From: John Bradford <john@grabjohn.com>
To: ptb@it.uc3m.es (Peter T. Breuer)
Cc: ahtraps@yahoo.com, linux-kernel@vger.kernel.org
Subject: Re: Difference between dummy and loopback interfaces
Date: Tue, 10 Dec 2002 10:31:29 +0000 (GMT) [thread overview]
Message-ID: <200212101031.gBAAVTjI000445@darkstar.example.net> (raw)
In-Reply-To: <200212090849.gB98n2319698@oboe.it.uc3m.es> from "Peter T. Breuer" at Dec 09, 2002 09:49:02 AM
> > I can't think of a condition where a dummy device is useful (other than
> > for simulating a blackhole device which sucks every packet sent to it).
>
> The dummy device is conventionally used to provide a separate interface
> that can be used to bind the hostname to when there is no real nic in
> the box to bind it to (binding it to loopback being a no no).
Slackware binds the hostname to 127.0.0.1 by default. As pointed out
in comments in the /etc/hosts file, it is technically incorrect, but
it does work, and it's fine on a non-networked machine.
John.
next prev parent reply other threads:[~2002-12-10 10:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e414a6f2.0212082318.71702ff9@posting.google.com>
2002-12-09 8:49 ` Difference between dummy and loopback interfaces Peter T. Breuer
2002-12-10 10:31 ` John Bradford [this message]
2002-12-16 7:02 ` Rob Landley
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