The 7210 SAS supports network access control of client devices (PCs, STBs, and others) on an Ethernet network in accordance with the IEEE 802.1x standard (Extensible Authentication Protocol (EAP) over a LAN network or EAPOL).
Layer 2 control protocols affect 802.1x authentication behavior differently depending on the protocol in use; see Layer 2 control protocol interaction with authentication methods for more information.