You can create an access list of IP addresses that tells the router which computers on the network require NAT.

你可以创建一个 IP 地址的访问列表，告诉路由器网路中哪些计算机需要 NAT 。

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For example, consider a typical home network with four computers connected to a wireless access point (WAP) or router with an outbound connection through a cable or DSL modem.

例如，考虑一个典型的家庭网络，其中有四台计算机连接到无线访问点(WAP)，或者通过电缆或dsl调制解调器向外连接的路由器。

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Normally, only computers are directly connected to the router can gain access to the MAC address.

一般来说，只有直接连接到这台路由器的计算机才能访问这个MAC地址。

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And since computers connected to the Internet via broadband connections are a tempting target for the occasional troublemaking hacker, the router comes with a built-in firewall to help keep them out.

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