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Standard User praby
(newbie) Wed 27-May-15 12:19:10
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Fritzbox 7490 - CRC Errors and how to 'fix' them


[link to this post]
 
I'm on VDSL (FTTC) and I'm seeing lots of errors. Is this a significant problem or not, and if so, what should I change to fix them?

I can supply more info if it is helpful.

DSL

Spectrum

Statistics

Edited by praby (Wed 27-May-15 14:05:16)

Standard User MHC
(sensei) Wed 27-May-15 12:34:59
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: praby] [link to this post]
 
In reply to a post by praby:
Error Counter

Seconds With Not Remediable Errors (CRC)
Errors (ES) Many Errors (SES) per Minute Last 15 Minutes
FRITZ!Box 1556 0 0.85 1
Central exchange 458 0 0.15 1



I don't believe it is too bad.

1556 error seconds from boot ? How long has it been since a reboot.

To understand that last part correctly, it needs to be seen formatted correctly. Can you get an actual screen shot hosted somewhere and a link.


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M H C


taurus excreta cerebrum vincit
Standard User praby
(newbie) Wed 27-May-15 14:03:47
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: MHC] [link to this post]
 
I have hosted three images that may be useful.

Thanks for the info thus far!


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Standard User praby
(newbie) Wed 27-May-15 22:26:31
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: praby] [link to this post]
 
I don't know if 172 errors are typical/acceptable and how to interpret the spectrum graphs. Any advice welcome.
Standard User AdrianPH
(newbie) Thu 28-May-15 05:27:25
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: praby] [link to this post]
 
If you go to the top of any page (right hand corner)within your router GUI there is a "?" that is the manual/help file link .

That explains all the entries.

All connections show some errors, your first figure is the errors since boot, it is tiny , there is nothing to worry about.
Standard User MHC
(sensei) Thu 28-May-15 08:30:48
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: praby] [link to this post]
 
I cannot see anything wrong with those ...

Depending on how full your cabinet is an current uptake you may see your connection slow down as others are added.


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M H C


taurus excreta cerebrum vincit
Standard User lexden16
(member) Thu 28-May-15 08:48:43
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: praby] [link to this post]
 
Unless you want to drive yourself nuts, then just ignore them. AVM dropped FECs from the GUI because it argued that it was just an indication of the box doing what it is made to do. If your downstream SNR is good and you are not experiencing any loss of connection, then do nothing. If you are really concerned, then you can adjust Line Settings towards stability but this will result in a loss of speed.

These are my stats:
Error Counter
Seconds With Not Remediable Errors (CRC)
Errors (ES) Many
Errors (SES) per
Minute Last
15 Minutes
FRITZ!Box 451 0 0.02 0
Central exchange 103 7 0 0


I am on a pretty stable line about 300M from the FTTC cabinet. My 7490 last re-synch'ed 18 days ag
Standard User praby
(newbie) Thu 28-May-15 21:13:44
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Re: Fritzbox 7490 - CRC Errors and how to 'fix' them


[re: AdrianPH] [link to this post]
 
Thanks guys - I'll keep an eye on it every so often.
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