In the following two subcommands, name_ADDRESS has four different meanings: the first is source, the second is destination, the third is translated source, and the fourth is translated destination.
add nat STATIC "name_ADDRESS" "name_ADDRESS" "name_ADDRESS" "name_ADDRESS"
add nat DYNAMIC "name_ADDRESS" "name_ADDRESS" "name_ADDRESS" "name_ADDRESS"
The following fields are optional and can be specified in any order after the nat keyword:
SCREEN "name_SCREEN"
COMMENT "comment string"