Connection dropping frequently
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Connection dropping frequently
on 07-10-2020 11:05 PM - last edited on 08-10-2020 9:35 AM by dvorak
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I've notice that my line seems to drop several times a week (usually at an inconvenient time - or maybe that's just when I notice it more!!!)
I've just been looking at my router logs, and I'm wondering if my line is also dropping too often:
- 16:41:28, 17 Sep. (5759488.210000) PTM over DSL is down after 3519 minutes uptime
- 10:04:18, 21 Sep. (6081251.820000) PTM over DSL is down after 5362 minutes uptime
- 02:55:00, 23 Sep. (6228290.470000) PTM over DSL is down after 2450 minutes uptime
- 11:45:01, 25 Sep. (6432889.100000) PTM over DSL is down after 3409 minutes uptime
- 12:12:53, 25 Sep. (6434561.140000) PTM over DSL is down after 27 minutes uptime
- 10:00:30, 03 Oct. (7117804.550000) PTM over DSL is down after 11386 minutes uptime
- 15:42:18, 07 Oct. (7483904.200000) PTM over DSL is down after 6101 minutes uptime
(I chose those lines as they are nice & short!!! more complete logs available if you need them)... so I'm going offline typically every 2 days or so
Also interesting is that over that period the logs have reported a gently increasing line speed
- 17 Sept: Down Rate=70944Kbps, Up Rate=15273Kbps; SNR Margin Down=3.1dB, Up=6.1dB
- 7 Oct: Down Rate=71550Kbps, Up Rate=16046Kbps; SNR Margin Down=3.1dB, Up=6.0dB
Can someone at PlusNet please check my stats, see if there's any obvious reason?
Moderators Note: topic title changed
Re: Connection dropping frequently
08-10-2020 9:37 AM
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Moderators Note
This topic has been split from another thread for better visibility and to keep unrelated issues separate.
If it helped click the thumb
If it fixed it click 'This fixed my problem'
Re: Connection dropping frequently
08-10-2020 1:47 PM
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More generally, a question: I appreciate that the line DOES need to occasionally need to re-sync, but (and I'm talking about a line that's been in for several years here) how often should we expect to see the line re-syncing?
Re: Connection dropping frequently
09-10-2020 6:24 PM
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@bobpullen - I've seen you doing a bit of digging into peoples line dropping issues: any chance you can comment on mine?
Re: Connection dropping frequently
20-11-2020 11:16 AM
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So, I've been looking at, and copying, my router logs for the last 2 months, and have details of all re-syncs.
This is a summary:
16:41:28, 17 Sep. (5759488.210000) PTM over DSL is down after 3519 minutes uptime
10:04:18, 21 Sep. (6081251.820000) PTM over DSL is down after 5362 minutes uptime
02:55:00, 23 Sep. (6228290.470000) PTM over DSL is down after 2450 minutes uptime
11:45:01, 25 Sep. (6432889.100000) PTM over DSL is down after 3409 minutes uptime
12:12:53, 25 Sep. (6434561.140000) PTM over DSL is down after 27 minutes uptime
10:00:30, 03 Oct. (7117804.550000) PTM over DSL is down after 11386 minutes uptime
15:42:18, 07 Oct. (7483904.200000) PTM over DSL is down after 6101 minutes uptime
10:10:25, 13 Oct. (7982382.830000) PTM over DSL is down after 8307 minutes uptime
07:40:43, 18 Oct. (8405392.150000) PTM over DSL is down after 7049 minutes uptime
07:45:43, 18 Oct. (8405691.690000) PPPoE is down after 3 minutes uptime [Disconnected]
12:02:56, 26 Oct. (9112312.070000) PTM over DSL is down after 11781 minutes uptime
11:08:42, 03 Nov. (9800243.500000) PTM over DSL is down after 6264 minutes uptime
11:06:13, 10 Nov. (10404883.960000) PTM over DSL is down after 10076 minutes uptime
11:24:26, 11 Nov. (10492374.800000) PTM over DSL is down after 1457 minutes uptime
04:35:42, 16 Nov. (10899842.200000) PTM over DSL is down after 944 minutes uptime
So that's 17 resyncs in a 2 month period, so about every 3.5 to 4 days.
