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Author Topic: Can I Have any Faith in these Errors?  (Read 366 times)

AlecRobertson

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Can I Have any Faith in these Errors?
« on: April 16, 2012, 06:25:23 PM »
I was just wondering whether these errors are correct or not:

Uptime:    0 days, 1:01:12    
DSL Type:    G.992.1 annex A    
Bandwidth (Up/Down) [kbps/kbps]:    448 / 7.360    
Data Transferred (Sent/Received) [MB/GB]:    66,08 / 1,94    
Output Power (Up/Down) [dBm]:    11,5 / 19,5    
Line Attenuation (Up/Down) [dB]:    24,0 / 41,0    
SN Margin (Up/Down) [dB]:    24,0 / 6,0    
Vendor ID (Local/Remote):    TMMB / ALCB    
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):    0    
Error Seconds (Local/Remote):    0 / 0    
FEC Errors (Up/Down):    0 / 0    
CRC Errors (Up/Down):    0 / 90    
HEC Errors (Up/Down):    0 / 55     
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Yours sincerely,
Alec Robertson.

ben1066

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Re: Can I Have any Faith in these Errors?
« Reply #1 on: April 16, 2012, 06:28:16 PM »
Some errors are to be expected.
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roseway

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Re: Can I Have any Faith in these Errors?
« Reply #2 on: April 16, 2012, 06:32:17 PM »
I don't know if they're correct, but they're quite believable values. It's odd that the error seconds are shown as zero, because there are clearly some errors, but the CRC and HEC errors are reasonable.
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  Eric

.Griff.

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Re: Can I Have any Faith in these Errors?
« Reply #3 on: April 16, 2012, 06:39:46 PM »
Nothing wrong at all with those amounts of errors.
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AlecRobertson

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Re: Can I Have any Faith in these Errors?
« Reply #4 on: April 16, 2012, 06:42:04 PM »
What about now:

Uptime:   0 days, 1:16:49
DSL Type:   G.992.1 annex A
Bandwidth (Up/Down) [kbps/kbps]:   448 / 7.360
Data Transferred (Sent/Received) [MB/GB]:   66,84 / 1,96
Output Power (Up/Down) [dBm]:   11,5 / 19,5
Line Attenuation (Up/Down) [dB]:   24,0 / 41,0
SN Margin (Up/Down) [dB]:   24,0 / 5,0
Vendor ID (Local/Remote):   TMMB / ALCB
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):   0
Error Seconds (Local/Remote):   0 / 0
FEC Errors (Up/Down):   0 / 0
CRC Errors (Up/Down):   0 / 1.645
HEC Errors (Up/Down):   0 / 1.582
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Yours sincerely,
Alec Robertson.

AlecRobertson

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Re: Can I Have any Faith in these Errors?
« Reply #5 on: April 16, 2012, 06:46:46 PM »
Getting worse:

Uptime:   0 days, 1:22:35
DSL Type:   G.992.1 annex A
Bandwidth (Up/Down) [kbps/kbps]:   448 / 7.360
Data Transferred (Sent/Received) [MB/GB]:   67,24 / 1,96
Output Power (Up/Down) [dBm]:   11,5 / 19,5
Line Attenuation (Up/Down) [dB]:   24,0 / 41,0
SN Margin (Up/Down) [dB]:   24,0 / 5,5
Vendor ID (Local/Remote):   TMMB / ALCB
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):   0
Error Seconds (Local/Remote):   0 / 0
FEC Errors (Up/Down):   0 / 0
CRC Errors (Up/Down):   0 / 3.607
HEC Errors (Up/Down):   0 / 3.509
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Yours sincerely,
Alec Robertson.

.Griff.

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Re: Can I Have any Faith in these Errors?
« Reply #6 on: April 16, 2012, 07:03:23 PM »
Still nothing to worry about.

When I had issues with my line I was getting 12 CRC every second! By the time OR came to investigate there was 21million CRC errors recorded.

Fastpath is obviously on that connection so CRC errors can be expected.
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Black Sheep

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Re: Can I Have any Faith in these Errors?
« Reply #7 on: April 16, 2012, 07:08:11 PM »
Quote from: .Griff. on April 16, 2012, 07:03:23 PM
Still nothing to worry about.

When I had issues with my line I was getting 12 CRC every second! By the time OR came to investigate there was 21million CRC errors recorded.

Fastpath is obviously on that connection so CRC errors can be expected.

There are no 'hard and fast' rules to error-counts, but from experience and dealing with the various ISP's, between 12-20 CRC's per minute would be classed as evidence of a fault.
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