[Serusers] NAT with multiple SERs

[Juha Heinanen]

Andreas Granig writes:

 > If so, it theoretically should work with transparent NAT handling on two 
 > SERs too, if both SERs know the external IP/port of UAC-1.

yes, but symmetric nat would not forward packets to uac from the ip
address of the other ser even if it sends them to the external ip/port
of the uac.

-- juha