Experiences with ath(4)

Andrew Thompson andy at fud.org.nz
Sat Jul 5 13:28:47 PDT 2003

On Sun, 2003-07-06 at 05:30, Lukas Ertl wrote:
> On Sat, 5 Jul 2003, Lukas Ertl wrote:
> > *) Finally, there seems to be a problem with interaction between the AP
> > and my ADSL router (I'm not sure if this is a FreeBSD problem, I need to
> > test with WinXP too). My LAN looks something like this:
> >
> >    WLAN Client )))  ((( AP --- Switch --- ADSL router
> >                                  |
> >                                  |
> >                          other hosts in LAN
> >
> > The ADSL router (a Speedtouch 510) does NAT. Everything seems to work
> > fine, but after some time, all connections from the WLAN client to the
> > outside world have died. I can connect to the other hosts in the LAN just
> > fine, though, and there are no further messages in the log files.
> > The quickest way to make it work again, is pulling the card out and plug
> > it back it. Any ideas?
> Ok, I've investigated this further. The strange thing is: whenever the
> connections to the outside drop, I can ping and connect to any host in my
> LAN (, but I _cannot_ ping from the WLAN client,
> which is the inside interface of the ADSL router and thus the default
> route. I can't explain why. "ifconfig ath0 down && ifconfig ath0 up"
> solves this lock-up. Could this be a driver bug?

You could look at 'arp -a' and 'route get' to make sure its
sending to the right mac address and out the right interface.


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