求翻译：而交换机、路由器作为现代网络中至关重要的连接设备，它们的安全问题更应该引起我们的注意。本设计通过构建实际的拓扑图，来研究与交换机和路由器有关的网络安全问题。是什么意思？

The switch, a router is essential in modern networks to connect devices, their safety should arouse our attention. This design builds the actual topology, to study with the switches and routers on the network security issues.

正在翻译，请等待...

But the switchboard, the router took in modern network very important interconnection equipment, their security problem should bring to our attention.This design through the construction actual analysis situs chart, studies and the switchboard with the router related network security question.

Switches, routers, as vital in the modern network connection device, they should be a cause of security issues to our attention. This design by building a practical topology to research of network security problems associated with switches and routers.

The switch, a router is essential in modern networks to connect devices, their safety should arouse our attention. This design builds the actual topology, to study with the switches and routers on the network security issues.