VDSL Performance & Tuning

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#1065116 13-Jun-2014 18:27

Chorus spent about 6 hours here today trying to find and fix the problem which seems to be a damaged underground cable that had some water ingress

Stats are looking a little better :D

Bearers generic info                           DS             US
    Payload rate [Kbps]:                       66678        10351
    Attenuation [dB]:                            1.7             4.9
    Margins [dB]:                                 12.7           31.3
    Output power [dBm]:                     10.6           -5.2

    Number of bearers:                           1
    Bearer 0                                         DS             US
      INP [DMT symbols]:                      0.00           0.00
      Delay [ms]:                                  0.00           0.00
      Depth []:                                        1             0.00

Currently a few errors on the line but i think what was from when they were reconnecting everything/fiddling in the cabinet nothing at all for the last 15 minutes.

Previously attenuation was 6.3 down and 10.6 up when i was on 17a and 62mbps

stevehodge

393 posts

Ultimate Geek

#1065127 13-Jun-2014 18:37

Jase2985: Chorus spent about 6 hours here today trying to find and fix the problem which seems to be a damaged underground cable that had some water ingress

Stats are looking a little better :D

Bearers generic info                           DS             US
    Payload rate [Kbps]:                       66678        10351
    Attenuation [dB]:                            1.7             4.9
    Margins [dB]:                                 12.7           31.3
    Output power [dBm]:                     10.6           -5.2

    Number of bearers:                           1
    Bearer 0                                         DS             US
      INP [DMT symbols]:                      0.00           0.00
      Delay [ms]:                                  0.00           0.00
      Depth []:                                        1             0.00

Currently a few errors on the line but i think what was from when they were reconnecting everything/fiddling in the cabinet nothing at all for the last 15 minutes.

Previously attenuation was 6.3 down and 10.6 up when i was on 17a and 62mbps

That's looking good. No need to worry about a small (and consistent) number of errors. My line is rock solid at 70 Mbps with about 3 errors per minute - no DLM changes in about 9 months.

Jase2985

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#1065128 13-Jun-2014 18:39

hopefully DLM will adjust the line accordingly :)

hio77

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Lizard Networks

#1065130 13-Jun-2014 18:45

Jase2985: Chorus spent about 6 hours here today trying to find and fix the problem which seems to be a damaged underground cable that had some water ingress

Stats are looking a little better :D

Bearers generic info                           DS             US
    Payload rate [Kbps]:                       66678        10351
    Attenuation [dB]:                            1.7             4.9
    Margins [dB]:                                 12.7           31.3
    Output power [dBm]:                     10.6           -5.2

    Number of bearers:                           1
    Bearer 0                                         DS             US
      INP [DMT symbols]:                      0.00           0.00
      Delay [ms]:                                  0.00           0.00
      Depth []:                                        1             0.00

Currently a few errors on the line but i think what was from when they were reconnecting everything/fiddling in the cabinet nothing at all for the last 15 minutes.

Previously attenuation was 6.3 down and 10.6 up when i was on 17a and 62mbps

down from 6.3 to 1.7!

boy, where do i get these fixes! :P

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Jase2985

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#1065148 13-Jun-2014 19:30

May not be permanent as coming back from getting dinner there is a temp cable running from the cabinet to the junction box outside my house. which im guessing is carrying the signals at the moment. + my brother-in-law over the road (fed from the same junction box/cable) doesnt have phone service still.

hio77

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Lizard Networks

#1065170 13-Jun-2014 19:57

Jase2985: May not be permanent as coming back from getting dinner there is a temp cable running from the cabinet to the junction box outside my house. which im guessing is carrying the signals at the moment. + my brother-in-law over the road (fed from the same junction box/cable) doesnt have phone service still.

ahhhh tempoary cable! dammnn

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Jase2985

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#1065174 13-Jun-2014 20:01

hopefully they fix the other one and its just as good. looks like they will be back tomorrow. Now im wondering how much of my lawn they plan on digging up to find the issue

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hio77

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#1065289 13-Jun-2014 23:21

Jase2985: hopefully they fix the other one and its just as good. looks like they will be back tomorrow. Now im wondering how much of my lawn they plan on digging up to find the issue

ild say you will likely go back to the loop around that you had before.. not a direct one like the temporary line you currently have :c

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Psilan

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#1067413 17-Jun-2014 13:20

DLM finally did it's thing!

Receive DirectionSend Direction

Max. DSLAM throughput

kbit/s

70000

10360

Min. DSLAM throughput

kbit/s

360

Attainable data rate

kbit/s

68536

32720

Current throughput

kbit/s

68264

10360

Voyager referral - https://refer.voyager.nz/68QKJ8XKK

hio77

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#1067429 17-Jun-2014 13:31

Psilan: DLM finally did it's thing!

Receive DirectionSend Direction Max. DSLAM throughput kbit/s 70000 10360 Min. DSLAM throughput kbit/s 360 360 Attainable data rate kbit/s 68536 32720 Current throughput kbit/s 68264 10360

very nice :)

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Jase2985

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#1067443 17-Jun-2014 13:43

Going off all the work/issues that i had with my line recently should i be asking telecom to have my line reset? so it will start the 10 day training period again?

or just wait and see what happens?

hio77

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#1067451 17-Jun-2014 13:45

Jase2985: Going off all the work/issues that i had with my line recently should i be asking telecom to have my line reset? so it will start the 10 day training period again?

or just wait and see what happens?

if its not dire, i wouldnt bother..

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bigbennyc

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#1067591 17-Jun-2014 15:04

G'day Everyone

Last Tuesday I switched from ADSL2+ with Flip to VDSL with Slingshot. ADSL speeds were around 13mbps and unfortunately the switch to VDSL appears to have made no difference to my d/load speeds. Getting about 12-14mbps down, of course upload is vastly better coming in at about 7.5mbps. Checked my VDSL modem stats and it's showing attenuation of 15dB. Being within the first 10 days of connection to VDSL I'm obviously still going through DLM but I'm guessing that I'm not really going to see any vast improvements in download speeds? Speedguide.net suggests that with 15dB attenuation I should get 34mbps down. Is that likely or would I be better off just going back to ADSL?

stevehodge

393 posts

Ultimate Geek

#1067621 17-Jun-2014 15:31

bigbennyc: G'day Everyone

Last Tuesday I switched from ADSL2+ with Flip to VDSL with Slingshot. ADSL speeds were around 13mbps and unfortunately the switch to VDSL appears to have made no difference to my d/load speeds. Getting about 12-14mbps down, of course upload is vastly better coming in at about 7.5mbps. Checked my VDSL modem stats and it's showing attenuation of 15dB. Being within the first 10 days of connection to VDSL I'm obviously still going through DLM but I'm guessing that I'm not really going to see any vast improvements in download speeds? Speedguide.net suggests that with 15dB attenuation I should get 34mbps down. Is that likely or would I be better off just going back to ADSL?

12-14 Mbps does sound too low for 15 db attenuation, but we'll need more info to tell what (if anything) is wrong. Your modem should report error counts somewhere - that would help. You are still in the training period so it could well get faster as DLM tries different profiles.

You've got much the same download and much better upload on VDSL. Even if nothing changes I can't see how you'd be better off on ADSL.

Lorenceo

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#1067711 17-Jun-2014 16:51

When you had the VDSL installed did Chorus install a master splitter and a new Cat5 cable to a dedicated VDSL jack? 15mb down and 7.5mb up seem like odd numbers to me, if you were getting poor speeds due to distance your upload would likely be a lot lower.

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