Setting Description
Function This string is used for the Siemens Industry-spe‐
cific OID automationSystemIdent.automation‐
FunctionTag. If required, a function designation
can be specified here which can be called by an
SNMP client. This is for information purposes only.
Fixed domain Defines an additional DNS domain name (suffix for
DNS queries). This is of especial interest when the
DHCP server is switched off at the X120 because
this cannot set the "local" domain, but it is required
for some DNS queries (e.g. for machine control
panels).
Fixed DNS server Specifies up to three DNS servers that are to be
used by the DHCP server. This is of especial in‐
terest when the DHCP server is switched off at the
X120 because this is also a DNS server or deter‐
mines DNS servers in the network.
Routing
● Routing X120/X127 -> X130
Specifies whether the routing of packets from the
system network (X120) and/or service connection
X127 to the company network (X130) is active:
● Released: Activates the routing for X120 and
X127
● Disabled: Deactivates the routing for X120 and
X127
● X127: Activates only the routing from X127 to
the company network
● X120: Activates only the routing from the
system network to the company network
● Routing X127 -> X120
Activates or deactivates the NAT routing of pack‐
ets from the service connection X127 to the sys‐
tem network (X120).
● Routing X120 -> X127
Activates or deactivates the routing of packets
from the system network (X120) to the service
connection X127. This is normally prohibited by
the firewall.
Note that there is no NAT and the sender must
ensure that packets to the PG or service PC at
X127 with address 192.168.215.x actually reach
the NCU to which the device is connected.
Active protocols Specifies which protocols are to be used in the
system network. "DCP" (Discovery and Basic Con‐
figuration Protocol) and "LLDP" (Link Layer Dis‐
covery Protocol) are available for selection. The
appropriate active protocol is also used for the
service connection X127 at the NCU.
Configuring the network
17.2 Settings of the system network
SINUMERIK Operate (IM9)
374 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
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