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192 Configuration of the Update Server
14117800, Ed.2.6
13.4 Running Maintenance
The update file is immediately read and also immediately executed. After a device
restart, the update server is automatically queried periodically in accordance with the
interval set. When the maintenance file has been successfully received, it is executed
sequentially. Theoretically, all commands that can be transmitted to the device in a Telnet
session or that occur in a configuration file can be used in the maintenance file.
13.5 Maintenance Commands
Additional commands implemented specially for the update server are available. The
maintenance file is executed every time (depending on the interval set), as soon as it is
received.
13.5.1 Check Command
In most cases, however, the maintenance file should be executed not every time as soon
as it is received, but once only. Assuming that a secure configuration is to be loaded onto
several devices, then it is best if this is done from one device. This can be achieved with
the check command:
mod cmd UP1 check <final-command> <serial>
KIRK devices have an internal variable that is initially empty (or empty if the device was
reset with the standard settings) called UPDATE/CHECK. The check command
compares the content of <serial> with the UPDATE/CHECK variable. If both match, all
further processes of the maintenance file are terminated. If they differ, the remaining
processes are executed. When the last process has been executed, the UPDATE/CHECK
variable is overwritten with the content of <serial>, and the content of <final-command>
is executed. The following commands are usable content for <final-command>
• ireset. Resets the device as soon as it is not being actively used.
• reset: Resets the device immediately.
• iresetn: Resets the device as soon as it is not being actively used and a reset i required.
• resetn: Resets the device immediately if a reset is required.
•ser: no-op
13.5.2 Times Command
Often, configuration changes shall be made only during certain times (e.g. non-working
hours). This can be achieved using the times command:
mod cmd UP1 times [/allow <hours>] [/initial <minutes>]