ZyXEL Communications ES-2024A, Руководство пользователя

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ES-2024A User’s Guide
Chapter 22 Access Control 119
C
H A P T E R
22
Access Control
This chapter describes how to control access to the switch.
22.1 Overview
• A console port access control session and Telnet access control session cannot coexist.
The console port has higher priority. If you telnet to the switch and someone is already
logged in from the console port, then you will see the following message.
Figure 65 Console Port Priority
• A console port or Telnet session can coexist with one FTP session, up to five Web
sessions (five different usernames and passwords) and/or limitless SNMP access control
sessions.
22.2 The Access Control Main Screen
Click Management , Access Control in the navigation panel to display the main screen as
shown.
Figure 66 Access Control
“Local administrator is configuring this device now!!!
Connection to host lost.”
Table 42 Access Control Overview
Console Port SSH Telnet FTP Web SNMP
Number of
concurrent
sessions allowed
1 console port, SSH or Telnet.
Console port has the highest
priority and Telnet has the lowest
priority.
1 5 No limit