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[FdjC]

Hi Folks,
been reading a lot on this forum, very informative and hopefully your expertise can point me in the right direction with an ongoing issue we seem to be having with our VDSL dropping out.

Happens during the day, but most are around 12.30am to 4am.
I've been keeping a log of disconnects and enabled USB logging in router as advised by Draytek support.

I've tried the ISP route (Zen) and Router support (Draytek) but problem still exists - our VDSL drops out randomly and then reconnects. No Openreach engineer yet been on site.
Obviously more noticeable at the moment with people working at home, or when gaming...
Think longest VDSL up time I have seen is about 71 hours, ironically with face plate on, cordless phone connected and original 10m shielded RJ11 cable.
Normally we get between a few hours to under 30 before it drops out again.


Current Router Hardware:
Draytek 2862ac
I really like the security and bundle of options available in the Draytek, its why we got the 2862ac.
(Same 10m RJ11 and face plate as below)

Original setup (12 months ago, no "known" disconnect issues):
Huawei HG612 3B (unlocked fw) going into a 2860n single band.
This was pretty rock solid as far as we knew but an absolute pain in the bum to pull proper line stats off (another reason why we wanted an all-in-one solution).
Could never get both Xbox Ones Open NAT, ping seemed about 10ms higher on speedtest.net (Would run tests randomly now and again)


Cabinet:
Huawei

Attempted Fixes:
 + Master Socket - no differences what so ever, disconnects and sync speed remain same as connected to face plate (Our face plate is fairly recent, around 2017 BT engineer installed a new one)
 + Various firmware versions on router since purchase Aug 2019, all latest 3.9.3 versions from their FTP site, including each modem code.
    NOTE =we also had some router crashes, debug details sent to Draytek, advised to try another firmware from their FTP site...
 + Ran quite line tests - line always passes, no crackling etc (except from "hum" or being a cordless phone)
 + Moved (and removed temporarily for a period) cordless handset base station from an internal extension to master socket (no difference but this did improve call quality on the phones)
 + Short RJ11's (We have a 10m shielded cable due to location of router (There was no difference noticed in sync speeds or SNR when we attempted this vs the shorter cables)
 + ISP requested profile reset as we were banded on approx 52mbps for a few weeks.
 + SNR Margin is default 6db, tried increased to both 9db and 13db but this dropped our connection far too much in speed, over 10Mbps to the 52Mbps we were on before profile reset. (see max attainable below)
 + Checking that "Hardware Acceleration" is turned off for WAN 1 (it says off but in GUI weirdly shows on sort of, see attached screenshot)



Things not yet tried:
 + Reinstalling the old HG612 (have 3x 3B models available, 1 unlocked)
        I wanted to avoid this, the reason we bought the Draytek 2862ac was that it was one device to handle everything, but looking like i may have to slide this back in...
        (Also means NAT issue on xboxes and slightly higher pings again probably)
 + Replacing face plate (same symptoms in Master socket anyway, don't believe this will help)
 + Removing internal extension wiring from back of face plate (no longer used since base station moved, same a above point though as happens on Master Socket)


Here is an example disconnect from earlier today (IP's removed and replaced with *)

Code: [Select]

