AT-9000 Switch Command Line User’s Guide
Section II: Basic Operations 105
Configuring the Management Session Timers
You should always conclude a management session by logging off so that
if you leave your workstation unattended, someone cannot use it to
change the switch’s configuration.
If you forget to log off, the switch has management session timers to
detect and log off inactive local and remote management sessions for you,
automatically. A session is deemed inactive when there is no management
activity for the duration of the corresponding timer.
There are different timers for the different types of management sessions.
There is one timer for local management sessions, which are conducted
through the Console port, and ten timers for each supported VTY line, for
remote Telnet and SSH management sessions.
The command for setting the timers is the EXEC-TIMEOUT command.
You enter this command in different modes depending on the timer you
want to set. The timer for local management sessions is set in the Line
Console mode, which is accessed using the LINE CONSOLE 0 command
from the Global Configuration mode. This example of the commands sets
the timer for local management sessions on the switch to 5 minutes:
awplus> enable
awplus# configure terminal
awplus(config)# line console 0
awplus(config-line)# exec-timeout 5
There are ten VTY lines for remote Telnet and SSH sessions. Each
remote management session uses one line. The switch automatically
allocates a line when a remote session is initiated. The first remote Telnet
or SSH session is allocated the VTY 0 line, the second session is allocated
the VTY 1 line, and so forth.
Each VTY line has its own management session timer. The timers are set
in the Virtual Terminal Line mode, which is accessed with the LINE VTY
command. The format of the LINE VTY command is shown here:
line vty
line_id
The LINE_ID parameter is a value of 0 to 9. You can specify just one VTY
line at a time. This example sets the management session timer for VTY
line 2 to 8 minutes:
awplus> enable
awplus# configure terminal
awplus(config)# line vty 2
awplus(config-line)# exec-timeout 8
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