Multi-NAT 4-9
NAT rules
The following rules apply to assigning NAT ranges and ser ver lists:
•
Static public address ranges must not overlap other static, PAT, public addresses, or the public address
assigned to the Router’s WAN inter face.
•
A PAT public address must not overlap any static address ranges. It may be the same as another PAT
address or ser ver list address, but the por t range must not overlap.
You configure the ranges of exterior addresses by first adding public ranges.
Select
Add Public Range
and press Return.
The Add NAT Public Range screen appears.
•
Select
Range Name
and give a descriptive name to this range.
•
Select
Type
and from the pop-up menu, assign its type. Options are
static
,
dynamic
, or
pat
(the default).
•
If you choose pat as the range type, select
Public Address
and enter the exterior IP address in the
range you want to assign. Select
First
and
Last Public Port
and enter the first and last exterior por ts
in the range. These are the por ts that will be used for traffic initiated from the private LAN to the out-
side world.
Note:
For PAT map lists and ser ver lists, if you use the Public Address 0.0.0.0, the list will acquire its public IP
address from the WAN IP address specified by your WAN IP configuration in the Connection Profile. If that is a
static IP address, then the PAT map list and ser ver lists will acquire that address. If it is a negotiated IP
address, such as may be assigned via DHCP or PPP, the PAT map list and ser ver lists will acquire that address
each time it is negotiated.
•
If you choose dynamic as the range type, a new menu item,
First Public Address
, becomes visible.
Select
First Public Address
and enter the first exterior IP address in the range you want to assign.
Select
Last Public Address
and enter an IP address at the end of the range.
Add NAT Public Range
Range Name: my_first_range
Type... pat
Public Address: 206.1.1.6
First Public Port: 49152
Last Public Port: 65535
ADD NAT PUBLIC RANGE CANCEL
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