Administrator Guide

Removing a Command from EXEC Mode..................................................................................................................58
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................... 58
Allowing Access to CONFIGURATION Mode Commands....................................................................................... 58
Allowing Access to Different Modes...........................................................................................................................58
Applying a Privilege Level to a Username...................................................................................................................60
Applying a Privilege Level to a Terminal Line............................................................................................................. 60
Configuring Logging............................................................................................................................................................60
Audit and Security Logs................................................................................................................................................60
Configuring Logging Format ................................................................................................................................ 62
Display the Logging Buffer and the Logging Configuration.....................................................................................62
Setting Up a Secure Connection to a Syslog Server.......................................................................................63
Sending System Messages to a Syslog Server..........................................................................................................64
Track Login Activity............................................................................................................................................................ 64
Restrictions for Tracking Login Activity......................................................................................................................64
Configuring Login Activity Tracking............................................................................................................................ 64
Display Login Statistics................................................................................................................................................. 65
Limit Concurrent Login Sessions.......................................................................................................................................66
Restrictions for Limiting the Number of Concurrent Sessions................................................................................66
Configuring Concurrent Session Limit........................................................................................................................ 66
Enabling the System to Clear Existing Sessions........................................................................................................67
Enabling Secured CLI Mode...............................................................................................................................................67
Log Messages in the Internal Buffer.................................................................................................................................68
Disabling System Logging...................................................................................................................................................68
Sending System Messages to a Syslog Server............................................................................................................... 68
Configuring a UNIX System as a Syslog Server........................................................................................................ 68
Changing System Logging Settings..................................................................................................................................69
Display the Logging Buffer and the Logging Configuration...........................................................................................69
Configuring a UNIX Logging Facility Level....................................................................................................................... 70
Synchronizing Log Messages............................................................................................................................................. 71
Enabling Timestamp on Syslog Messages.........................................................................................................................71
File Transfer Services..........................................................................................................................................................74
Enabling the FTP Server...............................................................................................................................................74
Configuring FTP Server Parameters...........................................................................................................................74
Configuring FTP Client Parameters............................................................................................................................ 75
Terminal Lines...................................................................................................................................................................... 75
Denying and Permitting Access to a Terminal Line...................................................................................................75
Configuring Login Authentication for Terminal Lines................................................................................................76
Setting Timeout for EXEC Privilege Mode.......................................................................................................................77
Using Telnet to get to Another Network Device.............................................................................................................78
Lock CONFIGURATION Mode...........................................................................................................................................78
LPC Bus Quality Degradation.............................................................................................................................................79
Restoring the Factory Default Settings............................................................................................................................79
Restoring Factory Default Environment Variables.................................................................................................... 80
Viewing the Reason for Last System Reboot...................................................................................................................81
5 802.1X.......................................................................................................................................82
Port-Authentication Process............................................................................................................................................. 83
EAP over RADIUS..........................................................................................................................................................84
Configuring 802.1X..............................................................................................................................................................84
Important Points to Remember.........................................................................................................................................85
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