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hhk

External


Since: Apr 20, 2006
Posts: 2



(Msg. 1) Posted: Thu Apr 20, 2006 1:48 pm
Post subject: Constantly connnecting and disconnecting
Archived from groups: comp>sys>ibm>pc>hardware>networking (more info?)
Does anyone have any idea why my router would constantly drop and the
re-connect my Internet connection? This is a Dlink DI-624 connected to
a Speedtouch DSL modem. My ISP is of no help. I've tried power cycling
the modem and router.

From my router log file:

Apr/20/2006 12:44:04 PPPoE line connected
Apr/20/2006 12:44:01 PPPoE try to re-connect automaticly
Apr/20/2006 12:44:00 PPPoE: Receive PADT TAG Disconnect PPPoE line
Apr/20/2006 12:43:58 PPPoE try to re-connect automaticly
Apr/20/2006 12:43:58 PPPoE: Receive PADT TAG Disconnect PPPoE line
Apr/20/2006 12:43:42 PPPoE line connected
Apr/20/2006 12:43:39 PPPoE try to re-connect automaticly

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MCheu

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Since: Feb 04, 2005
Posts: 62



(Msg. 2) Posted: Thu Apr 20, 2006 6:52 pm
Post subject: Re: Constantly connnecting and disconnecting [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Thu, 20 Apr 2006 13:48:52 -0400, hhk <skategoat25 DeleteThis @foo.foo> wrote:

>Does anyone have any idea why my router would constantly drop and the
>re-connect my Internet connection? This is a Dlink DI-624 connected to
>a Speedtouch DSL modem. My ISP is of no help. I've tried power cycling
>the modem and router.
>
> From my router log file:
>
>Apr/20/2006 12:44:04 PPPoE line connected
>Apr/20/2006 12:44:01 PPPoE try to re-connect automaticly
>Apr/20/2006 12:44:00 PPPoE: Receive PADT TAG Disconnect PPPoE line
>Apr/20/2006 12:43:58 PPPoE try to re-connect automaticly
>Apr/20/2006 12:43:58 PPPoE: Receive PADT TAG Disconnect PPPoE line
>Apr/20/2006 12:43:42 PPPoE line connected
>Apr/20/2006 12:43:39 PPPoE try to re-connect automaticly

It's a quirk of the DI-624 (and a few other D-Link DSL routers). I've
seen it referred to as "router thrashing." The PADT TAG isn't
particularly helpful as a diagnostic aid, because it's basically a
hang up code (end session), and you already know that the connection
was cut, you just don't know why.

Updating the firmware has been known to help if you own a revision A,
B, or C (the D revision is new, and should have the latest firmware
for it). You will need to know which hardware revision you have, as
the hardware's different, and so is the firmware (why they didn't just
use a new model number instead of confusing people, I don't know).

You can find a lot more information about this in the forums at DSL
reports (www.dslreports.com).
---------------------------------------------
Thanks.


MCheu

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"Dave

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Since: Mar 21, 2006
Posts: 18



(Msg. 3) Posted: Fri Apr 21, 2006 7:55 pm
Post subject: Re: Constantly connnecting and disconnecting [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
hhk wrote:
> Does anyone have any idea why my router would constantly drop and the
> re-connect my Internet connection? This is a Dlink DI-624 connected to
> a Speedtouch DSL modem. My ISP is of no help. I've tried power cycling
> the modem and router.

I can't speak for that model, but I had a problem with my ADSL modem
which was traced to basically a low S/N ratio on the incoming line.
Since I am a long way from the exchange, it is important to not lower
the S/N in the house by bad wiring. If your house has extensions all
over the place, then this is likely to cause a problem as the incoming
cable is twisted pair (low loss) but normal phone type wiring is not
twisted pair, so picks up more and radiates more.


--
Dave K MCSE.

MCSE = Minefield Consultant and Solitaire Expert.

Please note my email address changes periodically to avoid spam.
It is always of the form: month-year@domain. Hitting reply will work
for a couple of months only. Later set it manually.
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hhk

External


Since: Apr 20, 2006
Posts: 2



(Msg. 4) Posted: Thu Apr 27, 2006 8:13 am
Post subject: Re: Constantly connnecting and disconnecting [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
MCheu wrote:
> On Thu, 20 Apr 2006 13:48:52 -0400, hhk <skategoat25 RemoveThis @foo.foo> wrote:
>
>
>>Does anyone have any idea why my router would constantly drop and the
>>re-connect my Internet connection? This is a Dlink DI-624 connected to
>>a Speedtouch DSL modem. My ISP is of no help. I've tried power cycling
>>the modem and router.
>>
>>From my router log file:
>>
>>Apr/20/2006 12:44:04 PPPoE line connected
>>Apr/20/2006 12:44:01 PPPoE try to re-connect automaticly
>>Apr/20/2006 12:44:00 PPPoE: Receive PADT TAG Disconnect PPPoE line
>>Apr/20/2006 12:43:58 PPPoE try to re-connect automaticly
>>Apr/20/2006 12:43:58 PPPoE: Receive PADT TAG Disconnect PPPoE line
>>Apr/20/2006 12:43:42 PPPoE line connected
>>Apr/20/2006 12:43:39 PPPoE try to re-connect automaticly
>
>
> It's a quirk of the DI-624 (and a few other D-Link DSL routers). I've
> seen it referred to as "router thrashing." The PADT TAG isn't
> particularly helpful as a diagnostic aid, because it's basically a
> hang up code (end session), and you already know that the connection
> was cut, you just don't know why.
>
> Updating the firmware has been known to help if you own a revision A,
> B, or C (the D revision is new, and should have the latest firmware
> for it). You will need to know which hardware revision you have, as
> the hardware's different, and so is the firmware (why they didn't just
> use a new model number instead of confusing people, I don't know).
>
> You can find a lot more information about this in the forums at DSL
> reports (www.dslreports.com).
> ---------------------------------------------
> Thanks.
>
>
> MCheu
So I tried a different router. This one an old Netgear RT314 that was
working reliably until I took it out of service last year. I have the
same symptoms although the error log looks different. Here it is:

15 Sat Jan 1 00:28:28 2000 PP0a WARN Last errorlog repeat 1 Times
16 Sat Jan 1 00:28:28 2000 PP0a INFO ppp_ready: ch:30c75c, iface:378308
17 Sat Jan 1 00:29:40 2000 PP0c INFO SMT Password pass
18 Sat Jan 1 00:29:40 2000 PINI INFO SMT Session Begin
19 Sat Jan 1 00:34:51 2000 PINI INFO SMT Session End
21 Sat Jan 1 00:35:08 2000 PP0c INFO SMT Password pass
22 Sat Jan 1 00:35:08 2000 PINI INFO SMT Session Begin
24 Sat Jan 1 01:13:31 2000 PP0a INFO ppp_ready: ch:30c75c, iface:378308

Next up, a Linksys router. I guess I'll go through all the mfgs eventually.
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