Hi大家好，歡迎來到Cyber Simon的IT課堂。

本課程定位于初級，可以作爲您CCNA的預熱課程。您可以瞭解到Cisco公司、Cisco IOS的發展歷史以及IOS、IOS-XR、IOS-XE、NX-OS系統之間的區別。

課程中詳細講解了IOS的系統結構，不同配置模式的作用，IOS中的快捷鍵、管道和通配符的使用方法，通過基礎的命令配置引入Static靜態路由的詳解，包裹Static三種配置方法的異同；Floating Static Route浮動靜態路由的作用；CEF、ProcessSwitching和Fast Switching之間的區別；Static的遞歸表查詢；ip sla工具在Static中的應用等。

相信通過本課程的學習，大家一定可以熟練掌握Cisco IOS的使用方法，助大家在學習備考CCNA，CCNP的路上一臂之力！

Hi everyone, welcome to Cyber Simon's IT Lab.

This course is designed to be a beginner's course and can be used as a warm-up for your CCNA. You can learn about Cisco, the history of Cisco IOS and the differences between IOS, IOS-XR, IOS-XE and NX-OS systems.

The course explains in detail the system structure of IOS, the role of different configuration modes, IOS shortcuts, pipelines and wildcards in the use of the method, through the basic configuration of the command to introduce the Static static route details, wrapped in the Static the similarities and differences between the three configuration methods; Floating Static Route Floating Static Route; the role of the CEF, ProcessSwitching and Fast Switching; Static recursive table query; ip sla tool in the Static application.

I believe that through the learning of this course, you will be able to familiarize yourself with the use of Cisco IOS, to help you learn to prepare for the CCNA, CCNP on the road to help!