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Author Topic: Switched to Talktalk FTTC, constant disconnections.  (Read 8378 times)

Adam86

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Switched to Talktalk FTTC, constant disconnections.
« on: February 22, 2017, 11:08:17 PM »

Good evening,

Today my parent in laws have switched from Sky Broadband and taken their phone services over to Talktalk and taken out the 40/2 package.

The number transfered over early this morning and the cabinet work was completed at approx 3pm and we plugged in the supplied HG633 router, since doing that, as soon as you try using the connection it just drops constantly and reconnects.  Online chat told me that the line is apparently setting down but I have never seen it to this extreme before! Each time it reconnects, the sync speed has always remained the same.   I would have expected this to lower if this was a stability issue.  I'm attaching the logs and the modem stats that I can obtain from the HG633 they provide.   Hopefully at the weekend I will go and swap this out for an ECI modem I have going spare as well as a proper router.

I just wondered if anyone can spot anything out of the ordinary in the stats? I'd really appreciate it.

Modem Stats:
Code: [Select]
DSL synchronization status:                 Up
Connection status:                    Showtime
Upstream line rate (kbit/s):              2000
Downstream line rate (kbit/s):           39997
Maximum upstream rate (kbit/s):          10403
Maximum downstream rate (kbit/s):        47380
Upstream noise safety coefficient (dB):   15.2
Downstream noise safety coefficient (dB):  8.2
Upstream interleave depth:                   1
Downstream interleave depth:                 1
Line standard:                           VDSL2
Upstream line attenuation (dB):              6
Downstream line attenuation (dB):         16.8
Upstream output power (dBm):               4.9
Downstream output power (dBm):             9.6
Channel type:                             Fast
DSL up-time: 0 days 0 hours 1 minute 0 seconds

Syslog:
Code: [Select]
Manufacturer:Huawei Technologies Co., Ltd.
Product Style:HG633
Serial Number:C4R8W16919004948
Hardware Version:H.1.01
Software Version:v1.15t
2017-02-22 22:58:45 User Level Notice User admin login from 192.168.3.2 successfully.
2017-02-22 22:58:43 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:58:43 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:58:42 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:58:42 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:58:36 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:58:33 System Notice DSL connection is active.
2017-02-22 22:58:03 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:58:03 System Notice DSL connection is inactive.
2017-02-22 22:57:45 User Level Notice User admin login from 192.168.3.2 successfully.
2017-02-22 22:57:11 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:57:11 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:57:10 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:57:10 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:57:04 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:57:01 System Notice DSL connection is active.
2017-02-22 22:56:35 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:56:35 System Notice DSL connection is inactive.
2017-02-22 22:55:17 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:55:16 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:55:16 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:55:16 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:55:10 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:55:06 System Notice DSL connection is active.
2017-02-22 22:54:36 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:54:36 System Notice DSL connection is inactive.
2017-02-22 22:53:38 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:53:38 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:53:37 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:53:37 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:53:31 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:53:28 System Notice DSL connection is active.
2017-02-22 22:52:57 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:52:57 System Notice DSL connection is inactive.
2017-02-22 22:51:46 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:51:46 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:51:45 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:51:45 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:51:39 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:51:35 System Notice DSL connection is active.
2017-02-22 22:51:05 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:51:05 System Notice DSL connection is inactive.
2017-02-22 22:50:07 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:50:07 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:50:06 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:50:06 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:50:00 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:49:57 System Notice DSL connection is active.
2017-02-22 22:49:28 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:49:28 System Notice DSL connection is inactive.
2017-02-22 22:48:33 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:48:33 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:48:32 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:48:32 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:48:26 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:48:22 System Notice DSL connection is active.
2017-02-22 22:47:52 System Notice DSL connection is inactive.
2017-02-22 22:47:38 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:47:38 System Notice DSL connection is inactive.
2017-02-22 22:47:14 Security Warning DROP TCP SAMBA Request
2017-02-22 22:31:34 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:31:34 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:31:33 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:31:33 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:31:27 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:31:24 System Notice DSL connection is active.
2017-02-22 22:30:53 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:30:53 System Notice DSL connection is inactive.
2017-02-22 22:30:05 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:30:05 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:30:04 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:30:04 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:29:58 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:29:55 System Notice DSL connection is active.
2017-02-22 22:29:26 System Notice DSL connection is inactive.
2017-02-22 22:29:11 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:29:11 System Notice DSL connection is inactive.
2017-02-22 22:28:31 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:28:31 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:28:30 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:28:30 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:28:24 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:28:21 System Notice DSL connection is active.
2017-02-22 22:27:51 System Notice DSL connection is inactive.
2017-02-22 22:27:40 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:27:40 System Notice DSL connection is inactive.
2017-02-22 22:26:25 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:26:25 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:26:24 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:26:24 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:26:18 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:26:15 System Notice DSL connection is active.
2017-02-22 22:25:45 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 disconnected.(ERROR_NO_CARRIER)
2017-02-22 22:25:45 System Notice DSL connection is inactive.
2017-02-22 22:24:29 User Level Notice CWMP:Cwmp post inform success.
2017-02-22 22:24:29 User Level Notice CWMP or STUN parameter be changed.
2017-02-22 22:24:28 User Level Notice CWMP inform message: parameter change.
2017-02-22 22:24:28 User Level Notice CWMP inform message: event: 4 VALUE CHANGE.
2017-02-22 22:24:22 System Notice WAN connection INTERNET_TR069_R_VID_101:IPv4 connected.
2017-02-22 22:24:19 System Notice DSL connection is active.

