Date: Mon, 19 Jul 2004 19:23:57 +0200 From: "Graaf, Rob" <graaf@Phys.LeidenUniv.nl> To: 'Kevin Oberman ' <oberman@es.net>, 'Jason Dusek ' <jason-dusek@uiowa.edu> Cc: "'mobile@freebsd.org '" <mobile@freebsd.org> Subject: RE: Smooth Wireless Message-ID: <A16923DE912AD411B0F800A024519D4C01E17FDA@lion-msrvp.leidenuniv.nl>
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>From FreeBSD 5.x, all cards inserted/attached and removed/detached, are done
by the devd and not the pccardd.
My card attaches itself always on wi0, so the configuration becomes:
/etc/devd.conf
attach 100 {
device-name "wi0";
action "echo 'starting dhclient though pccard_ether from devd.conf'
>> /var/log/messages";
action "/etc/pccard_ether $device-name start";
};
detach 100 {
device-name "wi0";
# action "/etc/pccard_ether $device-name stop";
};
the pccard script is started, and dhclient uses the configuration in
/etc/dhclient.conf
interface "wi0" {
send dhcp-client-identifier "dowould";
# media "nwid 'mynetwork' -nwkey"; # force 'mynetwork' network
media "nwid '' -nwkey"; # open network
request subnet-mask, broadcast-address, routers, domain-name-servers,
domain-name, time-servers;
}
Make sure all right settings are in /etc/rc.conf
More on this on my webpage: http://www.rdegraaf.nl/freebsd/
Greetings Rob
-----Original Message-----
From: Kevin Oberman
To: Jason Dusek
Cc: mobile@freebsd.org
Sent: 7/19/04 5:59 PM
Subject: Re: Smooth Wireless
> Date: Mon, 19 Jul 2004 10:34:40 -0500
> From: Jason Dusek <jason-dusek@uiowa.edu>
> Sender: owner-freebsd-mobile@freebsd.org
>
> Hi Everyone,
>
> I would like to know about the right way to set up wireless. I have
> Dell D600 with a Dell TrueMobile 1350 running CURRENT. Ndis works
> well, and I've written a shell script that brings up my wireless
> interface everytime that I boot. However, running wireless is still
> not very smooth. I have a host of problems:
>
> => If I leave a wireless zone and then hook-up an ethernet cord my
computer
> will not simply switch to the corded interface. I have to run
sysinstall.
> => If I boot up with the ethernet configured and then enter a
wireless zone, I
> can't simply switch to the wireless - I have to run sysinstall.
> => If I go from one wireless zone to another, I have to run
sysinstall.
> => Sometimes when I bring the wireless up in sysinstall, I get a
'page fault'
> and my system crashes.
>
> How do I get my machine to dynamically pick the interface that is
> working? And what do I do about these page faults? I have looked at
> the Handbook, etc., and while there is some useful information there I
> can't find anything that deals with changing one's interface on the
> fly.
OK. I give up. Why are you using sysinstall? I mean,this looks like a
very awkward.
I don't know of a way to do it dynamically, but something with devd
might be possible. The basic steps to switching are:
Disable old routes. (route flush)
Configure new interface. (This usually means restarting dhclient.)
Enable new routes. (May be a no-op as dhclient should do this.)
That should be it. You might want/need to turn down the old interface
with 'ifconfig INT down'.
I tool to do most of this for you is available at:
https://projects.fsck.ch/profile/
It's still in development, but generally works on current systems. It's
based on rcng, so it will not work on V4 systems.
--
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net Phone: +1 510 486-8634
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