FS710 series- 802.1x auth with EAPOL passthrough When 802.1x authentication is executed, EAPOL packets is sent from supplicant. However if the switch does not support EAPOL passthrough, EAPOL & EAP packets is forwarded to Authenticator. As a result, authentication does not start. FS710 series supports EAPOL passthrough, so it is suitable as HUB when using 802.1x auth with EAP.