And, just in case you're interested, each of the above events looks like this:
12:52:21, 15 Nov. (10843243.330000) CWMP: session completed successfully
12:52:20, 15 Nov. (10843242.910000) CWMP: HTTP authentication success from https://pbthdm.bt.mo
12:52:12, 15 Nov. (10843234.910000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
12:52:12, 15 Nov. (10843234.910000) CWMP: Session start now. Event code(s): '4 VALUE CHANGE'
12:52:10, 15 Nov. (10843232.670000) WAN operating mode is VDSL
12:52:10, 15 Nov. (10843232.670000) Last WAN operating mode was VDSL
12:52:08, 15 Nov. (10843231.030000) PPP IPCP Receive Configuration ACK
12:52:08, 15 Nov. (10843230.840000) PPP IPCP Send Configuration Request
12:52:08, 15 Nov. (10843230.830000) PPP IPCP Receive Configuration NAK
12:52:08, 15 Nov. (10843230.830000) PPP IPCP Send Configuration ACK
12:52:08, 15 Nov. (10843230.830000) PPP IPCP Receive Configuration Request
12:52:08, 15 Nov. (10843230.820000) PPP IPCP Send Configuration Request
12:52:07, 15 Nov. (10843229.370000) PPPoE is up -? Down Rate=73221Kbps, Up Rate=16505Kbps; SNR Margin Down=3.1dB, Up=6.0dB
12:52:07, 15 Nov. (10843229.360000) CHAP authentication successful
12:52:07, 15 Nov. (10843229.240000) CHAP Receive Challenge
12:52:07, 15 Nov. (10843229.240000) Starting CHAP authentication with peer
12:52:07, 15 Nov. (10843229.240000) PPP LCP Receive Configuration ACK
12:52:07, 15 Nov. (10843229.230000) PPP LCP Send Configuration ACK
12:52:07, 15 Nov. (10843229.230000) PPP LCP Send Configuration Request
12:52:07, 15 Nov. (10843229.220000) PPP LCP Receive Configuration Request
12:52:07, 15 Nov. (10843229.130000) CHAP Receive Challenge
12:52:07, 15 Nov. (10843229.130000) Starting CHAP authentication with peer
12:52:07, 15 Nov. (10843229.130000) PPP LCP Receive Configuration ACK
12:52:07, 15 Nov. (10843229.120000) PPP LCP Send Configuration Request
12:52:07, 15 Nov. (10843229.120000) PPP LCP Receive Configuration Reject
12:52:07, 15 Nov. (10843229.120000) PPP LCP Send Configuration ACK
12:52:07, 15 Nov. (10843229.120000) PPP LCP Receive Configuration Request
12:52:07, 15 Nov. (10843229.110000) PPP LCP Send Configuration Request
12:51:15, 15 Nov. (10843177.830000) PTM over DSL is up
12:51:13, 15 Nov. (10843175.740000) CWMP: session closed due to error: Could not resolve host
12:51:13, 15 Nov. (10843175.730000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
12:51:13, 15 Nov. (10843175.720000) CWMP: Session start now. Event code(s): '4 VALUE CHANGE'
12:50:43, 15 Nov. (10843145.350000) CWMP: session closed due to error: Could not resolve host
12:50:43, 15 Nov. (10843145.310000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
12:50:43, 15 Nov. (10843145.310000) CWMP: Session start now. Event code(s): '4 VALUE CHANGE'
12:50:42, 15 Nov. (10843144.920000) CWMP: Initializing transaction for event code 4 VALUE CHANGE
12:50:40, 15 Nov. (10843142.690000) PTM over DSL is down after 5845 minutes uptime
12:50:40, 15 Nov. (10843142.690000) PPPoE is down after 5844 minutes uptime [Waiting for Underlying Connection (WAN Ethernet 2 -? Down)]
12:50:37, 15 Nov. (10843139.520000) PPP LCP Send Termination Request [User request]
Re: Connection dropping frequently
05-02-2021 6:18 PM
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So, back in December, I was asked by Plusnet Support to plug my router into the test socket: that was easy, as there was no extension wiring connected to the faceplate anyway (it was all connected behind the single ADSL filter), and made no real difference.
I kept a log of my router re-syncs (copied from the router logs), and I was re-syncing on average every 2 to 4 days.... so fed that information back to Plusnet Support.
Had a nice phone call from Plusnet Support earlier today: yes, he agreed, my FTTC broadband should not be re-syncing that often. They had tested my line, and that was fine (BT had re-terminated all my joints about 5 to 10 years ago, after major line issues, so that wasn't a big surprise). So, they will send me a new router (mine is now a few years old) to see if that fixes things.
Watch this space!
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