VDSL speeds have shot up!? Chorus changing to 998 bandplan.

Forums › New Zealand Broadband › VDSL speeds have shot up!? Chorus changing to 998 bandplan.

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#1416729 30-Oct-2015 09:59

@hio77

Had a resync last night becuase of getting Central exchange errors. Impulse noise protection has gone to 1 and now getting zero errors. With zero errors latency should switch to fast in a few days ?

Other info
Location Barrington Street, Christchurch. Distance of fritzbox to cabinet 30 Meters Line of sight, House wiring 1940s era Twisted Trurip to from pole forced into a rj45 jackpoint no splitter, nakedVDSL.

mercutio

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#1416738 30-Oct-2015 10:04

so it seems a lot of ikns cards are doing wonderful download speeds, but upload hasn't gone up much. and so 17a is now about upload speed more than anything else.

it also looks like a lot of the freshly moved connections have strange interleaving. i wonder if that'll drop over time.

nickt

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#1416948 30-Oct-2015 12:36

Very nice jump from 43/10 to 68/12 Mbps overnight, in Rangiora (near Christchurch). 11dB line attenuation; 7dB SNR, which is down from 12dB some months ago. Vigor 130 modem so no fancy graphs for me.

mercutio

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#1416949 30-Oct-2015 12:39

nickt: Very nice jump from 43/10 to 68/12 Mbps overnight, in Rangiora (near Christchurch). 11dB line attenuation; 7dB SNR, which is down from 12dB some months ago. Vigor 130 modem so no fancy graphs for me.

it'll be 9db vs 12db target, and syncing at quiet time pushing it down to 7db, it's likely to be stable with 7db though. is vigor broadcom? dslstats can do graphs on quite a few modems..

networkn

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#1416969 30-Oct-2015 13:03

Does DSL Stats work on Zyxel 8324?

mercutio

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#1416971 30-Oct-2015 13:06

networkn: Does DSL Stats work on Zyxel 8324?

looks like it does:

http://www.s446074245.websitehome.co.uk/routers.html

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nickt

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#1416973 30-Oct-2015 13:10

mercutio: it'll be 9db vs 12db target, and syncing at quiet time pushing it down to 7db, it's likely to be stable with 7db though. is vigor broadcom? dslstats can do graphs on quite a few modems..

Not sure of the chipset, but 'adsl showbins' isn't implemented on the 130 so no way to get the data AFAIK. It also doesn't report Ikonos vs Broadcom at the other end, but I'm just below the downstream rate where it would make any difference anyway.

networkn

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#1416974 30-Oct-2015 13:12

Very useful.

DSLAM/MSAN type: IKNS:0x0001 / v0x0001
Modem/router firmware: AnnexA version - A2pv6F039i.d24e
DSL mode: VDSL2 Profile 17a
Status: Showtime
Uptime: 59 min 39 sec
Resyncs: 0 (since 30 Oct 2015 13:09:40)

Downstream Upstream
Line attenuation (dB): 0.0 0.0
Signal attenuation (dB): Not monitored
Connection speed (kbps): 64200 10351
SNR margin (dB): 9.5 26.0
Power (dBm): 14.4 -0.1
Interleave depth: 1 1
INP: 0 0
G.INP: Not enabled

RSCorr/RS (%): N/A 0.0000
RSUnCorr/RS (%): N/A 0.0000
ES/hour: 0 0

Pretty Happy. I believe based on what I have read that I would potentially end up with about 70/20? is that sound right?

mercutio

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#1416975 30-Oct-2015 13:13

networkn: Very useful.

DSLAM/MSAN type: IKNS:0x0001 / v0x0001
Modem/router firmware: AnnexA version - A2pv6F039i.d24e
DSL mode: VDSL2 Profile 17a
Status: Showtime
Uptime: 59 min 39 sec
Resyncs: 0 (since 30 Oct 2015 13:09:40)

Downstream Upstream
Line attenuation (dB): 0.0 0.0
Signal attenuation (dB): Not monitored
Connection speed (kbps): 64200 10351
SNR margin (dB): 9.5 26.0
Power (dBm): 14.4 -0.1
Interleave depth: 1 1
INP: 0 0
G.INP: Not enabled

RSCorr/RS (%): N/A 0.0000
RSUnCorr/RS (%): N/A 0.0000
ES/hour: 0 0

Pretty Happy. I believe based on what I have read that I would potentially end up with about 70/20? is that sound right?

i'd guess to be more like 70/12 - oh hangon, you're on 17a not 8b. yeh, probably 20+. i'm guessing attainable is sitting around 35 megabit atm based on 26db snr margin..

mercutio

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#1416976 30-Oct-2015 13:16

nickt:
mercutio: it'll be 9db vs 12db target, and syncing at quiet time pushing it down to 7db, it's likely to be stable with 7db though. is vigor broadcom? dslstats can do graphs on quite a few modems..

