Packet Formats - HP 1910 User Manual

Packet formats

EAP packet format
Figure 319 shows the EAP packet format.
Figure 319 EAP packet format
0
Code
Code—Type of the EAP packet. Options include Request (1), Response (2), Success (3), or Failure
•
(4).
Identifier—Used for matching Responses with Requests.
•
• Length—Length (in bytes) of the EAP packet. The length is the sum of the Code, Identifier, Length,
and Data fields.
Data—Content of the EAP packet. This field appears only in a Request or Response EAP packet. The
•
field comprises the request type (or the response type) and the type data. Type 1 (Identify) and type
4 (MD5-challenge) are two examples for the type field.
EAPOL packet format
Figure 320 shows the EAPOL packet format.
Figure 320 EAPOL packet format
PAE Ethernet type—Protocol type. It takes the value 0x888E for EAPOL.
•
• Protocol version—The EAPOL protocol version used by the EAPOL packet sender.
Type—Type of the EAPOL packet.
•
implementation of 802.1X.
Table 103 Types of EAPOL packets
Value
0x00
0x01
7
Identifier
Length
Data
Type
EAP-Packet
EAPOL-Start
15
2
4
N
Table 103 lists the types of EAPOL packets supported by HP
Description
The client and the network access device uses EAP-Packets to transport
authentication information.
The client sends an EAPOL-Start message to initiate 802.1X
authentication to the network access device.
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