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Date:      Wed, 27 Mar 2002 13:37:30 -0800 (PST)
From:      Julian Elischer <julian@elischer.org>
To:        Gavin Atkinson <gavin@ury.york.ac.uk>
Cc:        freebsd-net@freebsd.org
Subject:   Re: How to detect link on unconfigered interface?
Message-ID:  <Pine.BSF.4.21.0203271337040.47944-100000@InterJet.elischer.org>
In-Reply-To: <Pine.BSF.4.33.0203272056190.6118-200000@ury.york.ac.uk>

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you can bring it 'up' without giving it an IP address

e.g.

ifconfig ed0 up


On Wed, 27 Mar 2002, Gavin Atkinson wrote:

> 
> Hi,
> 
> I have a problem I have so far been unsuccessful in solving. I want to
> detect if a particular network interface has a link, before this interface
> has an IP address configured.
> 
> From looking at the source to ifconfig, which successfully does this, the
> attached code should work,  but doesn't. Can anyone help me please?
> 
> Thanks,
> 
> Gvain
> 


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