 29 Mar. CWMP: HDM socket opened successfully.
08:20:13, 29 Mar. CWMP: Server URL:
https://pbthdm.x.x.x; Connecting as user: ACS username
08:20:13, 29 Mar. CWMP: Session start now, server: pbthdm.x.x.x, Event code:
08:20:13, 29 Mar. CWMP: Initializing transaction for event code 1 BOOT
08:19:39, 29 Mar. NTP synchronization success
08:19:25, 29 Mar. NTP synchronization start
08:19:23, 29 Mar. WAN connection ATM connected
08:19:23, 29 Mar. PPP IPCP Receive Configuration ACK
08:19:23, 29 Mar. PPP IPCP Send Configuration Request
08:19:23, 29 Mar. PPP IPCP Receive Configuration NAK
08:19:22, 29 Mar. PPP IPCP Send Configuration Request
08:19:22, 29 Mar. PPP IPCP Receive Configuration Reject
08:19:22, 29 Mar. PPP IPCP Send Configuration ACK
08:19:22, 29 Mar. PPP IPCP Receive Configuration Request
08:19:22, 29 Mar. PPP IPCP Send Configuration Request
08:19:22, 29 Mar. PPP CHAP Receive success : authentication successful
08:19:22, 29 Mar. PPP CHAP Receive Challenge
08:19:21, 29 Mar. PPP LCP Receive Configuration ACK
08:19:21, 29 Mar. PPP LCP Send Configuration ACK
08:19:21, 29 Mar. PPP LCP Receive Configuration Request
08:19:21, 29 Mar. PPP LCP Send Configuration Request
08:19:18, 29 Mar. PPP LCP Receive Configuration ACK
08:19:18, 29 Mar. PPP LCP Send Configuration Request
08:19:15, 29 Mar. DSL Link Up: Down Rate=2720Kbps, Up Rate=448Kbps; SNR Margin Down=6.2dB, Up=14.0dB
08:18:43, 29 Mar. PPP LCP Send Termination Request (User request)
08:18:40, 29 Mar. PPP LCP Send Termination Request (User request)
08:18:40, 29 Mar. DSL Link Down: duration was 20 seconds
08:18:37, 29 Mar. PPP IPCP Send Configuration Request
08:18:35, 29 Mar. 2.4G WiFi auto selected channel 1 Bandwidth:20M(Reason:boot)
08:18:34, 29 Mar. PPP IPCP Send Configuration Request
08:18:32, 29 Mar. 2.4G WiFi scan(Reason:boot)
08:18:31, 29 Mar. 5G WiFi auto selected channel 48 Bandwidth:40M(Reason:boot)
08:18:31, 29 Mar. PPP IPCP Send Configuration Request
08:18:31, 29 Mar. PPP IPCP Receive Configuration Reject
08:18:30, 29 Mar. PPP IPCP Send Configuration ACK
08:18:30, 29 Mar. PPP IPCP Receive Configuration Request
08:18:30, 29 Mar. PPP IPCP Send Configuration Request
08:18:30, 29 Mar. PPP CHAP Receive success : authentication successful
08:18:30, 29 Mar. PPP CHAP Receive Challenge
08:18:30, 29 Mar. PPP LCP Send Configuration ACK
08:18:29, 29 Mar. PPP LCP Receive Configuration Request
08:18:29, 29 Mar. PPP LCP Receive Configuration ACK
08:18:29, 29 Mar. PPP LCP Send Configuration Request
08:18:26, 29 Mar. PPP LCP Receive Configuration ACK
08:18:26, 29 Mar. PPP LCP Send Configuration Request
08:18:26, 29 Mar. 5G WiFi scan(Reason:boot)
08:18:20, 29 Mar. DSL Link Up: Down Rate=2720Kbps, Up Rate=448Kbps; SNR Margin Down=6.2dB, Up=15.0dB
08:18:09, 29 Mar. 5G WiFi auto selected channel 36 Bandwidth:40M(Reason:boot)
08:18:08, 29 Mar. Booting firmware v0.07.05.03230-BT (Fri Mar 23 19:56:07 2018)
08:18:08, 29 Mar. System start Button press (PowerButton)
08:18:04, 29 Mar. Device Connected: 192.168.1.190, 60:03:47:2e:cf:b4, unknown
08:18:02, 29 Mar. 5G WiFi scan(Reason:boot)
08:18:02, 29 Mar. DHCP Lease issued 192.168.1.190 to 60:03:47:2e:cf:b4 , lease duration is 86400 seconds
08:17:58, 29 Mar. Receive a DHCP request
08:17:56, 29 Mar. Receive a DHCP request
08:17:53, 29 Mar. Receive a DHCP request
08:17:50, 29 Mar. System up
08:17:46, 29 Mar. Wire Lan Port 2 up
08:17:35, 29 Mar. 2.4G WPS feature enabled
