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8.1.5 NAT Mapping Types
NAT supports five types of IP/port mapping. They are:
•
One to One: In One-to-One mode, the ADSL Router maps one local IP
address to one global IP address.
•
Many to One: In Many-to-One mode, the ADSL Router maps multiple
local IP addresses to one global IP address.
•
Many to Many Overload: In Many-to-Many Overload mode, the ADSL
Router maps the multiple local IP addresses to shared global IP addresses.
•
Many-to-Many No Overload: In Many-to-Many No Overload mode, the
ADSL Router maps each local IP address to a unique global IP address.
•
Server: This type allows you to specify inside servers of different services
behind the NAT to be accessible to the outside world.
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