Bootloader
The following bootloader parameters can be set:
Parameter Bootloader Settings
Password The password used to unlock the bootloader. If empty, the admin
password will be used.
Autorun
This feature can be used to automatically launch a shell script or perform a software/config update as
soon as an external storage device has been plugged in. For authentication, a file called autorun.key
must exist in the root directory of a FAT16/32 formatted device. It can be downloaded from that page
and holds the SHA256 hash key of the autorun password. The file can hold multiple hashes which will
be processed line-by-line during authentication which can be used for setting up more systems with
different admin passwords.
For new devices with an empty password the hash key
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
can be used.
The hash keys can be generated by running the command echo -n "<password>" | sha256sum on
a Linux system or an Internet hash key generator (search for "sha-256 hash calculator").
Once authentication has succeeded, the system scans for other files in the root directory which can
perform the following actions:
1. For running a script: autorun.sh
2. For a configuration update: cfg-<SERIALNO>.zip (e.g. cfg-00112B000815.zip), or if not avail-
able cfg.zip
3. For a software update: sw-update.img
Time & Region
This page can be used for setting the system time and configuring the time zone. You may further
enable daylight saving changes for your specific time zone. NetModule AG routers can synchronize
their system time by using one or more servers by the help of the Network Time Protocol (NTP)
or via GNSS. If enabled, the time synchronization is usually triggered after a WAN link has come
up but before starting any VPN connections. Further time synchronization cycles are scheduled in
background.
Most routers don’t have a battery backed clock (RTC). In this case the system time is set during boot
to the last valide time, e.g. before power off.
NB1601 199 User Manual for NRSW version 4.8.0.103
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