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Date:      Thu, 19 Feb 2004 21:22:57 -0500
From:      Dan Pelleg <daniel+bsd@pelleg.org>
To:        duanewinner@att.net
Cc:        freebsd-questions <freebsd-questions@FreeBSD.org>
Subject:   Re: method to test for link before dhclient at boot?
Message-ID:  <u2s4qtmv69q.fsf@pelleg.org>
In-Reply-To: <1077242095.304.9.camel@localhost> (Duane Winner's message of "Thu, 19 Feb 2004 20:54:55 -0500")
References:  <1077242095.304.9.camel@localhost>

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Duane Winner <duanewinner@att.net> writes:

> Hello,
>
> I'm wondering if anybody knows a technique for this problem:
>
> I have a laptop that I frequently boot when it is not plugged into an
> ethernet network.
>
> In these circumstances, I would like to add some logic during boot time
> that looks at at the status of my fxp0 interface.
>
> If "status: no carrier" is true, then I do not want dhclient to run. I
> want the boot process to bypass DHCP so that it will boot faster, or so
> that I don't have to hit "CTRL-C" after the hostname is set, and so that
> I can easily run my wireless setup script or ppp manually if I choose to
> connect to a network at all.
>
> But I still need to be able to detect an active link state on fxp0 and
> lease a DHCP address automatically for when I'm in the office and
> plugged in.
>
> Is there a way to accomplish this?
>
> Thanks,
> DW
>

Use nicmond (net/nicmond in ports). It will do all that, and even bring
your interface up as soon as you plug the network cable in.

-- 

  Dan Pelleg



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