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Rule Index: Choose the rule number.
Rule Type:
One-to-one: This is the mode maps one local IP address to one global IP address. Note that
port numbers do not change for the One-to-one NAT mapping type.
Many-to-One: This is the mode maps multiple local IP addresses to one global IP address.
This is equivalent to Many to One (i.e., PAT, port address translation).
Many-to-Many Overload: This is mode maps multiple local IP addresses to shared global IP
addresses.
Many-to-Many No Overload: This is the 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.
Local Start IP: This is the starting Inside Local IP Address (ILA). Local IP addresses are
N/A for Server port mapping.
Local End IP: This is the end Inside Local IP Address (ILA). If your rule is for all local IP
addresses, then enter 0.0.0.0 as the Local Start IP address and 255.255.255.255 as the
Local End IP address. This field is N/A for One-to-one and Server mapping types.
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