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To: "'Damion Wilson'" <dwilson,AT,ibl,DOT,bm>,<tparker,AT,netspace,DOT,net,DOT,au>
Subject: RE: CIPE-Win32: communication breakdown
From: "Michael Clarke" <mclarke,AT,timetra,DOT,com>
Date: Fri, 13 Jun 2003 15:38:12 +0100
Cc: <cipe-l,AT,inka,DOT,de>
Importance: Normal
In-reply-to: <200306131114.17293.dwilson@ibl.bm>

It could also be the CIPE driver's queues becoming corrupted bug (no
KeRaiseIrql during IRP_MJ_READs). I'm assuming pings don't work - if
small pings still work after the breakdown, then that would be the MTU
problem. 

-----Original Message-----
From: owner-cipe-l,AT,inka,DOT,de [mailto:owner-cipe-l,AT,inka,DOT,de On 
Behalf Of
Damion Wilson
Sent: 13 June 2003 15:14
To: tparker,AT,netspace,DOT,net,DOT,au
Cc: cipe-l,AT,inka,DOT,de
Subject: Re: CIPE-Win32: communication breakdown

It might actually be the MTU issue instead. Check the mailing list
archives 
for the "fix". Otherwise I or one of the other guys can send you the
registry editor instructions

DKW

On Thursday 12 June 2003 07:30 pm, you wrote:
> Hi,
>
> > If you read Christof's message of June 6, he asserts that there is a
key
> > negotiation problem over less reliable links due to CIPE
invalidating the
> > key before the NK_ACK and CIPE-Win32 continuing to use the key until
> > the NK_ACK.
>
> I see a problem like this quite often.  I play mp3s across 802.11 via
a
> cipe tunnel from a windows server to a linux client.  Every now and
then
> the tunnel dies and I can't get it to come back.  I guess restarting
the
> win32 service might work, but I generally use the opportunity to
reboot
> entirely.  Nothing I do to the linux end seems to be able to
re-establish
> the tunnel.
>
> This key exchange problem might be what I'm seeing (since the link is
> fairly busy streaming music and unreliable being 802.11).
>
> Cheers,
> Tom
>
>
>
> ------------------------------------------------------------
> This email was sent from Netspace Webmail: http://www.netspace.net.au

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