Nameservers
If DNS name servers are specified here, then these must be used to resolve symbolic host
names, i.e. at most of the points where an IP address is expected, a computer name can also
be used instead.
The name server setting is also sent to your DHCP client (TCU, PG) via the DHCP server of
the NCU, so that this can also work with symbolic names.
Value: List of IP addresses (separated by blanks)
Default: Empty
Timeservers
Here you can specify a list of NTP servers (Network Time Protocol) that can be used by the
NTPD on the NCU for time synchronization. The status of NTPD is output in the system log
file /var/log/messages
As an alternative to the system log file, you can use "ntpq -p localhost" to find a time server
marked '*'. The time is synchronized with this server.
Value: List of IP addresses (separated by blanks)
Default: Empty
Note
Setting the time zone and the time server
The IP addresses can also be set directly from the SINUMERIK Operate user interface in the
"Commissioning" → "Date time >" softkey operating area.
Hostname
Here you can define a name for the local host. This manually assigned name takes priority
over all other names.
The host name is determined in the following order:
● Host name from the basesys.ini file, if set.
● A name received from the DHCP server (if DHCP client mode and a name have been
supplied), the result of a reverse DNS lookup, i.e. which name belongs to the IP received
(if name servers are defined).
● Default name ("NONAME_...")
Because the host name is also used as DNS name it must satisfy the corresponding
requirements of the RFC:
● ASCII letters (a-z, A-Z), numbers (0-9) and '-'
● max. 63 characters
Value: Name
Default: Empty
Configuring the system
2.3 Configuration file "basesys.ini"
NCU operating system
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 17
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