Network Address and Port Translation 网络地址与端口转换
As you can see, the NAT router stores the IP address and port number of each computer in the address translation table.
正如你所见， NAT 路由器将每台计算机的 IP 地址和端口号都存储在地址转换表中。
Since the NAT router now has the computer's source address and source port saved to the address translation table, it will continue to use that same port number for the duration of the connection.
由于nat路由器现在已经拥有了这台计算机保存在地址转换表中的的源地址和源端口号，它将会在有效期内继续使用同一个端口号进行转换。
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