You know forwarding addresses are supposed to be confidential. I really shouldn't be doing this.

你知道的，转发地址可是机密啊。我真的不应该这样做。

For most situations, you should set the forwarding addresses to those of your ISP to allow Internet addresses to be resolved.

对于大多数情况，您应该将转发地址设置为isp的地址，以实现Internet地址的解析。

It also presents a friendly list of these addresses, to make forwarding all that much easier.

这也让我们可以看到一长串看起来很亲切的地址，也让转发更方便了。

IP forwarding works in layer 3, using the address of each input packet to decide how to forward it; that is to say, forwarding is based on IP addresses.

IP转发工作在第三层，利用每个输入包的地址来决定如何转发包，转发的依据是IP地址。