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User authentication
Danger of an unreachable system due to different character encoding.
When accessing the system the code page used by the accessing program has to be ISO
8859-15 (Latin-9). Due to different character encoding of diacritical characters on login, different
code pages may lead to falsely interpreted and, hence, invalid passwords. The system may
become unreachable.
Commands to set the passwords
< s e t l o g i n p a s s { . . . } >
< s e t n o l o g i n p a s s >
< c l e a r l o g i n p a s s >
< s e t e n a b l e p a s s { . . . } >
< s e t n o e n a b l e p a s s >
< c l e a r e n a b l e p a s s >
2.3.2
Automatic session termination
To avoid that authenticated connections stay open due to a forgotten logout there is an automatic
function for logout and disable on 500FSD20 modems.
A serial connection to a management console gets only terminated if a login password is set.
The fix value for the automatic termination of the operation mode configuration after inactivity is 600
seconds.
The fix value for the automatic termination of the view mode is 1200 seconds.
2.4
Loading and saving a configuration
All device settings are configured via commands.
A particular device state corresponds to a certain set of commands that is called a configuration.
Configurations can be loaded and saved device internally but can also be stored for backup or
installation of further devices with an identical configuration on external servers and computers and
can be loaded from there to the respective device.
The configuration that runs on a device is called running-config. All configuration command input is
saved as running-config.
Configuration commands that reset parameters to default values in the current operation are not
stored as command as the default values get loaded first at reboot and then the configuration
commands are executed that set the values to special settings.
The persistent configuration memory, the startup-config, allows a device to restore a configuration
after a restart. The stored configuration commands are executed during start-up and create the
initial running-config.
In addition to the device internal startup-config an optional external hot-pluggable storage in the
shape of a configuration stick is available. It can be plugged permanently into the device or be
connected if required and can be used for the following tasks:
12
A D V I C E
A D V I C E
Functions
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