Thanks

[Moderator edited to reformat the "Modem Stats" code block.]
« Last Edit: February 22, 2017, 11:30:30 PM by burakkucat »
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NewtronStar

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #1 on: February 22, 2017, 11:22:28 PM »

The number transfered over early this morning and the cabinet work was completed at approx 3pm

Could you expand on this cabinet work that was completed at 3pm?
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Adam86

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #2 on: February 22, 2017, 11:31:28 PM »

Sorry I just mean the usual part Openreach do up at the cabinet to connect your line into the FTTC side of things?   Sorry that's probably not the correct terminology.   No Openreach engineer physically came to the house but I understand that they still carry out a process in the Exchange as well as the cabinet? They've never had any FTTC service before always just had ADSL with Sky previously.

Thanks
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NewtronStar

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #3 on: February 22, 2017, 11:40:08 PM »

when was the activation date as it can take up to midnight on that day to become active
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burakkucat

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #4 on: February 22, 2017, 11:44:26 PM »

The "Modem Stats" show nothing untoward. (I've just reformatted the code block to make it easier to read.)

The "Syslog", however, clearly tells us that it is the TalkTalk TR-069 process that is causing the WAN xDSL link to drop and then re-establish. Why? All it states is "ERROR_NO_CARRIER". Not very helpful.

I'll suggest that your in-laws give it 24 hours -- it might "settle" -- and if the "establish xDSL link / drop xDSL link" cycle still persists, then TalkTalk will need to check exactly what their CWMP / TR-069 process is attempting.
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burakkucat

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #5 on: February 22, 2017, 11:52:06 PM »

when was the activation date as it can take up to midnight on that day to become active

I think you are probably correct.  :)

The CWMP / TR-069 process is attempting to configure the modem/router but the database details do not yet show that the circuit is live. Hence the constant cycle, waiting for some TalkTalk entity (human or automaton) to "press the button".
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Adam86

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #6 on: February 23, 2017, 06:40:53 AM »

Cheers for these useful responses.

Yes the activation date was yesterday, and as you say it did say up to midnight in the original emails.  An automated email fired through about 3.30pm yesterday saying everything was complete and that TalkTalk Fibre was ready to use right away - but it does make sense with you saying that database details may not be up to date.

Just checked it right now this morning and its exactly the same, however the router has managed to update its firmware to 1.21 at some point in the night.

Suppose will just see what happens during the day today and see if it starts working as it should.

Cheers :-/
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burakkucat

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #7 on: February 23, 2017, 10:32:30 PM »

. . . however the router has managed to update its firmware to 1.21 at some point in the night.

So we now know that the modem/router managed to establish a stable connection with the ACS, to be able to perform the firmware update.

Hopefully all is now good.
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Adam86

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #8 on: February 24, 2017, 06:55:46 AM »

Morning burakkucat,

I'm afraid not, the situation is no different at all.  I think the longest I've seen a connection sustained for is approx 15 minutes, other than that it is just constantly dropping and reconnecting.

Interestingly enough the sync speed has remained at 39997/2000 throughout, I was always under the assumption that if the connection was as flaky as it is, that the sync rate would keep dropping.

I spoke to tech support on the phone yesterday, they wouldn't do anything about it and insisted to monitor it for another 24 hours.  I did a post on the TalkTalk Community instead to which one of the officials has responded.  He said he could see the connection is unstable and asked how the phone service was so I tested that out and it did sound nice and clear to me.  However I must admit when I was calling that landline and getting the person to speak at the other end, there was some breakage in their voice, however there didn't appear to be any noise.

