Packet formats

EAP packet format

Figure 27 shows the EAP packet format.

Figure 26: EAP packet format

EAPOL packet format

Figure 28 shows the EAPOL packet format.

Figure 27: EAPOL packet format

Value

Type

Description

0x00

EAP-Packet

The client and the access device uses EAP-Packets to transport authentication information.

0x01

EAPOL-Start

The client sends an EAPOL-Start message to initiate 802.1X authentication to the access device.

0x02

EAPOL-Logoff

The client sends an EAPOL-Logoff message to tell the access device that the client is logging off.