Nortel 8300 Reference Manual page 207

Message Unable to restore port -- to Vlan --
Severity ERROR
Description The system encountered an error while moving the 802.1X controlled port back to
its original VLAN after the user session was terminated. When the port received
802.1X authentication, it should have been assigned to the VLAN returned by the
RADIUS server.
Synopsis System error.
Action Report the problem.
Message Unable to restore port -- to Vlan --
Severity ERROR
Description System encountered error while moving back the 8021x controlled port to it's
original VLAN after the user session is terminated. [ the port should have been
assigned to VLAN returned by RADIUS server when it got 8021x authenticated.]
Synopsis System error
Action Report the problem
Message Unable to use any TACACS+ server for authentication
Severity INFO
Description TACACS+ authentication is enabled, but either no server is configured, or no
server accessible, or no server with not valid responses.
Synopsis Check servers configuration.
Action N/A
Message Unknown Card Type!
Severity INFO
Description This message is generated when the card type information is not available.
Synopsis N/A
Action Re-insert or replace the card.
Message Unknown code in request pkt<num>
Severity ERROR
Description This message is generated when there is an internal mismatch in the software for
the RADIUS packet code.
Synopsis Software error.
Action If the problem persists, contact customer service.
Chapter 4 SMP log error messages 207
System Messaging Platform Reference Guide