08:17:35, 29 Mar. 2.4G WPA/WPA2 mode selected
08:17:35, 29 Mar. 2.4G WiFi DOWN
08:17:35, 29 Mar. 5G WPS feature enabled
08:17:35, 29 Mar. 5G WPA2 mode selected
08:17:35, 29 Mar. 5G WiFi DOWN
08:17:34, 29 Mar. IPv6 Service: DHCP Server stop
08:17:34, 29 Mar. IPv6 Service: RA Server stop
08:16:09, 29 Mar. PPP LCP Receive Configuration ACK
08:16:09, 29 Mar. PPP LCP Send Configuration Request
08:16:06, 29 Mar. PPP LCP Send Configuration Request
08:16:02, 29 Mar. PPP LCP Send Configuration Request
08:15:59, 29 Mar. PPP LCP Send Configuration ACK
08:15:59, 29 Mar. PPP LCP Send Configuration Request
08:15:59, 29 Mar. PPP LCP Receive Configuration Request
08:15:31, 29 Mar. PPP LCP Receive Configuration ACK
08:15:31, 29 Mar. PPP LCP Send Configuration Request
08:15:28, 29 Mar. PPP LCP Send Configuration Request
08:15:25, 29 Mar. PPP LCP Send Configuration Request
08:15:25, 29 Mar. PPP LCP Send Configuration ACK
08:15:25, 29 Mar. PPP LCP Receive Configuration Request
08:15:22, 29 Mar. PPP LCP Send Configuration Request
08:14:48, 29 Mar. PPP LCP Send Termination Request (Peer not responding)
08:14:45, 29 Mar. PPP LCP Send Termination Request (Peer not responding)
08:13:25, 29 Mar. PPP LCP Receive Configuration ACK
08:13:25, 29 Mar. PPP LCP Send Configuration ACK
08:13:24, 29 Mar. PPP LCP Send Configuration Request
08:13:24, 29 Mar. PPP LCP Receive Configuration Request
08:13:13, 29 Mar. PPP LCP Receive Configuration ACK
08:13:13, 29 Mar. PPP LCP Send Configuration Request
08:13:10, 29 Mar. PPP LCP Send Configuration Request
08:13:07, 29 Mar. PPP LCP Send Configuration Request
08:13:03, 29 Mar. PPP LCP Send Configuration Request
08:13:00, 29 Mar. PPP LCP Send Configuration Request
08:12:57, 29 Mar. PPP LCP Send Configuration Request
08:12:54, 29 Mar. PPP LCP Send Configuration Request
08:12:51, 29 Mar. PPP LCP Send Configuration ACK
08:12:51, 29 Mar. PPP LCP Receive Configuration Request
08:12:51, 29 Mar. PPP LCP Send Configuration Request
08:12:48, 29 Mar. PPP LCP Send Configuration Request
08:12:14, 29 Mar. PPP LCP Send Configuration Request
08:12:11, 29 Mar. PPP LCP Send Configuration Request
08:12:08, 29 Mar. PPP LCP Send Configuration ACK
08:12:08, 29 Mar. PPP LCP Receive Configuration Request
08:12:08, 29 Mar. PPP LCP Send Configuration Request
08:12:05, 29 Mar. PPP LCP Send Configuration Request
08:12:02, 29 Mar. PPP LCP Send Configuration Request
08:11:59, 29 Mar. PPP LCP Send Configuration Request
08:11:56, 29 Mar. PPP LCP Send Configuration Request
08:11:52, 29 Mar. PPP LCP Send Configuration Request
08:11:49, 29 Mar. PPP LCP Send Configuration Request
08:11:46, 29 Mar. PPP LCP Send Configuration Request
08:11:43, 29 Mar. PPP LCP Receive Configuration ACK
08:11:43, 29 Mar. PPP LCP Send Configuration Request
08:11:40, 29 Mar. PPP LCP Send Configuration Request
08:11:39, 29 Mar. WAN connection ATM disconnected
08:11:33, 29 Mar. PPP LCP Receive Termination ACK
08:11:32, 29 Mar. PPP LCP Send Termination Request (Peer not responding)
06:46:31, 29 Mar. DoS(UDP Loopback): IN=ppp1 OUT= MAC= SRC=184.105.139.105 DST=86.140.164.55 LEN=29 TOS=0x00
Times 18:19:23 WAN to 09:49 is the clue to me. I am not pressing the restart button! Note BT HUB 4B ADSL(0) Max not 2+
Seams a very long time of no PPP session before retrain?
Will try to find better hub 6a example later maybe tomorrow.
Thanks for helping.
I may also still have a line fault or R.E.I.N. I'll explain later.
Ta.