CCNA2020_WLC

Wireless Lan Controller

Access Point

like this

or like this

Embedded in AP

Description

802.11 (a/b/g/n/ac/ax)

https://github.com/QueenieCplusplus/CCNA2020_WirelessLAN#ieee-80211-標準的發展 (wi-fi5, wi-fi6)

Roaming

在無線網路的世界中， roam 是非常常見的，即『漫遊』。 是指不同電信以無縫接軌的方式，提供無線網路與終端使用者。

STA (接收無線網路的任何設備)

STA in networking means Station, in IEEE 802.11 (Wi-Fi) terminology, a STA is a device that has the capability to use the 802.11 protocol. For example, a station may be a laptop, a desktop PC, PDA, access point or Wi-Fi phone. An STA may be fixed, mobile or portable.

SSID (服務集合)

SSIS means Service Set Identifier 服務集合識別碼.

是區分無線網路的網域範圍。

範圍： （虛擬切割集合的）ESS > （依照 AP 數量而定的）BSS。