All they do is pass the authentication information between the client and the authentication server.
#What does 802.11b/g/n mean how to
After the end user logs off, the virtual port being using is changed back to the unauthorized state.Ī benefit of 802.1x is the switches and the access points themselves do not need to know how to authenticate the client. Before a switch forwards packets through a port, the attached devices must be authenticated.
In a wired network, switches use 802.1x in a wired network to implement port-based authentication. In order to connect to the access point, a wireless client must first be authenticated using WPA. In a wireless network, 802.1x is used by an access point to implement WPA.