Re: [Hampshire] ADSL Modem

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Author: David Anderson
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] ADSL Modem
Simon,

Friday, December 8, 2006, 4:01:57 PM, you wrote:

SH> On Thu, Dec 07, 2006 at 09:39:52PM +0000, Jamie Webb wrote:
>> On Thu, Dec 07, 2006 at 01:30:43PM +0000, Tom Dawes-Gamble wrote:
>> > Let's assume that you have just started of with a shiny new ADSL Max
>> > line. And your using a router that has a fault that means it can't
>> > sync correctly so you get a less than ideal rate. The ten days go
>> > by and your really not happy. You do some checking and find that
>> > your router is at fault. So you go out and buy shiny a new router.
>> > The line should now sync at the best rate possible. It would be
>> > wrong to remain at the degraded rate forever.
>> In these circumstances, I think it's necessary to ask BT to repeat the
>> training.


SH> In theory, after the 10 day training period, given three good syncs over
SH> three days (i.e. you have to reboot the router each day so it resyncs)
SH> the rate should be happier. Certainly that's what the information I've
SH> seen plus support agents from our supplier say.


SH> The best page to read about MAX ADSL is
SH> http://www.aaisp.net.uk/maxmagic.html


SH> On Fri, Dec 08, 2006 at 09:35:39AM +0000, David Anderson wrote:
>> Thursday, December 7, 2006, 10:37:14 AM, you wrote:
>> JW> On Thu, Dec 07, 2006 at 09:19:29AM +0000, David Anderson wrote:
>> >> Bear in mind that a modem will switch off the connection whenever
>> >> the PC is rebooted or turned off, and the way that Max works can
>> >> cause a lessening of the sync rate for a few days. With a router
>> >> left on continuously the rate will settle down after 10 days.
>> JW> Do you have a source for this? It sounds like FUD.
>> I have switched my router off twice whilst on holidays - 5 days each
>> time. Looking at my BT line stats before and after shows a retrain at
>> a lower rate on return, slowly building up over the course of a few
>> days.


>> Good enough source for you?


SH> Strange but I suppose plausible; I was as doubtful as Jamie when you
SH> first wrote this. Did it start off at about 2meg?


This was on a fully up to speed line.

The following are BT line stats:

Upstream        Downstream      Interleave      Date
448     7392    Auto    03-Oct-2006 11:20:12
448     6240    Auto    30-Sep-2006 11:18:38
448     6816    Auto    27-Sep-2006 12:39:13
448     7392    Auto    22-Sep-2006 06:19:00
448     5696    Auto    08-Sep-2006 09:52:39
448     5696    Auto    06-Sep-2006 12:13:43
448     6816    Auto    05-Sep-2006 08:14:18
448     7392    Auto    08-Aug-2006 07:22:39
448     7392    Auto    30-Jul-2006 12:17:50


I went on holiday at the beginning of September and the end of
September.

QED

-- 
Best regards,
 David                            mailto:dma@pern.co.uk