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Date: Sat, 5 Nov 2011 17:43:09 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Robert Simmons <rsimmons0@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: ntpdate on boot problem
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On Sat, 5 Nov 2011, Robert Simmons wrote:

> On Sat, Nov 5, 2011 at 6:55 PM, Warren Block <wblock@wonkity.com> wrote:
>> On Sat, 5 Nov 2011, Robert Simmons wrote:
>>> Is there a way to make sure that the interface is UP and working
>>> before running ntpdate at boot on a box with a static IP address?
>> Yes, it is.  FreeBSD 8-STABLE and 9 have /etc/rc.d/netwait just for this.
>
> Thanks, could you elaborate as to how I use netwait at boot to run ntpdate?

Untested:

netwait_enable="YES"
netwait_ip="192.168.1.1" # IP address to ping to verify network is up
netwait_if="em0" # interface to use


Also there's netwait_timeout, which defaults to 60 in 
/etc/defaults/rc.conf.
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