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Configuring Network Address Translation
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This selection specifies which type of Internet communication
will be subject to this translation rule. You can select [ANY] if
the rule applies to all data. Or, select [TCP], [UDP], [ICMP], or
a number from [1-255] that represents the Internet Assigned
Numbers Authority (IANA)-specified protocol number.
4. In the [Local Address From:] and [Local Address To:] fields,
type the starting and ending IP addresses that identify the
range of private address you want to be translated.
Or, type the same address in both fields.
If you specify a range, each address will be translated
in sequence to a corresponding address in a range of
Global Addresses (which you specify in step 5).
You can create a BASIC rule for each specific address
translation to occur. The range of addresses should correspond
to private addresses already in use on your network, whether
assigned statically to your PCs, or assigned dynamically
using DHCP.
5. In the [Global Address From:] and [Global Address To:] fields,
type the starting and ending address that identify the pool
of public IP addresses that the private addresses should
be translated to. Or, type the same address in both fields
(if you also specified a single address in step 4).
6. Follow steps 8-12 under The NAPT Rule on page 70
to submit your changes.