Date: Mon, 25 Jun 2001 12:34:16 +0100 From: "Duncan Barclay" <dmlb@dmlb.org> To: "list tracker" <list_tracker@hotmail.com>, <ambrisko@ambrisko.com> Cc: <hackers@freebsd.org> Subject: Re: trouble with 802.11 and kernel bridging (more) Message-ID: <00a901c0fd6a$c44375d0$b36020c2@pc598cam> References: <F156NH2cv0aGltFBNlJ00001ece@hotmail.com>
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----- Original Message -----
From: "list tracker" <list_tracker@hotmail.com>
To: <ambrisko@ambrisko.com>
Cc: <hackers@freebsd.org>
Sent: Monday, June 25, 2001 3:27 AM
Subject: Re: trouble with 802.11 and kernel bridging (more)
>
> ok, thank you! This explains my inability to perform bridging like I
> expected to....
>
> >I've been told the "wi" driver can't do bridging. The Cisco/Aironet
> >"an" driver can. Patches were submitted so you can do this. They are
> >in the tree.
>
> If I want to turn a PC into a full-blown "access point", should I set
> wicontrol to peer to peer (3) or BSS (1) ?
As Julian said an AP is very different to a standard station in either IBSS
or BSS mode.
If you want to:
have a FreeBSD box with a card in it
get the FreeBSD box to be a bridge/router between multiple wireless
users and wired networks
then
Set the card into IBSS mode
Turn on "create BSS" (if it works)
Either:
Use BRIDGEing
Take a wired n/w performance hit
Or Use routing and set two subnets up
Turn on ipforwarding in /etc/rc.conf
Make's moving a node from wired to wireless a little harder.
I use IBSS and routing at home (with DHCP on a short timeout) to create
seperate wired and wireless IP subnets. The FreeBSD box routes between the
two and the external Cable Modem seamlessly.
What disadvantages does this setup have compared with using a true access
point? True APs can double the range for two
wireless stations (the hidden node problem) - if both stations can see the
AP but not each other they can still do peer to peer networking. True APs
allow roaming between APs in an extended service set. True APs can do power
saving to stations.
I contend that the above are not necessary for a typical home user. An IBSS
network with IP routing will serve many home users.
> Secondly, should I turn on the "create BSS" (I am almost positive I
should)
> - but this leads me to:
>
> thirdly, are the fixes that allow wi to "create BSS" also "in the tree" ?
> or does the man page warning that it does not work still valid ?
>
> (I was using 4.3-RELEASE, btw)
>
> thanks.
>
> LT
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