Wireless Bridge in FreeBSD 6.1

[Kevin Downey]

On 3/15/07, Sung Park <compara at gmail.com> wrote:
> How about EoIP tunnel to establish wireless bridge?  Is it possible?  How
> about other tunnels? Do you have any suggestion to make it possible in
> FreeBSD?
>
> Thank you
>
> On 3/13/07, Kevin Downey <redchin at gmail.com> wrote:
> >
> > On 3/13/07, Sung Park <compara at gmail.com> wrote:
> > > I'm having trouble to bridge two wireless card which is Atheros AR5213A
> in
> > > FreeBSD 6.1.  I try to make transparent bridge in these two wireless
> card.
> > >
> > > I compiled BRIDGE in kernel and I put
> > >
> > > net.link.ether.bridge=1
> > > net.link.ether.bridge_cfg=*ath0*,*ath1*
> > > net.link.ether.bridge_ipfw=1
> > >
> > > in sysctl.conf.
> > >
> > > Following diagram is what I did it.
> > >
> > > (192.168.0.1)Ath0----Ath0,Ath1( 192.168.0.2)----Ath0(192.168.0.100)
> > >
> > > Left unit is wireless router. Middle unit is transparent bridge. Right
> unit
> > > is client.  I set up like this.  Ath0 of left unit is AP. Ath0 of middle
> > > unit is Station.  Ath1 of middle unit is AP. Ath0 of right unit is
> Station.
> > > I can ping from 192.168.0.100 to 192.168.0.2 but I can't ping from
> > > 192.168.0.100 to 192.168.0.1.
> > >
> > > I tested wired LAN bridge with same configuration. It works well.
> > >
> > > Anyone has idea about this or has same problem. Please, help me. Any
> kind of
> > > information will save me.
> >
> > My understanding is that because of how the 802.11 is designed, this
> > sort of setup is not possible using ethernet bridging code(if_bridge
> > and friends) if you are using infrastructure mode and a-hoc mode is
> > kind of slow. WDS may be waht you are looking for but I don't know if
> > FreeBSD supports it yet..
> >

I would read the manpage for the gif interface, it may be what you are
looking for

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