<174>Apr 29 12:31:21 DrayTek: ADSL_Status:[Mode=17A States=SHOWTIME UpSpeed=19999000 DownSpeed=66998000 SNR=6 Atten=13 ]
<166>Apr 29 12:31:25 DrayTek: WAN1 PPPoE <== Protocol:LCP(c021) EchoReq Identifier:0x5A Magic Number: 0xda0f b1 1d ##
<166>Apr 29 12:31:25 DrayTek: WAN1 PPPoE ==> Protocol:LCP(c021) EchoRep Identifier:0x5A Magic Number: 0x0 00 00 ##
<166>Apr 29 12:31:27 DrayTek: statistic: WAN1: Tx 209 Kbps, Rx 1687 Kbps (5 min average)
<166>Apr 29 12:31:27 DrayTek: statistic: Session Usage: 414 (5 min average)
<158>Apr 29 12:31:46 DrayTek: PPP Closed : Remote Terminating (PPPoA)
<166>Apr 29 12:31:46 DrayTek: WAN1 PPPoE ==> Protocol:LCP(c021) TermReq Identifier:0x03  ##
<166>Apr 29 12:31:46 DrayTek: WAN 1 is down.
<166>Apr 29 12:31:47 DrayTek: DSL:  Modem Shut Down from ADSL Phy Layer (0)
<174>Apr 29 12:32:33 DrayTek: ADSL_Status:[Mode=----- States=TRAINING UpSpeed=19999000 DownSpeed=66998000 SNR=4 Atten=13 ]
<166>Apr 29 12:32:34 DrayTek: [DSL] G.Vectoring Status: OFF
<166>Apr 29 12:32:37 DrayTek: WAN1 PPPoE ==> V:1 T:1 PADT ID:5484
<166>Apr 29 12:32:37 DrayTek: WAN1 PPPoE ==> V:1 T:1 PADI ID:0
<166>Apr 29 12:32:43 DrayTek: WAN1 PPPoE ==> V:1 T:1 PADT ID:0
<166>Apr 29 12:32:55 DrayTek: WAN1 PPPoE ==> V:1 T:1 PADT ID:0
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== V:1 T:1 PADO ID:0
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> V:1 T:1 PADR ID:0
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== V:1 T:1 PADS ID:5559
<158>Apr 29 12:33:01 DrayTek: PPP Start (PPPoA)
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> Protocol:LCP(c021) ConfReq Identifier:0x00  MRU: 1500 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== Protocol:LCP(c021) ConfReq Identifier:0x42  MRU: 1500 Authentication Type: CHAP 05 Magic Number: 0x783097e ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> Protocol:LCP(c021) ConfAck Identifier:0x42  MRU: 1500 Authentication Type: CHAP 05 Magic Number: 0x783097e ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== Protocol:LCP(c021) ConfAck Identifier:0x00  MRU: 1500 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== Protocol:CHAP(c223) Challenge Identifier:0x01  39 8e 52 45 3c f2 72 d2 2e 00 87 68 94 1f 33 7d 94 e1 d8 ba 03 bf f6 28 bc 09 f8 ac 86 9d ef a8 ab c1 ed 67 b4 e0 b9 63 e0 42 4b f4 e0 7f f1 75 e0 ca 31 63 0b a7 8b 47 b0 04 61 63 63 2d 61 6c 6e.....
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> Protocol:CHAP(c223) Response Identifier:0x01  10 7d 63 71 df a4 41 1e 28 60 b5 82 36 ad 6d 80 bf 7a 65 6e 32 37 30 34 32 32 40 7a 65 6e ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== Protocol:LCP(c021) ConfReq Identifier:0x01  MRU: 1500 Authentication Type: CHAP 05 Magic Number: 0xc951e1f0 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> Protocol:LCP(c021) ConfReq Identifier:0x01  MRU: 1500 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> Protocol:LCP(c021) ConfAck Identifier:0x01  MRU: 1500 Authentication Type: CHAP 05 Magic Number: 0xc951e1f0 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== Protocol:LCP(c021) ConfAck Identifier:0x01  MRU: 1500 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE <== Protocol:CHAP(c223) Challenge Identifier:0x01  10 32 31 47 b7 ef d6 c8 ee 20 93 03 51 9c 73 74 a2 63 6f 72 32 2e 6c 6f 6e 64 31 ##
<166>Apr 29 12:33:01 DrayTek: WAN1 PPPoE ==> Protocol:CHAP(c223) Response Identifier:0x01  10 6e 1b e0 39 a8 61 2c a3 53 e6 1d 02 56 39 42 07 7a 65 6e 32 37 30 34 32 32 40 7a 65 6e ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE <== Protocol:CHAP(c223) Success Identifier:0x01 Authentication success,Welcome! ##
<158>Apr 29 12:33:02 DrayTek: CHAP Login OK (PPPoA)
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE ==> Protocol:IPCP(8021) ConfReq Identifier:0x00  Vendor Specific: 00 00 0c 01 00 00 00 00 IP Address: 0 0 0 0 Primary Domain Name Server: 0 0 0 0 Secondary Domain Name Server: 0 0 0 0 ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE <== Protocol:IPCP(8021) ConfReq Identifier:0x01  IP Address: * * * * ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE ==> Protocol:IPCP(8021) ConfAck Identifier:0x01  IP Address: * * * * ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE <== Protocol:IPCP(8021) ConfRej Identifier:0x00  Vendor Specific: 00 00 0c 01 00 00 00 00 ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE ==> Protocol:IPCP(8021) ConfReq Identifier:0x01  IP Address: 0 0 0 0 Primary Domain Name Server: 0 0 0 0 Secondary Domain Name Server: 0 0 0 0 ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE <== Protocol:IPCP(8021) ConfNak Identifier:0x01  IP Address: * * * * Primary Domain Name Server: 212 23 3 100 Secondary Domain Name Server: 212 23 6 100 ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE ==> Protocol:IPCP(8021) ConfReq Identifier:0x02  IP Address: * * * * Primary Domain Name Server: 212 23 3 100 Secondary Domain Name Server: 212 23 6 100 ##
<166>Apr 29 12:33:02 DrayTek: WAN1 PPPoE <== Protocol:IPCP(8021) ConfAck Identifier:0x02  IP Address: * * * * Primary Domain Name Server: 212 23 3 100 Secondary Domain Name Server: 212 23 6 100 ##
<158>Apr 29 12:33:02 DrayTek: IPCP Opening (PPPoA); Own IP Address : *.*.*.*  Peer IP Address : *.*.*.*; Primary DNS : 212.23.3.100  Secondary DNS : 212.23.6.100
<166>Apr 29 12:33:02 DrayTek: WAN 1 is up.

