Access Point

Access Point is used to pass the wireless data from air to wired network and vice versa.

Similar to a wired network, the AP make connections to wireless clients.

An access point can be used as a wireless link between two LANs.

An AP controls the clients which want to access the wireless LAN.

Any client wants to use the wireless LAN should first make a connection with the AP.

AP can enable open access to it can enable authentication on the wireless LAN.

Many parameters of WLAN can be configured using the AP. An AP can be configured for specific data rates, security parameters, and passwords.

AP maps a VLAN to SSID. This can be explained in the below figure.

 Single VLAN and one SSID




If there are multiple VLANS then they will be mapped multiple SSIDs.