physical network connection的意思|示意

The Internet is used mainly by people with personal computers and a physical network connection.

互联网主要是给有个人电脑和物理网络连接的人使用的。

While Bridged networking requires a constant physical link to a network, NAT networking is much more flexible and mobile, even when working over your wireless or VPN connection.

桥接连网需要一条到网络的永久物理链路，而 NAT 连网灵活得多，在使用无线或 VPN 连接时甚至可以移动。

Alternate connection retry: If network interruption lasts more than two minutes, reconnect to another physical server or virtual machine via alternate network connections.

备用连接重试：如果网络中断持续时间超过2分钟，那么要通过备用网络连接重新连接到另一台物理服务器或虚拟机。

If it isn't, there may be a problem with the physical connection from the network adapter on your host to the gateway (for example, a faulty switch port, cable, network card).

如果无法到达这个网关，那么从您主机上的网络适配器到网关的物理连接可能有问题（例如交换机端口、线路和网卡有故障）。