Eap Over Lans - 3Com Baseline 2928 PWR Plus User Manual

Control direction
In the unauthorized state, the controlled port can be set to deny traffic to and from the client or just the
traffic from the client.
Currently, your device can only be set to deny traffic from the client.

EAP over LANs

EAPOL frame format
EAPOL, defined in 802.1X, is intended to carry EAP protocol packets between clients and devices over
LANs. Figure 1-3
Figure 1-3 EAPOL frame format
PAE Ethernet type: Protocol type. It takes the value 0x888E.
Protocol version: Version of the EAPOL protocol supported by the sender.
Type: Type of the EAPOL frame.
Table 1-1 Types of EAPOL frames
Type
EAP-Packet (a value of 0x00)
EAPOL-Start (a value of 0x01)
EAPOL-Logoff (a value of 0x02)
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.
Packet body: Content of the packet. The format of this field depends on the value of the Type field.
shows the EAPOL frame format.
Table 1-1
Packet for carrying authentication information, present between
the device and the authentication server.
A packet of this type is repackaged and transferred by RADIUS
on the device to get through complex networks to reach the
authentication server.
Packet for initiating authentication, present between a client and
the device.
Packet for the logoff request, present between a client and the
device.
lists the types that the device currently supports.
Description
1-3