HP 1910 User Manual page 368

If the client is using only MD5-Challenge EAP authentication or the "username + password" EAP
•
authentication initiated by an HP iNode 802.1X client, you can use both EAP termination and EAP
relay. To use EAP-TL, PEAP, or any other EAP authentication methods, you must use EAP relay.
Packet exchange method
EAP relay
EAP termination
EAP relay
Figure 322
EAP-MD5 is used.
Benefits
•
Supports various EAP
authentication methods.
•
The configuration and processing is
simple on the network access
device.
Works with any RADIUS server that
supports PAP or CHAP authentication.
shows the basic 802.1X authentication procedure in EAP relay mode, assuming that
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Limitations
The RADIUS server must support the
EAP-Message and
Message-Authenticator attributes,
and the EAP authentication method
used by the client.
•
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.