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Author Topic: HG612 Firmwares [New H-Wolf version] (Updated 9 Aug 2014)  (Read 312464 times)

Chrysalis

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #90 on: September 02, 2014, 10:29:33 AM »

I have no ptm1.301 confirmed.

The connection name for tr069 is blank.
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plexy

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #91 on: September 02, 2014, 09:47:24 PM »

Noticed something with the GUI and telnet session.

GUI: The 'uptime' counter (WAN->xDSL) has stopped working
Telnet: Once changing the password for the GUI, I need to use that new password to log into the GUI. But telnet remains as admin/admin. Is there something else I must do in telnet to change the password there?

Out of interest BE, why would the new binary have such a significant (positive) impact on the U/S SNRM? Is this a reporting issue?

Before

Quote
Connection Status             
Help
Mode    VDSL2 
Traffic type    PTM 
DSL synchronization status      Up 
DSL up time     4351438 
 
Line Status           
Help
        Downstream      Upstream
Attainable rate (kbit/s)        73352   22577
SNR margin (dB) 6.3     7
Line attenuation (dB)   0       0
Output power (dBmV)     12.6    -2

And After:

Quote
Connection Status      
Help
Mode   VDSL2 
Traffic type   PTM 
DSL synchronization status   Up 
DSL up time   0 

Line Status      
Help
    Downstream   Upstream
Attainable rate (kbit/s)   72648   22892
SNR margin (dB)   6.1   14.9
Line attenuation (dB)   11.5   0
Output power (dBmV)   12.6   -1.6

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Chrysalis

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #92 on: September 02, 2014, 10:20:08 PM »

I remember someone else reporting it as well somewhere.
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Bald_Eagle1

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #93 on: September 02, 2014, 10:37:46 PM »


Out of interest BE, why would the new binary have such a significant (positive) impact on the U/S SNRM? Is this a reporting issue?



TBH, I'm not currently using a GUI version, so I don't know what the GUI reports these days.
We do know it is & always has been slightly flawed though as it mis-reports some of the raw telnet data etc.


To take things back to basics, I reloaded Asbokid's original firmware & allowed BT's remote update again.

I get all the info I personally need from the HG612 Modem Stats program.


Perhaps line conditions have improved, a distuber pair has been disconnected or the updated firmware reports things more accurately?


The best way would be to compare the raw telnet stats from xdslcmd info --stats & also xdslcmd info --pbParams.

Ideally, 24/7 graphs going back a while would show any significant changes in performance and/or improvement/deterioration in line conditions.

It could even be that your US bitloading now takes place at different tones/frequencies that are 'quieter'.

Most higher speed connections don't need to use much or any of the 'noisier' U0 (ADSL frequency) band for bitloading, so maybe the newer firmware makes more efficient use of all available tones?

We certainly see increased bitswapping via the newer firmware rather than tones previously being marked as unusable.

Maybe that's a possible part explanation.

I'm slightly surprised that US SNRM is so high though as I would normally have expected US attainable rate to increase.


I take it you are actually achieving the full 20 Mbps US sync speed?

Or are you on a capped 40/10 service where attainable rates are rather academic?



I think we'd need to see more extended data to be able to comment with any 'reasonable' certainty.


 
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plexy

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #94 on: September 02, 2014, 11:41:54 PM »

Hi BE, thanks for the reply

Quote
The best way would be to compare the raw telnet stats from xdslcmd info --stats & also xdslcmd info --pbParams.

I can only really give these from after the upgrade. Since the line got rock stable after the D-side pair switch I gave up monitoring after a few months until the recent firware upgrade (im on a huawei cab so fingers crossed for vectoring). The telnet data seems to concur with the web GUI (im on linux so run dslstats as well as a custom perl collector and RRDTool, too much hassle to fire up a windows VM and run the HG612 modem stats scripts unfortunately!)

