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Author Topic: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware  (Read 1860 times)

siofjofj

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #15 on: November 23, 2020, 07:04:39 AM »

siofjofj I have a VMG1312-B10A, just flashed the 1312-B10A-17-jumbo-v2.bin file however noticed there is no stats on it aka no mongoose server. Not sure if thats ment to be though. However will test the current firmware to see if any issues occur wih the 1312-B10A-17-jumbo-v2.bin firmware.
GigabitEthernet didn't want the stats server so I didn't include it in that build, however I did a different build for Weaver which does include it. I haven't posted the link to the one I built for Weaver publicly (I just emailed it to him) as I can't test it myself and don't want large numbers of people bricking their routers if it turns out to be a dud (the other one has been tested by GigabitEthernet so I know it's OK). That said, if you're happy to take the risk I'm happy to PM you the link too.
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Weaver

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #16 on: November 23, 2020, 12:25:18 PM »

Ah, good to know. I wanted all the side order of ‘fries’ and onion rings and everything.
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hacktrix2006

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #17 on: November 23, 2020, 02:40:03 PM »

@siofjofj , I understand the risk, nothing my SPI programmer can't sort if it goes south. Not only that might give me an excuse to get a new modem as well but I'll have to make up my mind as I have two in mind one being content 3030/3031u or the zyxtel VMG4005-B50B.

@weaver you a dam legend mate loved your reply.

burakkucat

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #18 on: November 23, 2020, 06:33:53 PM »

. . . I'll have to make up my mind as I have two in mind one being content 3030/3031u or the zyxtel VMG4005-B50B.

Hmm . . . Comtrend VR-3030/VR-3031U or ZyXEL VMG4005-B50B, possibly? It looks as if the autocorrect has had a "funny-fit".
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hacktrix2006

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #19 on: November 23, 2020, 07:19:52 PM »

Hmm . . . Comtrend VR-3030/VR-3031U or ZyXEL VMG4005-B50B, possibly? It looks as if the autocorrect has had a "funny-fit".

Yes my phone's auto correct loves to troll me all the time yes I ment comtrend.

burakkucat

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #20 on: November 23, 2020, 10:28:15 PM »

Yes my phone's auto correct loves to troll me all the time yes I ment comtrend.

But no harm has been done.  :)
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siofjofj

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #21 on: November 24, 2020, 08:33:34 AM »

Just a quick update. The firmware I originally built for Weaver has now been tested to boot by hacktrix2006, so I'll now make the download link public: The VMG1312-B10A 1.00(AAJZ.17)C0 firmware with the A2pv6F039v2 DSL firmware and all of johnson's modifications (stats server, jumbo frames, multiple telnet sessions and custom startup commands) is available here https://www.dropbox.com/s/pdd7htdu16eudp8/1312-B10A-17-jumbo-tel-v2-stats1.1-cmd.bin?dl=0.
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Weaver

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #22 on: November 24, 2020, 09:48:03 AM »

Thanks to hacktrix2006 as I still haven’t been well enough to flash a modem yet. Hitting the painkillers again.
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siofjofj

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #23 on: December 18, 2020, 02:21:37 PM »

Just to add to this, my new VDSL2 connection, for which the BT Wholesale broadband checker reports clean speed estimates 56.8 - 40 Mbps download and 11.0 - 7.7 Mbps upload, has the following stats:
Code: [Select]
Stats recorded 18 Dec 2020 12:09:53

DSLAM type / SW version: BDCM:0xc190 (193.144) / v0xc190
Modem/router firmware:  AnnexA version - A2pv6F039v2.d26a
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  15 hours 33 min 23 sec
Resyncs:                0 (since 18 Dec 2020 12:09:49)

Downstream Upstream
Line attenuation (dB):  21.3 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 40000 9997
SNR margin (dB):        13.4 6.7
Power (dBm):            11.9 7.4
Interleave depth:        16 1
INP:                    45.00 0
G.INP:                  Enabled Not enabled
Vectoring status:        1 (VECT_FULL)

RSCorr/RS (%):          0.0001 0.0025
RSUnCorr/RS (%):        0.0000 0.0000
ES/hour:                0 0
As you can see, I have vectoring and am using the A2pv6F039v2 DSL firmware on my Zyxel VMG8924-B10A. I have none of the sync speed halving (if this was happening I'd expect to see perhaps 30 Mbps on my 40 Mbps capped connection (I only subscribe to the 40/10 product) as the maximum predicted speed is 56.8 Mbps and my reported max attainable speed is 60.5 Mbps) or other strange behaviour that is observed for the A2pv6F039v firmware. This means I now join GigabitEthernet in having success with the Openreach approved v2 DSL firmware on a vectoring enabled circuit.

