Chapter 3: Terminal Menu Operation and Structure

Security Levels

Each menu item on the configuration screens has an associated security level. The security level ranges from 0 (highest security level) to 5 (lowest security level). This level determines whether a Telnet session can access that menu item. The Telnet session is assigned a security level set by the user. Passwords can only be accessed as security level 0. The maintenance port is always at se- curity level 0.

The security levels are assigned as follows:

Level

 

0

Access all parameters including passwords

1

Access all parameters except passwords

2

Access all parameters except passwords and

 

authentication methods

3

Access all parameters except passwords,

 

authentication methods, and ISDN parameters

4

Access only test and status menus

5

Access status menus only

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ADTRAN L128T user manual Security Levels