Quote
      Down      Up
SNR (dB):    6.2       15.0
Attn(dB):    11.5       0.0
Pwr(dBm):    12.6      -1.6

old pbParams (form a year ago) are here http://forum.kitz.co.uk/index.php?topic=12979.msg245243#msg245243, showing 7.1

New pbParams:

Quote
Max:   Upstream rate = 22959 Kbps, Downstream rate = 72876 Kbps
Bearer:   0, Upstream rate = 19999 Kbps, Downstream rate = 73107 Kbps

Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
     VDSL Port Details        Upstream        Downstream
Attainable Net Data Rate:       22959 kbps          72876 kbps
Actual Aggregate Tx Power:      -   1.6 dBm           12.6 dBm
====================================================================================
  VDSL Band Status   U0   U1   U2   U3   U4   D1   D2   D3
  Line Attenuation(dB):   2.8   12.7   19.2   N/A   N/A   7.1   14.6   22.6
Signal Attenuation(dB):   2.8   11.8   18.3   N/A   N/A   8.3   14.4   22.6
        SNR Margin(dB):   15.2   15.0   15.0   N/A   N/A   6.2   6.2   6.1
         TX Power(dBm):   -15.8   -30.9   -1.7   N/A   N/A   8.7   7.8   7.0


Quote
Perhaps line conditions have improved, a distuber pair has been disconnected or the updated firmware reports things more accurately?

Im inclined to think the latter. Unless somehow the line significantly improved in the space of power down->firmware update->power up, but im guessing the probabilities of that happening are rather minimal ;) The web interface stats I posted in my previous post were copied right before the upgrade and right after.

Quote
so maybe the newer firmware makes more efficient use of all available tones?

c'est possible.

Quote
I'm slightly surprised that US SNRM is so high though as I would normally have expected US attainable rate to increase.
Me too, but it was right there in black and white - US SNRM doubled, and sync stayed the same (Though my line has always been a bit weird, you may notice my DS 'max rate' is always lower than the 'bearer' generally. no idea why, it stays stable at 72-73mbps usually.

Quote
I take it you are actually achieving the full 20 Mbps US sync speed?

80/20 and yes, its 19999 on the U path. Though I max out at 17mbps throughput, which is a bit less than the 10% I would expect. wireshark tells me its due to TCP re-xmits a-la TCPs normal throttling - only when under max use - they go away if i throttle the TCP stream manually own to say 14mbps. My guess is my U path has quite a bit of errors when at full chat (side note; my U path is the only one that generates FEC and CRC / ES nowadays)

I do still see those massive dips in SNRM (only on upstream) that I mentioned in my post from last year, when the phone is off the hook. They still reduce the SNRM by up to 7db sometimes, but now with this new 15dB margin that still leaves bags of room. Before the firmware upgrade, when we were on the phone my upload throughput would go down drastically (about 8 to 10 meg max upload when phone was off hook, 17 max when on hook), but since the firmware change the dips still happen, but throughput remains solid 17's even when off hook.

Please see the 2014-09-02 upstream SNRM graph attached for current SNRM (and an example of the 'off hook dip'). Ive also attached a US SNRM graph from october '13 and current bitloading. To be fair today's bitloading on the US doesnt look overly different from before the D-side switch in Oct13 (though you can see the improvement in the D paths the D-side pair switch made!). Old bitloading from Oct 13 is here http://forum.kitz.co.uk/index.php?topic=12979.msg245197#msg245197

Im thinking that your theory about more efficient use may be the winner here? Is the binary blob in this firmware release different to Asbokids release from Sept last year?
« Last Edit: September 02, 2014, 11:46:12 PM by plexy »
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plexy

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #95 on: September 02, 2014, 11:54:14 PM »

And before I forget, massive thanks to the team behind this firmware!! Ill report back any issues/observations as I find them/see something noteworthy..
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Bald_Eagle1

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #96 on: September 03, 2014, 12:07:36 AM »


Im thinking that your theory about more efficient use may be the winner here? Is the binary blob in this firmware release different to Asbokids release from Sept last year?



From memory, the blob that Asbokid released did seem to provide slightly higher sync speeds for some users, but some of the usually dynamic data wasn't being updated until the connection resynced.



