Linux virtual interfaces introduction

[liuhangbin]

https://liuhangbin.netlify.com/post/virtual-ifaces/

Introduction In this post I will give a brief introduction for all commonly used virtual interfaces. There is no code analysis. Only brief introduction and the usage on Linux. So anyone with a network background could have a look at this blog post. The interface list can be obtained with the command ip link help.
The first part is some frequently used interfaces and some interfaces that can be easily confused with one another.