SMC Networks ADSL Barricade SMC7204BRA User Manual page 75

Follow the folowing instructions to add a BASIC rule (see steps
1-4 under The NAPT Rule for specific instructions corresponding
to steps 1 and 2 below):
1. Display the [NAT Rule – Add] Page, select [BASIC] as the
[Rule Flavor:], and enter a [Rule ID:].
2. Select the interface on which this rule will be effective.
3. Select a [Protocol:] to which this rule applies, or choose
[ANY].
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).
Adding NAT Rules
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