bridge problem II

[Nolan Orwan]

I also have a bridge/firewall problem that I can't figure out.

My bridge/firewall box has two interface cards (NICs), one facing in and 
the other facing out. The inside NIC has an ip address of 10.1.1.10 and 
the outside one does not.  Bridging works fine as between the inside 
subnet and the outside, meaning that boxes on the inside can communicate 
through the bridge to the outside and also communicate with the 
bridge/firewall box via its inside NIC.

The problem is I can't figure out what ipfw rule or rules will allow the 
inside NIC to send and receive traffic to the outside.  Can this even be 
done?

Tim

P.S.

I'm using the generic 4.8 kernel with its standard ipfw, dummynet, and 
bridge kernel modules.