Re: [Hampshire] ADSL Modem

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Author: hantslug
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] ADSL Modem
On Friday 08 Dec 2006 16:31, David Anderson wrote:
> 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


Erm...
I turn all my equipment off at the wall every night, including my router, and
have not been away. My stats are as below. I feel that David has indeed
produced one example, but one swallow does not a summer make. ;-) (The
recorded dates are those recorded by Zen and are not of my choosing.)
Lisi

448 6816 Auto 08-Dec-2006 07:54:57
448 6240 Auto 07-Dec-2006 07:51:31
448 6816 Auto 05-Dec-2006 09:14:48
448 6240 Auto 04-Dec-2006 08:13:49
448 5696 Auto 30-Nov-2006 10:45:18
448 5696 Auto 28-Nov-2006 08:35:56
448 5120 Auto 26-Nov-2006 05:59:03
448 5696 Auto 26-Nov-2006 05:47:36
448 5696 Auto 26-Nov-2006 05:41:49
448 6240 Auto 26-Nov-2006 07:55:04
448 4544 Auto 24-Nov-2006 08:50:21
448 4000 Auto 22-Nov-2006 06:12:39
448 4000 Auto 20-Nov-2006 01:30:56
448 4000 Auto 18-Nov-2006 05:37:41
448 5120 Auto 17-Nov-2006 07:08:06
448 6816 Auto 16-Nov-2006 06:47:25
448 6816 Auto 15-Nov-2006 10:25:21
448 7392 Auto 14-Nov-2006 05:40:09
448 8128 Auto 14-Nov-2006 11:37:40
448 8128 Auto 13-Nov-2006 09:50:32
448 6816 Auto 10-Nov-2006 01:45:06
448 7968 Auto 10-Nov-2006 12:07:32
448 7968 Auto 10-Nov-2006 11:26:42
448 8128 Auto 10-Nov-2006 11:09:30
448 8128 Auto 10-Nov-2006 11:04:18