Date: Sat, 7 Jun 2003 14:18:19 -0400
From: Ryan Anderson <ryan@michonline.com>
To: "David S. Miller" <davem@redhat.com>
Cc: chas@cmf.nrl.navy.mil, wa@almesberger.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][ATM] use rtnl_{lock,unlock} during device operations (take 2)
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On Fri, Jun 06, 2003 at 11:59:46PM -0700, David S. Miller wrote:
>    From: chas williams <chas@cmf.nrl.navy.mil>
>    Date: Fri, 06 Jun 2003 20:45:51 -0400
> 
>    really?  if i remove my ethernet interface i expect all the
>    connections to die.
>    
> Nope, this actually works.
> 
> Many a moon ago, we did this wrong and yes the TCP connections
> died.
> 
> But these days, definitely if you bring the interface back up
> with the same IP addresses, it just works and the connections
> recover.

FWIW, I seem to recall Windows doing this in older version, but with XP
it's very good about noticing link death, and killing things off.

I like the "correct" behavior much better, especially when dealing with
a combination of ethernet cables that have finicky ends and laptops that
get moved a little bit.  (Poof - cable slips out, all connections drop,
waste 5 minutes getting things retarted.)

-- 

Ryan Anderson
  sometimes Pug Majere
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