InternalDNSDomain
This is used to specify the Top Level Domain (TLD) name that is used in the system network.
The DNS server of the NCU assigns names to the devices in the system network in this zone.
Name requests for all other zones are forwarded to an external name server in the company
network.
As presetting the "local" recommended by the RFC1035 is used for local networks, to avoid
conflicts with globally defined domain names.
Recommendation: The default setting should be maintained.
Value: Domain name (letters, digits, '-', '_', max. 63 characters)
Default: local
DisableNATRouting
The default setting permits that a machine can access a company network from the system
network via the control using the NAT routing (= "Network Address Translation"). In this case,
the NCU converts the source address of the packets to its own address, and handles the
response packets in the inverse way.
If this variable is set to zero, the NAT routing of the NCU from the internal interfaces eth0
=X120 and ibn0 =X127 to the external network on eth1 =X130 is prevented. In order that the
NAT routing is not simultaneously shut down for both internal networks, using the values
"X120" or "X127", the system network or the commissioning network is selectively shut down.
Value: empty, 0, 1, X120 or X127
Default: Empty
2.3.3 Section [IBNInterface]
Description
The settings in this section affect interface X127.
EnableDHCP_IBNNet
If this variable is set to 1 then this prevents the start of the DHCP server at the commissioning
interface X127.
Value: Empty, 0 or 1
Default: Empty
Configuring the system
2.3 Configuration file "basesys.ini"
NCU operating system
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 21
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