3com S7906E Instruccion De Instalación

 

1-4 

Figure 1-3 EAPOL packet format 

 

 

z 

PAE Ethernet type: Protocol type. It takes the value 0x888E. 

z 

Protocol version: Version of the EAPOL protocol supported by the EAPOL packet sender. 

z 

Type: Type of the EAPOL packet. 

 lists the types that the device currently supports. 

Table 1-1 Types of EAPOL packets 

EAP-Packet (a value of 0x00) 

A packet of this type is repackaged and 
transferred by RADIUS on the device to get 
through complex networks to reach the 
authentication server.  

EAPOL-Start (a value of 0x01)  

Packet for initiating authentication, present 
between a client and a device.  

EAPOL-Logoff (a value of 0x02)  

Packet for logoff request, present between a client 
and a device.  

 

z 

Length: Length of the data, that is, length of the Packet body field, in bytes. If the value of this field 

is 0, no subsequent data field is present. 

z 

Packet body: Content of the packet. The format of this field varies with the value of the Type field. 

An EAPOL packet of the type of EAP-Packet carries an EAP packet in its Packet body field. The format 

of the EAP packet is shown in 

Figure 1-4 EAP packet format 

0

15

Code

Data

Length

7

Identifier

2

4

N

 

 

z 

Code: Type of the EAP packet, which can be Request, Response, Success, or Failure. 

An EAP packet of the type of Success or Failure has no Data field, and has a length of 4.  

An EAP packet of the type of Request or Response has a Data field in the format shown in 

The Type field indicates the EAP authentication type. A value of 1 represents Identity, indicating that the