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I hope the information I provide will be of use. I use OpenBSD on Soekris=20
boxes for a wireless link supporting a NetBSD workstation. I believe the=20
stuff is pretty much the same.

I set the link up with a combination of ifconfig and wicontrol. "ifconfig -=
m=20
wi0" will show the media option on wi0 you can set.

I use IBSS since mine is a point-to-point link. One station must be set up =
as=20
an IBSS master:

ifconfig wi0 192.168.1.25 netmask 255.255.255.252 nwid WecgesLi media=20
autoselect mediaopt ibss-master

and the other:

ifconfig wi0 inet 192.168.1.26 netmask 255.255.255.252 nwid WecgesLi media=
=20
autoselect mediaopt ibss

wicontrol is used to set the frequency and access point density:

wicontrol -f 6 -a 1

On Tuesday 20 January 2004 03:31 pm, you wrote:
> It may be that I'm just blind, so please strike gently with the
> clue-by-four:
>
> I've got a couple of boxes connected by a wireless link (wi interfaces,
> NetBSD-1.6ZG on both ends), and I've been playing with my various
> options to try and get the best performance I can.
>
> I've read over the wi(4), ifconfig(8), ifmedia(4), and wiconfig(8)
> man pages, and I'm trying to find how to hardwire certain
> things in the new world order where most settings are done in
> ifconfig rather than wiconfig.  (To give you a hint on the last
> time I played around seriously with this stuff, it was about
> the time the "wavelan" page on the netbsd website was originally written,
> and *it* references 1.4G).
>
>
> I want to get these talking well in adhoc mode (because bridging doesn't
> seem to work right with a wi interface in host mode), but I'd also
> like to get better control.  ISTR that with 'wiconfig', I could force
> an interface to transmit at a particular speed (1,2,5.5,11), but
> when I use the 'media' option of ifconfig, it seems to set the
> speed, but then ignore it and negotiate down to DS2 anyway.  (yes,
> I know that it's probably because of interference.  Can't I force it
> anyway?  Just to see how bad it really is?)
>
> for example, here's the ifconfig output of one side:
>
> wi0:
> flags=3D8b63<UP,BROADCAST,NOTRAILERS,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MUL=
TICA
>ST> mtu 1500 nwid BlahBlah
>         powersave off
>         bssid 02:02:00:a7:0d:23 chan 11
>         address: 00:02:6f:03:fd:dc
>         media: IEEE802.11 DS11 adhoc (DS2 adhoc)
>         status: active
>         inet6 fe80::202:6fff:fe03:fddc%wi0 prefixlen 64 scopeid 0x4
>
> ... but wiconfig shows I still have the TX speed set to '0' (autoselect):
>
> TX rate (selection):                    [ 0 ]
> TX rate (actual speed):                 [ 2 ]
>
>
>
> Also, how do I control how the IBSS is set up?  For example, I can't seem
> to change what channel it uses unless I set *both* sides down, change
> the channel on one, then bring it up first.  (this could be a problem when
> my only access to the far end is via the interface I just shut down)
>
>
> Sorry for blithering on like this... just hoping someone can help.
>
> Thanks,
> +j

=2D --=20

John R. Shannon
john@johnrshannon.com
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