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33 posts

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  # 1791519 30-May-2017 09:10
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just had a bit of decrease in speed , unsure why this is , ive checked all my connections and they look okay 

 

heres my stats , and you can see my eariler post on the previous page of the better sync rates i was getting

 

 

 

 

 

 

 




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  # 1794157 3-Jun-2017 10:56
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@seretonin, your downstream line attenuation has risen from 15 to 36 since your last screenshot which is a massive rise.  This indicates some sub-optimal line conditions.  Water can cause this as well as just having old, sub-standard lines or connections.


 
 
 
 




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  # 1794158 3-Jun-2017 11:01
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EDIT: Oops, quoted wrong post!

 

 

 

Jase2985:

 

@samF doubt you will see more as you are likely on a ikanos line card and you are maxing that out. they do report they can obtain higher speeds but they are stuck at 70/30.

 

the newer boardcom cards can do 100/50

 

 

 

 

Of course you are right, I forgot about that limit!  Interestingly I had another resync yesterday and now the attainable speed is even better!  Errors are static now which is good, so just waiting for that interleaving to drop...

 

 

Now who do I have to bribe / blackmail / kill to get my cabinet upgrade to better line cards!? :D


'That VDSL Cat'
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  # 1794169 3-Jun-2017 11:38
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Your actual is faster than should be possible on that linecard...

 

 

 

interesting...

 

the only way that it would be possible is if there are both broadcom and ikanos linecards in your cabinet and even then it is extremely rare that you would get a selection of the two.





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  # 1794170 3-Jun-2017 11:41
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You mean by 15kbits?  Could just be a rounding / reporting error.


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  # 1794173 3-Jun-2017 11:48
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SamF:

 

You mean by 15kbits?  Could just be a rounding / reporting error.

 

 

Yeah i do, very likely is an error makes my mind wonder though...





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  # 1794176 3-Jun-2017 11:54
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Heh, true, it is interesting.  Looks pretty solidly stuck at 70/30 though so surely an ikanos.

 

 

 

Slightly frustrating to be 'limited' to 70% of my potential line speed however!  Know of any programs going on to upgrade older line cards to newer Broadcom ones?


 
 
 
 


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  # 1794186 3-Jun-2017 12:16
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SamF:

 

Heh, true, it is interesting.  Looks pretty solidly stuck at 70/30 though so surely an ikanos.

 

 

 

Slightly frustrating to be 'limited' to 70% of my potential line speed however!  Know of any programs going on to upgrade older line cards to newer Broadcom ones?

 

 

Unlikely to ever happen, would be far too expensive and better spent replacing with fibre.





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  # 1794191 3-Jun-2017 12:58
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Even better!  Fibre scheduled for June 2018 :(

 

You're probably right tho, they won't be upgrading VDSL with fibre only a year away.


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  # 1794204 3-Jun-2017 13:49
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SamF:

 

Even better!  Fibre scheduled for June 2018 :(

 

You're probably right tho, they won't be upgrading VDSL with fibre only a year away.

 

 

If thats the chorus map then thats just what it says for things that are scheduled soon. Near here is also june 18, as am I, but some streets are getting digging now so my fingers are crossed that the signs go up in my street real soon now.





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  # 1794220 3-Jun-2017 14:26
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SamF:

 

 

 

Slightly frustrating to be 'limited' to 70% of my potential line speed however!  Know of any programs going on to upgrade older line cards to newer Broadcom ones?

 

 

but your not limited though, you are getting 100% of whats available on the ikanos line card. your getting 70% of what others may be getting on the new and i guessing replacements for the ikanos ones.

 

With all the people moving to fibre i would imagine they re-appropriate those unused VDSL line cards to areas that dont have VDSL. not to areas that already have it and are getting fibre




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  # 1794279 3-Jun-2017 17:22
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Jase2985:

 

but your not limited though, you are getting 100% of whats available on the ikanos line card. your getting 70% of what others may be getting on the new and i guessing replacements for the ikanos ones.

 

 

 

 

Sure, but I'm not getting 100% of what my line is capable of :)


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  # 1794301 3-Jun-2017 18:57
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SamF:

 

Now who do I have to bribe / blackmail / kill to get my cabinet upgrade to better line cards!? :D

 

 

Ha! - I'd just like to know why my profile seems to be stuck on 8B - My stats look more than fine for 17A but it just won't pop.

 

ddDLM appears to be on holiday after visiting 8 days ago to lower the US SNR from 12dB down to 6dB....