Will be calling into the parent in laws at the weekend so I'll be trying the spare ECI modem and a decent router and seeing what happens then.  Other than that, it could be an engineer visit I suppose :-/

EDIT:

Well i'll be damned, don't want to speak too soon but the modem has managed to retain a sync for almost 2.5 hours since posting this last reply.  Haven't heard anything from TalkTalk yet so not sure if they have identified something wrong but so far things maybe looking more promising.

Code: [Select]
DSL synchronization status:Up
Connection status:Showtime
Upstream line rate (kbit/s):2000
Downstream line rate (kbit/s):39997
Maximum upstream rate (kbit/s):9395
Maximum downstream rate (kbit/s):50832
Upstream noise safety coefficient (dB):13.8
Downstream noise safety coefficient (dB):7.9
Upstream interleave depth:1
Downstream interleave depth:1
Line standard:VDSL2
Upstream line attenuation (dB):6
Downstream line attenuation (dB):16.9
Upstream output power (dBm):4.8
Downstream output power (dBm):13.1
Channel type:Fast
DSL up-time:0 days 2 hours 23 minutes 13 seconds
« Last Edit: February 24, 2017, 09:21:41 AM by Adam86 »
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burakkucat

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #9 on: February 24, 2017, 03:58:00 PM »

Hmm . . . Very puzzling.  :-\

I'll recommend that you follow TalkTalk's suggestion and continue to monitor the service.

For posterity, please update this thread with details of any changes, when your time permits.
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NewtronStar

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #10 on: February 24, 2017, 06:40:52 PM »

The sync rate will stay steady over 48 hours even with many disconnections because the line is on the DLM open profile stage, any changes of sync may occur on the 3rd day when the DLM then takes control over this line.

I do hope the modem now stays in sync to the MSAN or there could be trouble ahead.
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Adam86

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #11 on: February 24, 2017, 07:05:48 PM »

Thanks for the responses both, TalkTalk responded to me about 3:30PM advising that their networks team have logged the fault over to BT Openreach for more investigation.  He said the line test is showing a lot of errors but not as bad as yesterday.

Funnily enough, around 5 minutes around the time the TalkTalk guy posted that update to me, the modem lost it's sync again and we gave it a good 10 minutes and as it didn't come back by itself so power cycled the router and it has came back to life again, although this time is now running interleaved rather than fastpath :-/

Is there something that TalkTalk or even Openreach could have done at that time that could have triggered the disconnect?

Cheers
« Last Edit: February 24, 2017, 11:47:44 PM by Adam86 »
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NewtronStar

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #12 on: February 25, 2017, 01:05:11 AM »

Is there something that TalkTalk or even Openreach could have done at that time that could have triggered the disconnect?

Very much doubt it was them as your now into the third 3 day of activation and the DLM has gathered the results during this open profile of two days and has taken action, if you have loads of errored seconds then yeah interleaving will be used as the preferred error correction tool.

But frequent disconnection's are more serious and if left untreated this can cause the DLM to band that line in a few weeks time.
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Adam86

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #13 on: February 27, 2017, 02:14:26 PM »

Just thought I'd give you all an update.

TalkTalk contact me this morning to say Openreach couldnt find any issues.  The internet has been pretty stable since I last posted, it resynced first thing Saturday morning approx 35000kbps downastream with an interleave depth of around 3000.  This morning we had another resync and the rate has gone back up to 39888kbps with a lower interleave depth.

Suppose we will just keep an eye on it I guess, but absolutely no idea why it wasnt working for 48 hours.  Hopefully the line will switch back to fastpath?

Here are the current stats:

Code: [Select]
Connection status:Showtime
Upstream line rate (kbit/s):2000
Downstream line rate (kbit/s):39888
Maximum upstream rate (kbit/s):6862
Maximum downstream rate (kbit/s):52480
Upstream noise safety coefficient (dB):12
Downstream noise safety coefficient (dB):7.3
Upstream interleave depth:1
Downstream interleave depth:2309
Line standard:VDSL2
Upstream line attenuation (dB):6
Downstream line attenuation (dB):16.8
Upstream output power (dBm):5
Downstream output power (dBm):11
Channel type:Interleaved
DSL up-time:0 days 6 hours 1 minute 36 seconds
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burakkucat

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Re: Switched to Talktalk FTTC, constant disconnections.
« Reply #14 on: February 27, 2017, 05:33:36 PM »

The circuit is now operating essentially at its product limit of 40/2 Mbps DS/US and with only the DS interleaved. All the data you have now posted is looking good. :)

It is my suspicion that the initial "yo-yo" problem was a direct result of the TalkTalk back office failing to promptly "push the button" once the required cabinet jumpering was completed, along with the need for the modem/router's firmware to be updated.
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