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）。
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).
一种连接到交换机的客户线路，这种交换机不是通常按照客户希望在相关通信处提供服务的交换机。
A subscriber 's line connected to an exchange other than the one that would normally provide service at the relevant address, usually in accordance with the subscriber' s wishes.
本地连接里程指的是基于与电话总局的里程、针对专用(非交换)线路的重复使用的收费考虑因素。
Local Access mileage refers to a recurring charge rate element for dedicated (non-switched) private lines that are based on mileage to the Central Office.
一种典型的WAN由称为信息包交换机的电子设备通过通信线路连接而成。
A typical WAN consists of electronic devices called packet switches interconnected by communication lines.
在现实中，被称为无线路由器linksys的WRT310N，而且它也连接到交换机，连接到互联网上。
In reality, the wireless router is called Linksys WRT310N and it's also connected to a switch, which connects to the Internet.
在现实中，被称为无线路由器linksys的WRT310N，而且它也连接到交换机，连接到互联网上。
In reality, the wireless router is called Linksys WRT310N and it's also connected to a switch, which connects to the Internet.
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