53
This is equivalent to SUA (i.e., PAT, port address translation), Billion's Single User
Account feature that previous Billion routers supported only.
M-M Ov
(Overload): Many-to-Many Overload mode maps multiple local IP addresses
to shared global IP addresses.
MM No
(No Overload): Many-to-Many No Overload mode maps each local IP address
to unique global IP addresses.
Server
: This type allows you to specify inside servers of different services behind the
NAT to be accessible to the outside world.
Back
Click
Back
to return to the
NAT Mode
screen.
7.7 Editing an Address Mapping Rule
To edit an address mapping rule, click the rule’s link in the NAT Address Mapping Rules screen
to display the screen shown next.
The following table describes the labels in this screen.
LABEL
DESCRIPTION
Type
Choose the port mapping type from one of the following.
1.
One-to-One
: One-to-One mode maps one local IP address to one global IP
address. Note that port numbers do not change for One-to-one NAT mapping type.
2.
Many-to-One
: Many-to-One mode maps multiple local IP addresses to one
global IP address. This is equivalent to SUA (i.e., PAT, port address translation),
Billion's Single User Account feature that previous Billion routers supported only.
3.
Many-to-Many Overload
: Many-to-Many Overload mode maps multiple local IP
addresses to shared global IP addresses.
4.
Many-to-Many No Overload
: Many-to-Many No Overload mode maps each
