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Standard User Stoatwblr
(learned) Wed 10-Apr-13 15:31:34
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DSL dropouts


[link to this post]
 
Is anyone else seeing this?

I have a 16Mb/s DSL link running at 8dB S/N ratio. It's generating 2-5 unrecoverable errors per minute.

More worryingly, I'm seeing periodic PPPoE dropouts, followed by periods of authentication failure lasting up to 2 minutes before the DSL box can reconnect.

In the last 2 days I've seen even worse failure - 10 minute of PPPoE reconnect timouts (Monday 8pm) and 45 minutes of the same (Wednesday 1:05am)

Pinging to my box is showing 75% packet loss on a near-idle DSL connection. If anyone else has set their DSL unit to be pingable I'd appreciate a couple more IPs to verify that what I'm seeing isn't unique to me. (I'm in the SE/Surrey - just outside the M25)

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Standard User Seansmit17
(eat-sleep-adslguide) Wed 10-Apr-13 15:52:18
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Re: DSL dropouts


[re: Stoatwblr] [link to this post]
 
My first question here is..

How are you getting PPPoE dropouts?

TT ADSL is PPPoA

TalkTalk 24Mb
Current Line Status

Connection Speed 24575 Kbps 1019 Kbps
Line Attenuation 14.2 dB 5.5 dB
Noise Margin 1.2 dB 11.8 dB

BT 8Mb
Virgin 50Mb
BT 7Mb

Other ISP's used over the years: AOL Supanet Pipex Tiscali Eclipse Zen
Standard User Stoatwblr
(learned) Wed 10-Apr-13 16:01:31
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Re: DSL dropouts


[re: Seansmit17] [link to this post]
 
You're right, it's PPPoA failures being logged.

The router is a Fritz!Box and it falls through to PPPoE when PPPoA fails.

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Standard User yarwell
(sensei) Wed 10-Apr-13 17:04:37
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Re: DSL dropouts


[re: Stoatwblr] [link to this post]
 
mine just dropped out, I'll watch the counters. Downstream had zero uncorrectable errors.

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User Seansmit17
(eat-sleep-adslguide) Wed 10-Apr-13 17:15:18
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Re: DSL dropouts


[re: Stoatwblr] [link to this post]
 
Fair enough smile

I read it and thought, wait, PPPoE?

Mines been fine.

My connection has gone down twice in the past 2 weeks due to network faults. but nothing like what your having

TalkTalk 24Mb
Current Line Status

Connection Speed 24575 Kbps 1019 Kbps
Line Attenuation 14.2 dB 5.5 dB
Noise Margin 1.2 dB 11.8 dB

BT 8Mb
Virgin 50Mb
BT 7Mb

Other ISP's used over the years: AOL Supanet Pipex Tiscali Eclipse Zen
Standard User yarwell
(sensei) Thu 11-Apr-13 09:17:34
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Re: DSL dropouts


[re: yarwell] [link to this post]
 
217 uncorrectable downstream over 16 hours, no sync drops. 54000 correctable RS errors downstream. No errors upstream. 7 dB margin.

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User Stoatwblr
(learned) Fri 12-Apr-13 10:03:29
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Re: DSL dropouts


[re: yarwell] [link to this post]
 
217 uncorrectable over that period is pretty much ok. I'm seeing that many per hour.

Have you tried pinging back to your DSL IP from outside?

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