I'm afraid I can't recall exactly what wasn't being updated other than bitloading.
I suppose it's also possible that SNRM wasn't being updated until the connection resynced.

Hence the resync that occurred when you updated the fimware could have refreshed the SNRM values, assuming the previous resync had occurred at a time when SNRM was particularly low & that the blob you were using didn't actually refresh SNRM data dynamically.

Unfortunately, without other 'evidence' it's all pretty much guesswork & assumptions now.

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plexy

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #97 on: September 03, 2014, 12:24:20 AM »

Quote
I suppose it's also possible that SNRM wasn't being updated until the connection resynced.

That could be a possibility - it had been running for 50 days (assuming the old 'uptime' count was in seconds) before the upgrade. Though as US SNRM fluctuates in telnet data/graphing on a daily basis, why would it wait for the upgrade power cycle in order to report the 'new' values.

Though I think I may have cracked it - I had BTagent killed and the management interface down on my old firmware. Check your reply to one of my old posts here http://forum.kitz.co.uk/index.php?topic=13041.msg246483#msg246483 - second stage of the bandplan upgrade was a firmware update. I had the first stage, but must have remained on shared tones in U0 until I switched to this firmware? Could that be our smoking gun here?

speculation I know, but seems the most likely at this stage?
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Alex Atkin UK

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #98 on: September 04, 2014, 02:41:26 AM »

Could be, as I was on a Digital Region connection so not the same band plans as BT and no maximum sync rate defined.

My down sync actually slightly decreased from 100004 to 99999 on the newer blob although in reality my connection felt like the latency had been reduced, even though I couldn't actually prove any measurable improvement.

Out of curiosity, why does this thread say "New HW version"?  That to me suggests hardware but I see no mention of new hardware, just new firmware.  Was that intended to say "New FW version"?
« Last Edit: September 04, 2014, 03:09:39 AM by Alex Atkin UK »
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Bald_Eagle1

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #99 on: September 04, 2014, 05:43:16 AM »

HW = Howling Wolf?

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burakkucat

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #100 on: September 04, 2014, 03:48:12 PM »

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sidvandegraaf

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #101 on: September 05, 2014, 01:53:34 PM »

When I go to Basic --> WAN, I only see ptm1.101 under Connection Name (no sign of ptm1.301)

Updating the firmware does not 'reset' the config if you've modified it.

So if you didn't do a factory reset afterwards, you probably have a modified config from one of the previous versions which had ptm1.301 removed.

Finally got around to trying a reset via Maintenance > Device > Reset in the GUI and ptm1.301 is now showing with WAN connection disabled, so all looks good. Many thanks.

A separate question.. my BT vdsl connection was ticking along happily for 2 months with a downstream SNR of 18dB, then it suddenly dropped to 10dB and has stayed at that for the last 5 weeks. The reported max attainable download speed dropped at the same time from 57 Mbps to 53 Mbps (all approx), although this hasn't affected me as I'm on the 40/10 package.

Is this SNR drop likely to be something which BT initiated?

Update: After some reading around I'm suspecting that this is due to crosstalk with local FTTC takeup (I joined very soon after the cabinet was enabled).
« Last Edit: September 09, 2014, 11:12:37 AM by sidvandegraaf »
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Chrysalis

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #102 on: September 08, 2014, 07:03:34 PM »

I can confirm TR069_INTERNET is ptm1.301, the connection name appears when enabling it.
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adslmax

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #103 on: September 16, 2014, 10:38:35 PM »

Where can I download the latest firmware for openreach HG612 V100R001C01B028SP10? As mine is old firmware: A2pv6C030b.d22g
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burakkucat

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Re: HG612 Firmwares [Aug 2014 - New HW version] (Updated 9 Aug)
« Reply #104 on: September 17, 2014, 12:10:37 AM »

Where can I download the latest firmware for openreach HG612 V100R001C01B028SP10? As mine is old firmware: A2pv6C030b.d22g

Please go to the very first post in this thread and take the link that Wolfy has provided.
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