Adding NAT Rules

Figure 22. NAT Rule-Add Page (NAPT Flavor)

4.Enter a [Rule ID:]. The Rule ID determines the order in which rules are invoked (the lowest numbered rule is invoked first, and so on). If you define two or more rules that act on the same set of IP addresses, be sure to assign the Rule ID so that the higher priority rules are invoked first. It is recommended that you specify Rule IDs as multiples of 5 or 10 so that, in the future, you can insert a rule between two existing rules.

Once a data packet matches a rule, the data is acted upon according to that rule and is not subjected to higher-numbered rules.

5.From the [IF Name:] drop-down list, select the interface on the device to which this rule applies. Typically, NAT rules are used for communication between your LAN and the Internet. Because the device uses the WAN interface (which may be named [ppp-0], [eoa-0], or [ipoa-0]) to connect your LAN to your ISP, it is the usual IF Name selection.

6.In the [Local Address From:] field and [Local Address To:] fields, type the starting and ending IP addresses, respectively,

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SMC Networks SMC7204BRA manual Adding NAT Rules, NAT Rule-Add Page Napt Flavor