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309 posts

Ultimate Geek
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Topic # 82853 6-May-2011 15:18
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Just thought I'd post for those that get VDSL and run into issues with a Thomson router. I have 2 routers with me, a Thomson TG799vn that has DECT functionality for SIP services and a  Thomson TG789vn which is the non DECT version.

All running well and I was getting between 8-20mbps down, sharp tooth like retainability and also my modem disconnected evey now and then, with the modem freezing sometimes. Spoke with NZ Distrubuter for thomson and found out that if you have the profile VDSL2-DLM-5 the modem can freeze, I later found out I had VDSL2-DLM-3 and had this swapped to VDSL2-DLM-8. Since doing so I now have constant speeds between 18-20mbps down and 8mbps up (sync rate is 34mbps down, 1mb up).

I am about 350m from the cabinet using google maps, provided the cable runs under the street else 600 odd meters if it runs around the street.

So if anyone happens to have issues with VDSL, get them to try the DLM-8 profile on your connection.
[img]https://www.speedtest.net/result/1283569075.png[/img]




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone

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949 posts

Ultimate Geek
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  Reply # 466239 6-May-2011 15:20
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Who's actually offering vdsl2 right now to the public? I thought it was still in trials. Those speeds are a little low aswell, Do you know your distance from the exchange?




Most problems are the result of previous solutions...

All comment's I make are my own personal opinion and do not in any way, shape or form reflect the views of current or former employers unless specifically stated 



309 posts

Ultimate Geek
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  Reply # 466240 6-May-2011 15:22
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Sorry just edited my post, it's either 300 odd meters or 600 odd meters if it goes around the street to the cabinet.

Dont think anyone is doing it commercially yet as it has no SLA and is in soft launch with telecom still. I have a backup DSL incase my VDSL goes offline for what ever reason as telecom are not bound to fix it in any specific time frame.




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone

 
 
 
 


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Uber Geek
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  Reply # 466242 6-May-2011 15:27
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There are a number of providers who will offer it right now including:

Snap
Unleash
Xtreme Networks
Worldnet







309 posts

Ultimate Geek
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  Reply # 466245 6-May-2011 15:37
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they offer it as a trial correct, again if it breaks there is no SLA to fix it as its in soft launch. It also takes ages to get installed, 4 months for me as its not like ADSL where its an automated process its all manual at tcnz wholesale.




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone



309 posts

Ultimate Geek
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  Reply # 466360 6-May-2011 23:16
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Anyone know if this is normal...

Uptime: 0 days, 0:08:27
FEC Errors (Up/Down): 393 / 393
Data Transferred (Sent/Received) [MB/MB]: 8,02 / 10,34

FEC errors on the thomson router are to do with interleaving, the amount of packets the router has had to reconstruct from what I can tell. Is this alot?

Finding that at strange times my router is losing DSL sync and then rebooting and tries to re-establish sync. It will be find for maybe 12 hrs then all of a sudden it will die, then 10 mins later die, then 20 mins later die then fine for ages.

Don't know what the problem is. :/

Barry




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone

87 posts

Master Geek


  Reply # 466611 8-May-2011 00:47
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I'm not seeing FEC errors or dropouts on mine, are you running 8.4.2.Q firmware?

Link Information
Uptime:
38 days, 21:33:57

DSL Type:
ITU-T G.993.2

Bandwidth (Up/Down) [kbps/kbps]:
10.337 / 66.964

FEC Errors (Up/Down):
0 / 0

CRC Errors (Up/Down):
2.739 / 1

HEC Errors (Up/Down):
13.383 / 0



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Uber Geek
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  Reply # 466640 8-May-2011 08:58
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lokeynz: I'm not seeing FEC errors or dropouts on mine, are you running 8.4.2.Q firmware?

Link Information
Uptime:
38 days, 21:33:57

DSL Type:
ITU-T G.993.2

Bandwidth (Up/Down) [kbps/kbps]:
10.337 / 66.964

FEC Errors (Up/Down):
0 / 0

CRC Errors (Up/Down):
2.739 / 1

HEC Errors (Up/Down):
13.383 / 0




Great stats. How far are you located from the ISAM?    

2715 posts

Uber Geek
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  Reply # 466645 8-May-2011 09:15
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Do you need VDSL2 specific modems to get it?




Lead Consultant @Intergen
All comments are my own opinion, and not that of my employer unless explicitly stated.




309 posts

Ultimate Geek
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  Reply # 466649 8-May-2011 09:16
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He can't be very far, No FEC errors, I have a heap any my connection hasn't been up that long... Would be interested to see your output power, mine looks real odd.

