Where do you define NAT properties so that NAT is performed either client side or server side?

Where do you define NAT properties so that NAT is performed either client side or server side?

A.
In SmartDashboard under Gateway setting

B.
In SmartDashboard under Global Properties > NAT definition

C.
In SmartDashboard in the NAT Rules

D.
In file $DFWDIR/lib/table.def