Black Box LEV2525A - Page 11

MNS-BB Software User Guide
-IX-
19.2 Web: View and Configure Alarms ..............................................................................................................102
20.0 SMTP (SIMPLE MAIL TRANSFER PROTOCOL).................................................................................. 103
20.1 Email Alert Features....................................................................................................................................103
20.2 CLI...............................................................................................................................................................103
20.3 Web: View and Configure SMTP Relay ..................................................................................................... 105
21.0 802.1X - PORT BASED NETWORK ACCESS CONTROL...................................................................... 106
21.1 Introduction ................................................................................................................................................. 106
21.2 Overview .....................................................................................................................................................106
21.3 Protocol Operation.......................................................................................................................................107
21.4 CLI...............................................................................................................................................................108
21.5 Web: View and Configure 802.1x............................................................................................................... 116
22.0 TACACS+ (TERMINAL ACCESS CONTROLLER ACCESS CONTROL SYSTEM) .........................117
22.1 Introduction ................................................................................................................................................. 117
22.2 History......................................................................................................................................................... 117
22.3 Overview .....................................................................................................................................................117
22.4 LE2425A / LEV2525A TACACS+.............................................................................................................117
22.5 Packet Encryption........................................................................................................................................ 120
22.6 CLI...............................................................................................................................................................120
22.7 Web: View and Configure 802.1x............................................................................................................... 121
23.0 TROUBLESHOOTING................................................................................................................................122
23.1 Overview .....................................................................................................................................................122
23.2 Troubleshooting Approaches.......................................................................................................................122
23.3 Console Access Problems............................................................................................................................ 122
23.4 Unusual Network Activity........................................................................................................................... 122
23.5 General Problems ........................................................................................................................................123
23.5.1 Duplicate IP Addresses....................................................................................................................... 123
23.5.2 SNTP or Gateway Problems ...............................................................................................................123
23.6 Using the Event Log To Identify Problem Sources.....................................................................................123
23.7 Web: Viewing the Event Log ...................................................................................................................... 126
23.7.1 Events Severity (Color Scheme).........................................................................................................126
23.8 Diagnostic Tools..........................................................................................................................................126
23.8.1 Ping Test............................................................................................................................................. 126
23.8.2 CLI: Ping Test..................................................................................................................................... 127
23.9 CLI Administrative and Troubleshooting Commands.................................................................................127
APPENDIX A..............................................................................................................................................................128
Daylight Savings Time on LE2425A and LEV2525A Switches ..............................................................................128
List of valid country codes to set daylight settings................................................................................................... 128
APPENDIX B .............................................................................................................................................................. 128
How to Upgrade........................................................................................................................................................128
Upgrade over the Network........................................................................................................................................ 131
Boot Code Upgrade ..................................................................................................................................................131