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Date:      Sun, 4 Nov 2001 19:51:20 +0100 (CET)
From:      G Hasse <gh@raditex.se>
To:        "Dirk.Nerling" <Dirk.Nerling@pdv.de>
Cc:        "'freebsd-isdn@freebsd.org'" <freebsd-isdn@FreeBSD.ORG>
Subject:   Re: ifconfig isp0 calls out - more information
Message-ID:  <Pine.BSF.4.21.0111041949040.117-100000@gandalf.sickla.raditex.se>
In-Reply-To: <6CC81B07CB44D311A1D20001FA7E99565EA3CE@exchange.pdv.de>

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On Sun, 4 Nov 2001, Dirk.Nerling wrote:

> Hello all,
> 
> playing around with ips0 I recognized that isp0 and LCP packets seems to be
> responsible for open the line. A simple "ifconfig isp0" calls the remote
> site. A tcpdump while "ifconfig isp0 delete -link1 down" has the following
> LCP packets.

On ethernet when you do a ifconfig on a interface a "arp reply" packet is
sent out saying who have the new IP number. This must be some similarity
in this but should not be on a point-to-point link??? 

GH

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Göran Hasse            email: gh@raditex.se     Tel: +46 8 694 92 70
Raditex AB             http://www.raditex.se    Fax: +46 8 442 05 91
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131 34  NACKA, SWEDEN



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