Line statistics:

Code: [Select]

> vdsl status

  ---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
   Running Mode            :      17A       State                : SHOWTIME
   DS Actual Rate          : 66998000 bps   US Actual Rate       : 19999000 bps
   DS Attainable Rate      : 75761304 bps   US Attainable Rate   : 33411000 bps
   DS Path Mode            :        Fast    US Path Mode         :        Fast
   DS Interleave Depth     :        1       US Interleave Depth  :        1
   NE Current Attenuation  :       13 dB    Cur SNR Margin       :        6  dB
   DS actual PSD           :    13. 3 dB    US actual PSD        :     6. 7  dB
   NE CRC Count            :        0       FE CRC Count         :    32625
   NE ES Count             :        0       FE  ES Count         :    30231
   Xdsl Reset Times        :        0       Xdsl Link  Times     :        2
   ITU Version[0]          : 00000000       ITU Version[1]       : 00000000
   VDSL Firmware Version   : 07-07-0C-07-01-07   [with Vectoring support]
   Power Management Mode   : DSL_G997_PMS_L0
   Test Mode               : DISABLE
  -------------------------------- ATU-C Info ---------------------------------
   Far Current Attenuation :       17 dB    Far SNR Margin       :       13  dB
   CO ITU Version[0]       : b5004244       CO ITU Version[1]    : 434da48c
   DSLAM CHIPSET VENDOR    : < BDCM >
> vdsl status more

  ---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
                      Near End                 Far End  Note
 Trellis      :      1                1
 Bitswap      :      1                1
 ReTxEnable       :      1                1
 VirtualNoise     :      0                0
 20BitSupport     :      0                0
 LatencyPath      :      0                0
 LOS          :      0                0
 LOF          :      0                0
 LPR          :      0                0
 LOM          :      0                0
 SosSuccess       :      0                0
 NCD          :      0                0
 LCD          :      0                0
 FECS          :      0             12099 (seconds)
 ES           :      0             30231 (seconds)
 SES          :      0               42 (seconds)
 LOSS          :      0                0 (seconds)
 UAS          :     43             21010 (seconds)
 HECError      :      0                0
 CRC          :      0             32625
 INP          :    230              215 (symbols)
 INTLVDelay       :      0               19 (1/100 ms)
 NFEC          :     32               32
 RFEC          :     16               16
 LSYMB          :     16               16
 INTLVBLOCK       :     32               32
 AELEM          :      0             ----
> 
My thoughts:
Reading what I've seen on this forum, Huawei cabinets don't seem to place nice with Draytek's, when they want to lower the SNR the Draytek goes...Nope...
I think this is whats causing our issue, wish had known that before purchase though.
Would this be accurate?

DSL:  Modem Shut Down from ADSL Phy Layer (0)
I'm not sure what this means but it appears each disconnect. Google isn't a great help

<174>Apr 29 12:32:33 DrayTek: ADSL_Status:[Mode=----- States=TRAINING UpSpeed=19999000 DownSpeed=66998000 SNR=4 Atten=13 ]
The SNR doesn't usually change, but in today's instance it did.

Questions
Is there a better modem we can purchase to put in front of the Draytek?
Or is there a good alternative Modem / Router for using with BDCM cabinets (ideally with similar security / feature set as the 2862ac)?

Any help or advice is greatly appreciated as I'm at wits end with this!

[Westie]

Welcome to the forum!

I'm sure someone far more knowledgeable than me will be along soon, but since I have no experience of Draytek I cannot help with your specific request.

However, you say the HG612 was

an absolute pain in the bum to pull proper line stats off (another reason why we wanted an all-in-one solution)

Did you try running the DSLstats program to extract your line stats? I (and several others here) run it on a Raspberry Pi, using a HG612 in modem (bridge) mode with a separate router of choice, and there is no problem with either stability or accessing stats.

Maybe an option to look at if you can't find a better solution...

[tiffy]

Very sound advice from Westie.

