3-15. SECURITY------------------------------------------------------------------------------------------------------------------128
3-18. DIAGNOSTICS ------------------------------------------------------------------------------------------------------------145
3-19. TFTP SERVER--------------------------------------------------------------------------------------------------------------148
3-20. LOG --------------------------------------------------------------------------------------------------------------------------149
3-21. FIRMWARE UPGRADE -------------------------------------------------------------------------------------------------151
3-22. REBOOT --------------------------------------------------------------------------------------------------------------------152
3-23. LOGOUT --------------------------------------------------------------------------------------------------------------------153
4-1. CLI MANAGEMENT-------------------------------------------------------------------------------------------------------154
4-1-1. LOGIN ----------------------------------------------------------------------------------------------------------------------154
4-2. COMMANDS OF CLI ------------------------------------------------------------------------------------------------------156
5. MAINTENANCE--------------------------------------------------------------------------------------------------------------249
5-2. Q&A ---------------------------------------------------------------------------------------------------------------------------249
2