当移动设备访问互联网海量资源时，它们必须配置唯一的IP地址，才通过网关与对应节点通信。
When some mobile devices need to get a lot of resources from the Internet, they must be configured a unique IP address, and maintain communications with the corresponding nodes through the gateway.
在办公室，移动宽带网络可以配置为自动故障转移和恢复以太网广域网端口，如果失去互联网连接连接思科WRP400。
At the office, the mobile broadband network can be configured on the Cisco WRP400 as an auto-failover and recovery connection if the Ethernet WAN port loses Internet connectivity.
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