option. A precise example including the necessary configuration can be
found below.
A notice:
A CONNECT device with the remote maintenance option installed is
inherently a device for coupling via the Internet. However, if necessary, it
can also be used exclusively to exchange IP addresses with the IP
switch option.
By default, all network traffic is initially passed on between the peripheral
and router interfaces. If an IP address entered in the list is accessed
from the router interface, it will be implemented according to the entry in
the list before it is passed on. If necessary, the forwarding of network
traffic can also be limited to the registered IP addresses.
If the setting for remote access is activated, the same conversion of IP
addresses occurs even if a device on the partner device accesses an IP
address entered in the list.
Important:
The communication across subnets enabled with this option only applies
if the connection from the device on the router interface or the partner
device to the device on the peripheral interface is actively established.
There is no implementation in the other direction.
3.3.3.1 Example configuration
If you only want to use the device with the functionality for converting IP
addresses, without any remote maintenance purposes, this section
describes what a minimal configuration for commissioning might look
like. Otherwise, the complete configuration, depending on which options
are installed in your device, is shown in the section “3.2 Configuration of
the device“described.
For the following example configuration, it is assumed that a controller
with the IP address 192.168.2.100 from the plant network (subnet
192.168.2.0/24) is accessed by the operating data acquisition from the
company network (subnet 10.10.12.0/8) via the IP address 10.10. 12.101
should be addressed. The other participants in the system network
should not be accessible from the company network.
Page 31 Handbook CONNECT / CONNECT-II / CONNECT-CONTROL V1.13
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