Packet Formats - HP 1910 User Manual

Packet formats

EAP packet format
Figure 316 shows the EAP packet format.
Figure 316 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, which 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 317 shows the EAPOL packet format.
Figure 317 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 supports.
Table 104 Types of EAPOL packets
Value
0x00
0x01
7
Identifier
Length
Data
Type
EAP-Packet
EAPOL-Start
15
2
4
N
Table 104 lists the types of EAPOL packets that the 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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