After further testing I have found 2 issues pertaining to my problem.
a. ) MAC on returning packets from box are that of the vlan199 parent
interface's instead of that of the other em0 interface.
b.) The dns responses are leaving the box on the vlan, but the dst port
number is getting scrambled
I'm trying to setup a machine that will be both routing traffic and
bridging 2 segments of one network with ipfw processing on that bridged
network. The routing seems to be OK and bridging is also OK from Side to
side, however when trying to talk to the IP of the machine from another
machine on