The only way you will get to the root cause of the issue on your line is to monitor the modem/router stat's, preferably on a 24/7 basis with a utility such as DSLStats.
I'am not familiar with your Draytek modem/router but I assume that it's chipset does not permit direct telnet collection of stat's as would be required with DSLStats utility ?

However, you state you have an unlocked Huawei HG-612 3B available which will certainly interface with DSLStats, this can be run on a PC or as Westie states on a Raspberry Pi, of course assuming your Draytek can be run in bridge mode and become router only.
Check the "Router Monitoring Software" forum section, there's lots of very good advice there on setting up RPi's to run DSLStats, I can point you to specific posts if you require.

I use a RPi 3B running DSLStats on my line, however, I also run two RPi ZW's on my son and daughters lines remotely monitored with VNC, they work very well, powered from USB sockets on respective modem/routers.
RPI ZW's cost around a tenner, don't even need a PSU for this application & software is free.
Obvious advantage of running DSLStats on a RPi, can leave running 24/7.

24/7 monitoring of line stats is probably a bit "geeky" but it certainly can be very useful when something goes wrong, see my recent post regarding a very strange fault on my line:
https://forum.kitz.co.uk/index.php/topic,24606.msg413899.html#msg413899

[tiffy]

After a bit of forum searching, this is likely the most informative post on stat's monitoring via a RPi..

https://forum.kitz.co.uk/index.php/topic,20672.msg360097.html#msg360097

Hope this helps.

[FdjC]

Sorry, haven't done anything yet as was yet again monitoring for a few days.

Just had the router crash again so exporting the debug now and will fire off another email to Draytek Support...

Having on luck at all.

UPDATE
Basically been told by Draytek to try my old setup (HG612 / 2830n), if this is stable, they will RMA the 2862.

Here is their response:

Code: [Select]

I did go through syslog again and first part it looks like these is some sort of connection loss before it gets to the router.

Apr 21 00:32:17 Wan WAN1 PPPoE <== Protocol:LCP(c021) EchoReq Identifier:0x86 Magic Number: 0xcb46 ae 07

Here the router is sending ecko request to keep connection alive

Apr 21 00:32:17 Wan WAN1 PPPoE ==> Protocol:LCP(c021) EchoRep Identifier:0x86 Magic Number: 0x0 00 00

Here is router is getting no response from the internet.

And than it gives statistics of the connection

Apr 21 00:32:17 Wan statistic: WAN1: Tx 268 Kbps, Rx 12713 Kbps (5 min average)

Apr 21 00:32:17 Wan statistic: Session Usage: 243 (5 min average)

Apr 21 00:32:30 Call PPP Closed : Remote Terminating (PPPoA)

Apr 21 00:32:30 Wan WAN1 PPPoE ==> Protocol:LCP(c021) TermReq Identifier:0x03

Than routers indicates that WAN is down.

Apr 21 00:32:30 Wan WAN 1 is down.

I do not think that is the router but you can try the supplied router with WAN2 and see if you disconnect.
You also try the router without any configuration.

If the other router works fine than I can send you an RMA test and repair.


UPDATE #2
Router and VDSl was up for just over 122 hours, longest it has been in some time.
VDSL dropped out at 122Hrs 35mins, reported this back to Draytek.
Within 24 hours of VDSL drop out, router rebooted yesterday but nothing in the debug, no crash reports, nothing.
Just the system uptime back to a few minutes and obviously people where using internet at that moment seen wifi and lan drop out.

Router again rebooted this morning about half an hour ago, got debug info this time and fired off to Draytek.
Been advised to try power adaptor from 2830n on the 2862ac to see if this remedies the "no error crash" we had yesterday.

There may be a bug in firmware 3.9.3 fro the 2862ac, it has since been removed from their website (still available on FTP site).
Have been informed they are working on a new release though, hence why I have not yet downgraded the firmware.

[FdjC]

Still having issues, have been in constant contact with Draytek.
Longest uptime without VDSL or router crash was 125~ hours... Anything else tends to be around the 24-100 hour mark.
Router is crashing without anything in debug (Sometimes does give a result though but that's maybe 25% of the time) and logs show nothing up other than it was reset and date/time reset/updated.

There is a problem with all 3.9.3 versions of firmware, they are aware of this. 3.9.4 is in testing but not yet released.
3.9.2 is available on their website as the "main" version now.
This may help others...

Anyways, Draytek are now looking to RMA the 2862ac router.
Going to have to setup the HG612 and 2830n today, fun.

Are there any better modems out there than the HG612?
Want to get the best out of our line.
Plan to move house in hear future but upon checking cabinets in the area, it appears they are all Huawei cabinets (as current cabinet is).