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From: "JK" <jdkullmann@aliencamel.com>
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Subject: Re: 5.4 / 6.0  wi0 and dhcp with closed network
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On Wed, 28 Dec 2005 12:05:10 -0400
  "JK" <jdkullmann@aliencamel.com> wrote:
> I cannot get this to work at startup time on 5.4
> 
> On 6.0 I put  ifconfig_wi0="ssid mynet DHCP" into /etc/rc.conf and 
>that works.  I end up on the closed 'mynet' network via a DHCP 
>address.
> 
> On 5.4 neither that line nor other combinations in /etc/rc.conf of
> 
> ifconfig_wi0="DHCP"
> ifconfig_wi0="ssid mynet"
> dhclient wi0
> 
> work.  I _can_ get up on 5.4 by booting and then manually doing
> 
> ifconfig wi0 ssid mynet
> dhclient wi0
> 
> After dhclient receives the IP etc from the server the machine is up 
>fine.
> 
> How in the world do I do this in /etc/rc.conf ( or other files ) on 
>5.4 so it works automatically at startup time?
> _____________________________________

Following myself up,   the only way I could get this to work in 5.4 at 
startup time was to create a  /etc/start_if.wi0 that contained

ifconfig wi0 ssid mynet
dhclient wi0

and not put any ifconfig_XX commands into my /etc/rc.conf

That seems pretty cheesey to me but it works.  If anyone else has a 
cleaner way I'd love to know what it is.