 

System Uptime:241:17:40
VDSL Information:      VDSL Firmware Version:05-07-09-0F-01-07
Mode:8B                State:SHOWTIME   TX Block:0     RX Block:0    
Corrected Blocks:233   Uncorrected Blocks:1318 
UP Speed:12911000   Down Speed:74141000   SNR Margin:6   Loop Att.:9  

 


  ---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
   Running Mode            :       8B                     State                : SHOWTIME
   DS Actual Rate          : 74141000 bps            US Actual Rate       : 12911000 bps
   DS Attainable Rate      : 74348328 bps           US Attainable Rate   : 12760000 bps
   DS Path Mode            :  Interleave                US Path Mode         :        Fast 
   DS Interleave Depth     :      248                   US Interleave Depth  :       16 
   NE Current Attenuation  :        9 dB               Cur SNR Margin       :        6  dB
   DS actual PSD           :   -12.-6 dB                US actual PSD        :    16. 2  dB
   NE CRC Count            :     1318                    FE CRC Count         :      233
   NE ES Count             :      275                      FE  ES Count         :      186
   Xdsl Reset Times        :        0                      Xdsl Link  Times     :        2
   ITU Version[0]          : b5004946       ITU Version[1]       : 544e0000
   VDSL Firmware Version   : 05-07-09-0F-01-07   [with Vectoring support] 
   Power Management Mode   : DSL_G997_PMS_L0 
   Test Mode               : DISABLE 
  -------------------------------- ATU-C Info ---------------------------------
   Far Current Attenuation :        8 dB                Far SNR Margin       :        5  dB
   CO ITU Version[0]       : b5004244                  CO ITU Version[1]    : 434da3f5
   DSLAM CHIPSET VENDOR    : < BDCM >

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  # 1794385 4-Jun-2017 00:07
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Seen a big leap in speed after latest Fritz firmware on my VDSL line. Was getting 12-14Mbs down and 3-4Mbs up for the last year or so. Am now consistently getting 20Mbs down, and 5-6Mbs up. Went from Fritz firmware version 6.53 to 6.83 on a Fritzbox 7390. I perceive the line has been more stable too, although that is always weather related on this line (wind and rain causes re-syncs), so it will take longer to be sure on that!

 

Change after firmware update was immediate in the speed gain (synced higher after firmware reboot) and I'm aware of no other changes. (Of course, it could be a fluke related to an unknown network change, and is unrelated to my firmware update.... but seems unlikely given timing!)

 

I'm on Ikanos 2.1 linecard (although annoyingly this Fritz firmware 6.83 gives less info on the linecard than the previous 6.53 version did).

 

I'm only about 150m from Cabinet, but the lines are in terrible condition up here. Chorus tech said if he got his way, he wouldn't allow our street to have VDSL as the lines are too poor quality (he'd roll us alll back to ADSL if he could!).... which makes it all the more frustrating that Fibre isn't coming until July 2019!

 

 

 


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  # 1794432 4-Jun-2017 09:58
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miked:

 

Seen a big leap in speed after latest Fritz firmware on my VDSL line. Was getting 12-14Mbs down and 3-4Mbs up for the last year or so. Am now consistently getting 20Mbs down, and 5-6Mbs up. Went from Fritz firmware version 6.53 to 6.83 on a Fritzbox 7390. I perceive the line has been more stable too, although that is always weather related on this line (wind and rain causes re-syncs), so it will take longer to be sure on that!

 

Change after firmware update was immediate in the speed gain (synced higher after firmware reboot) and I'm aware of no other changes. (Of course, it could be a fluke related to an unknown network change, and is unrelated to my firmware update.... but seems unlikely given timing!)

 

I'm on Ikanos 2.1 linecard (although annoyingly this Fritz firmware 6.83 gives less info on the linecard than the previous 6.53 version did).

 

I'm only about 150m from Cabinet, but the lines are in terrible condition up here. Chorus tech said if he got his way, he wouldn't allow our street to have VDSL as the lines are too poor quality (he'd roll us alll back to ADSL if he could!).... which makes it all the more frustrating that Fibre isn't coming until July 2019!

 

 

 

 

 

 

 

Hmmmm. 150m from cabinet. That is is a very short distance and you should be getting 60 - 70 MBps Sync at least with a decent line. You did say the line is bad so that is the constraint. I guess no one want to invest in copper any more given that fibre is coming. Your modem stats is interesting though. Line attenuation of 11db would corroborate with your short distance to the cabinet and yet it would not sync higher than 20 Mbps. Must be due to  interference, noise ..etc.

 

Can you get wireless broandband as that is a viable alternative if you can live with a data cap.


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