The following is a list of authentication failure messages that appear on the IP Deskphone screen
when a failure occurs during the operation of the IP Deskphone:
• EAP Authenticate-Fail—happens when the IP Deskphone fails to authenticate to an
authentication server; the message applies for the three EAP methods: EAP-MD5, EAP-PEAP,
and EAP-TLS.
• EAP Authenticate-Timeout—happens after the third time the IP Deskphone fails to authenticate
to an authentication server and the IP Deskphone is connected to an EAP disabled port on the
Layer 2 switch.
For EAP failures logged in the security log, see
Diagnostic logs on page 278.
Certificate-based authentication
280 SIP Software for Avaya 1200 Series IP Deskphones-Administration March 2015
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