HP 1920 Series User Manual page 339

EAP relay
Figure 306
EAP-MD5 is used.
Figure 306 802.1X authentication procedure in EAP relay mode
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Packet exchange method
EAP termination
shows the basic 802.1X authentication procedure in EAP relay mode, assuming that
When a user launches the 802.1X client software and enters a registered username and password,
the 802.1X client software sends an EAPOL-Start packet to the network access device.
The network access device responds with an Identity EAP-Request packet to ask for the client
username.
In response to the Identity EAP-Request packet, the client sends the username in an Identity
EAP-Response packet to the network access device.
The network access device relays the Identity EAP-Response packet in a RADIUS Access-Request
packet to the authentication server.
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Benefits
Works with any RADIUS
server that supports PAP or
CHAP authentication.
326
Limitations
•
Supports only MD5-Challenge EAP
authentication and the "username +
password" EAP authentication initiated by
an HP iNode 802.1X client.
•
The processing is complex on the network
access device.