Lenovo Flex System Fabric CN4093, Инструкция по применению

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CN4093 Application Guide for N/OS 8.4
Backdoor
The administrator has an option to allow backdoor access via Telnet using the
command:
The default value for Telnet access is
disabled
. The administrator also can enable
secure backdoor to allow access if both the primary and the secondary
servers fail to respond. The command for this is:
Note:
To obtain the backdoor password for your switch, contact your
Service and Support line.
Accounting
Accounting is the action of recording a user ʹ s activities on the device for the
purposes of billing and/or security. It follows the authentication and authorization
actions. If the authentication and authorization is not performed via ,
there are no accounting messages sent out.
You can use to record and track software login access, configuration
changes, and interactive commands.
The CN4093 supports the following accounting attributes:
 protocol (console/telnet/ssh/http)
 start_time
 stop_time
 elapsed_time
 disc ‐ cause
Note:
When using the Browser ‐ Based Interface, the Accounting Stop
records are sent only if the
Quit
button on the browser is clicked.
CN 4093(config)# tacacs-server backdoor
CN 4093(config)# tacacs-server secure-backdoor