Hello, 

in my quest to silence a misbehaving wifi access point spamming the log
files by getting dhcp leases it does not accept I tried the following to
be able to "ifconfig bridge2 rule block in on em2 src ...":

wlan_ap
       \ 
        em(4)          (up)
           \
            bridge(4)  (add vether2, add em2)
           /
        vether(4)      (up)
           \           
            carp(4)    (carpdev vether2, ip address, ...)
                \
                 pf etc.

Thanks for the documentation in the FAQ and man pages!

Once I enabled the changes, tcpdump(8) showed only inbound traffic on
em(4), no more outbound packets. I had to revert quickly to keep people
online. 

The wifi access point currently cannot be just replaced. It works in all
other aspects but getting a dhcp lease for itself.

Am I getting the concept wrong? Any pointers?

Thanks in advance for any hints, clue sticks, ...

Marcus

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