Not sure of the chipset, but 'adsl showbins' isn't implemented on the 130 so no way to get the data AFAIK. It also doesn't report Ikonos vs Broadcom at the other end, but I'm just below the downstream rate where it would make any difference anyway.

looks like it's lantiq like the fritzboxes. so it might be posible, but ... how..

nigelj

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#1417038 30-Oct-2015 14:22

nickt:
mercutio: it'll be 9db vs 12db target, and syncing at quiet time pushing it down to 7db, it's likely to be stable with 7db though. is vigor broadcom? dslstats can do graphs on quite a few modems..

Not sure of the chipset, but 'adsl showbins' isn't implemented on the 130 so no way to get the data AFAIK. It also doesn't report Ikonos vs Broadcom at the other end, but I'm just below the downstream rate where it would make any difference anyway.

Yes it does actually, I've been keeping an eye on mine after quite a sudden slide in sync speeds lately ~15% loss in Downstream, and ~50% loss in Upstream in one sudden overnight (about 2 weeks ago) resync that seems to be quite sticky.

Example:

> adsl status (or vdsl status)
---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
Running Mode : 8B State : SHOWTIME
DS Actual Rate : 23332000 bps US Actual Rate : 4008000 bps
DS Attainable Rate : 23346432 bps US Attainable Rate : 3730000 bps
DS Path Mode : Interleave US Path Mode : Interleave
DS Interleave Depth : 0 US Interleave Depth : 0
NE Current Attenuation : 21 dB Cur SNR Margin : 11 dB
DS actual PSD : 8. 3 dB US actual PSD : 18. 6 dB
NE CRC Count : 0 FE CRC Count : 0
NE ES Count : 0 FE ES Count : 0
Xdsl Reset Times : 0 Xdsl Link Times : 1
ITU Version[0] : b5004946 ITU Version[1] : 544e0000
VDSL Firmware Version : 05-04-08-00-00-06
Power Management Mode : DSL_G997_PMS_L0
Test Mode : DISABLE
-------------------------------- ATU-C Info ---------------------------------
Far Current Attenuation : 0 dB Far SNR Margin : 11 dB
CO ITU Version[0] : b5004244 CO ITU Version[1] : 434da3f5
DSLAM CHIPSET VENDOR : < BDCM >

Kind of waiting for Power Management mode to show 998 before ringing up Spark and asking if they can see anything on their end, but last line shows Broadcom linecard in the cabinet. (Strangely, I'm sure this used read Ikonos, but don't think I have any copies of "adsl status" from a while back to refer back to and check).

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LittleDude

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#1417142 30-Oct-2015 16:27

Big increase for me in Shirley, Christchurch. From 39/10 to 65/26...woohoo!

LittleDude

nickt

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#1417201 30-Oct-2015 16:58

nigelj: mine looks a little different

> adsl status

  --------------------------- ATU-R Info (hw: annex A, f/w: annex Unknown) -----------
   Running Mode            :  unknown       State                : SHOWTIME
   DS Actual Rate          : 67924000 bps   US Actual Rate       : 12136000 bps
   DS Attainable Rate      :        0 bps   US Attainable Rate   :        0 bps
   DS Path Mode            :        Fast    US Path Mode         :        Fast
   DS Interleave Depth     :        0       US Interleave Depth  :        0
   NE Current Attenuation  :       11 dB    Cur SNR Margin       :        7  dB
   DS actual PSD           :   -11.-3 dB    US actual PSD        :    15. 3   dB
   ADSL Firmware Version   : 05-04-08-00-00-06
  -------------------------------- ATU-C Info ---------------------------------
   Far Current Attenuation :        0 dB    Far SNR Margin       :        8  dB
   CO ITU Version[0]       : 0000534e       CO ITU Version[1]    : 00000100
   DSLAM CHIPSET VENDOR    : < unknown >

What firmware version are you running ?

richms

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#1417207 30-Oct-2015 17:04

Still stuck on under 4 meg up on one of my connections here. Stupid router needed a reboot so I lost my good sync from last powercut a few months back.

Richard rich.ms

mercutio

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#1417237 30-Oct-2015 17:44

richms: Still stuck on under 4 meg up on one of my connections here. Stupid router needed a reboot so I lost my good sync from last powercut a few months back.

yeah it always got me how adsl would give like 4 megabit increases in sync rate after power cuts - and vdsl is still giving pretty significant boosts. i don't think it's just from having quick booting modems - i think in the process of syncing it must have less load?

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