Also of note is that I have INP = 45 and INPRein = 0, suggesting RetX low unlike GigabitEthernet here https://forum.kitz.co.uk/index.php/topic,22086.msg426585.html#msg426585 who can't get rid of RetX high (though this may be because of my 40/10 cap).
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Alex Atkin UK

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #24 on: December 18, 2020, 04:12:43 PM »

Looks like you were provisioned on a 40/10 connection by the ISP.
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siofjofj

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #25 on: December 18, 2020, 04:23:53 PM »

Looks like you were provisioned on a 40/10 connection by the ISP.
Indeed, although this was by choice as I only ordered the 40/10 product since my previous ADSL2+ 19/1.2 connection was perfectly adequate for my needs in my old house. I chose VDSL in my new place as the telephone exchange is in the next village, so I'd only get 6/0.8 on ADSL2.
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GigabitEthernet

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #26 on: December 18, 2020, 04:24:19 PM »

Just to add to this, my new VDSL2 connection, for which the BT Wholesale broadband checker reports clean speed estimates 56.8 - 40 Mbps download and 11.0 - 7.7 Mbps upload, has the following stats:
Code: [Select]
Stats recorded 18 Dec 2020 12:09:53

DSLAM type / SW version: BDCM:0xc190 (193.144) / v0xc190
Modem/router firmware:  AnnexA version - A2pv6F039v2.d26a
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  15 hours 33 min 23 sec
Resyncs:                0 (since 18 Dec 2020 12:09:49)

Downstream Upstream
Line attenuation (dB):  21.3 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 40000 9997
SNR margin (dB):        13.4 6.7
Power (dBm):            11.9 7.4
Interleave depth:        16 1
INP:                    45.00 0
G.INP:                  Enabled Not enabled
Vectoring status:        1 (VECT_FULL)

RSCorr/RS (%):          0.0001 0.0025
RSUnCorr/RS (%):        0.0000 0.0000
ES/hour:                0 0
As you can see, I have vectoring and am using the A2pv6F039v2 DSL firmware on my Zyxel VMG8924-B10A. I have none of the sync speed halving (if this was happening I'd expect to see perhaps 30 Mbps on my 40 Mbps capped connection (I only subscribe to the 40/10 product) as the maximum predicted speed is 56.8 Mbps and my reported max attainable speed is 60.5 Mbps) or other strange behaviour that is observed for the A2pv6F039v firmware. This means I now join GigabitEthernet in having success with the Openreach approved v2 DSL firmware on a vectoring enabled circuit.

Also of note is that I have INP = 45 and INPRein = 0, suggesting RetX low unlike GigabitEthernet here https://forum.kitz.co.uk/index.php/topic,22086.msg426585.html#msg426585 who can't get rid of RetX high (though this may be because of my 40/10 cap).

What are your FECs looking like? I am convinced that is the cause of why I can't shake it off here.
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siofjofj

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #27 on: December 18, 2020, 04:30:24 PM »

What are your FECs looking like? I am convinced that is the cause of why I can't shake it off here.
My line only got activated 20 hours ago, but in that time I have had 1853 downstream FECs and 120 upstream FECs.
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GigabitEthernet

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #28 on: December 18, 2020, 04:31:43 PM »

My line only got activated 20 hours ago, but in that time I have had 1853 downstream FECs and 120 upstream FECs.

Yeah you'll be fine then, I get millions a day.
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siofjofj

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Re: Zyxel VMG1312-B10A with vectoring resyncing at half speed, WITH X6 firmware
« Reply #29 on: December 18, 2020, 04:35:26 PM »

Yeah you'll be fine then, I get millions a day.
Interesting, I wonder why. Did your attempts at sync capping in the other thread noticeably reduce the FEC count?

Something I have noticed though is I get a slight drop (by 1.0 dB) in downstream SNRM and one single upstream CRC error occurs each time I pick up the phone, then the SNRM returns to normal and a second CRC occurs upon hanging up. This is not causing me any issues so I will not be doing anything about it, but I'm just wondering if this is normal on VDSL2? I'm using a known good (on my old ADSL2+ line anyway) VDSL Mk3 faceplate for filtering. Perhaps if I ever upgrade to the 80/20 product and end up running at 3 dB target SNRM it might cause a problem as I'd then be dropping from 3 dB to 2 dB instead of 13.4 dB to 12.4 dB?
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