Uptime: 0 days, 0:39:15
DSL Type: ITU-T G.993.2
Bandwidth (Up/Down) [kbps/kbps]: 10.349 / 33.978
Output Power (Up/Down) [dBm]: 12,8 / 429496724,9
Line Attenuation (Up/Down) [dB]: 0,0 / 0,1
SN Margin (Up/Down) [dB]: 18,3 / 12,5
System Vendor ID (Local/Remote): TMMB / ----
Chipset Vendor ID (Local/Remote): BDCM / IKNS
Loss of Framing (Local/Remote): 0 / 0
Loss of Signal (Local/Remote): 0 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): -
Error Seconds (Local/Remote): 0 / 0
FEC Errors (Up/Down): 2.224 / 2.224
CRC Errors (Up/Down): 0 / 0
HEC Errors (Up/Down): 0 / 0




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone



309 posts

Ultimate Geek
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  Reply # 466652 8-May-2011 09:18
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lokeynz: I'm not seeing FEC errors or dropouts on mine, are you running 8.4.2.Q firmware?



Yeah on both routers i've tested.

See above my output power, what's yours as mine doesnt look right at all.




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone



309 posts

Ultimate Geek
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  Reply # 466653 8-May-2011 09:19
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lokhor: Do you need VDSL2 specific modems to get it?


Yes, they are also not the cheapest




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone

2715 posts

Uber Geek
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  Reply # 466658 8-May-2011 09:24
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Bugger. I don't think VDSL2 is available in my area yet but Hosting Direct are apparently making it available in June 2011 according to their map. I get pretty decent sync rates on ADSL2 (20mbps) anyway.




Lead Consultant @Intergen
All comments are my own opinion, and not that of my employer unless explicitly stated.


87 posts

Master Geek


  Reply # 466679 8-May-2011 10:33
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sbiddle:
Great stats. How far are you located from the ISAM?    

100m line of sight to the local exchage, I'd guess 150-180m line length

icepicknz:
See above my output power, what's yours as mine doesnt look right at all.

Power output looks a bit broken here too...

Uptime:    39 days, 7:13:35
DSL Type:    ITU-T G.993.2
Bandwidth (Up/Down) [kbps/kbps]:    10.337 / 66.964
Output Power (Up/Down) [dBm]:    8,1 / 429496704,8
Line Attenuation (Up/Down) [dB]:    0,0 / 0,8
SN Margin (Up/Down) [dB]:    30,4 / 13,0
System Vendor ID (Local/Remote):    TMMB / ----
Chipset Vendor ID (Local/Remote):    BDCM / IKNS
Loss of Framing (Local/Remote):    35 / 0
Loss of Signal (Local/Remote):    34 / 0
Loss of Power (Local/Remote):    0 / 0
Loss of Link (Remote):    -
Error Seconds (Local/Remote):    2.219 / 0
FEC Errors (Up/Down):    0 / 0
CRC Errors (Up/Down):    2.755 / 1
HEC Errors (Up/Down):    13.422 / 0

Re the FEC errors, you said it was to do with interleaving? I'm pretty sure interleaving has been turned off on our line as the latency dropped a fair bit last time the router resynced



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Uber Geek
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  Reply # 466711 8-May-2011 12:22
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lokhor: Bugger. I don't think VDSL2 is available in my area yet but Hosting Direct are apparently making it available in June 2011 according to their map. I get pretty decent sync rates on ADSL2 (20mbps) anyway.


You only need to look at the Telecom Wholesale site to see if it's available.



309 posts

Ultimate Geek
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  Reply # 466752 8-May-2011 14:24
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Good to see your output is the same as mine.

Still really mind boggled that my line is stable for most of the time, then when i havent used it for a few hours, I do some traffic and all is well for about 30 seconds then i lose sync and router reboots, reconnects and then everything is fine.

View more...




 
 
 
 





Uptime:
0 days, 0:04:21





Bandwidth (Up/Down) [kbps/kbps]:
10.349 / 34.002




As per above, I tried to send data 6mins ago, it worked to download mail, then all of a sudden it rebooted and reconnected :/

I wonder if its something on the LAN it doesnt like, 2 different devices same firmware as you. I may try put a cisco between the lan and the router and see if it does the same thing.

Barry




Barry Murphy
ISPMap - New Zealand ISP map
Vibe Communications LTD - Business ISP and Wholesale Carrier



Any comments made by myself don't reflect the views of my employer, they are mine and mine alone

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