[HCIA continuous update] WLAN overview and basic concepts

WLAN Overview and basic concepts

What is? VLAN

1、WLAN namely Wireless LAN, Refers to the wireless local area network constructed through wireless technology .WLAN Broadly speaking, it refers to radio waves 、 laser 、 Infrared and other wireless signals to replace part or all of the transmission media in the wired LAN network

2、 adopt WLAN technology , Users can easily access the wireless network , And in the wireless network coverage area, only mobile , Completely get rid of the shackles of wired network

IEEE 802.11、WLAN And Wi—Fi

Wireless side networking concept ：BSS/SSID/BSSID

Wireless side networking concept ：VAP

Wireless networking concept ：ESS