Subject: Re: Fw: Re: tcp connections lost on interface down
To: Michael van Elst <mlelstv@serpens.de>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: tech-net
Date: 08/17/2003 20:56:43
On Sun, Aug 17, 2003 at 02:18:40PM +0000, Michael van Elst wrote:
> bouyer@antioche.eu.org (Manuel Bouyer) writes:
> 
> >> Well, I wouldn't. Instead I would expect to be told that the network
> >> connection is no longer usable.
> 
> >And then you would do the same if the UTP link dissapears (most ethernet
> >drivers can report this too). 
> >Would you expect to see your ssh connections be killed just because the
> >switch you're connected to is being reloaded ?
> 
> I was talking about _local_ _administrative_ _decisions_. A reloaded
> switch is surely not a part of that category. Not even removing the
> network cable would be, unlike for example an 'ifconfig down'.

you can use ifconfig down/ifconfig up to reset the interface (e.g. restart
autoneg with the switch). This is sometimes usefull, and you don't want to
loose active TCP connections because of this.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 24 ans d'experience feront toujours la difference
--