Application Scenarios (Uses Cases) For Routing, Nat And Firewalling; Network Diagram Of Below Described Application Scenario; A1 - Configuring The Router To Connect 2 Networks With Different Ip Address Ranges - Weidmuller IE-SR-2GT-LAN Manual

A. Application scenarios (Uses cases) for Routing, NAT and Firewalling
A1 - Configuring the Router to connect 2 networks with different IP ad-
dress ranges
This Technical Note applies to the Weidmüller Industrial Router IE-SR-2GT-LAN and IE-SR-2GT-UMTS/3G
Application requirements:
There are 2 industrial Ethernet networks which shall be connected by the Router. Each network has its own IP address
range. Every Ethernet node in both networks shall have the possibility to communicate with each other.
No special firewall filter rules shall be configured.
In this example the IP address ranges are set to
192.168.10.0 / 255.255.255.0 for Network 1 and
192.168.20.0 / 255.255.255.0 for Network 2
The Router interfaces will be set to
192.168.10.254 / 255.255.255.0
192.168.20.254 / 255.255.255.0

Network diagram of below described application scenario

Network 1: 192.168.10.0 / 24
(Class C)
Device A
192.168.10.100
255.255.255.0
GW 192.168.10.254
Device B
192.168.10.101
255.255.255.0
GW 192.168.10.254
Device C
192.168.10.102
255.255.255.0
GW 192.168.10.254
Copyright © 2013 Weidmüller Interface GmbH & Co. KG
All rights reserved. Reproduction without permission is prohibited.
for LAN interface and
for WAN interface
Data communication
allowed in both directions
WAN-Port
192.168.20.254
255.255.255.0
LAN-Port
192.168.10.254
255.255.255.0
Configuration PC
Network 2: 192.168.20.0 / 24
(Class C)
Device E
192.168.20.100
255.255.255.0
GW 192.168.20.254
Device F
192.168.20.101
255.255.255.0
GW 192.168.20.254
Device G
192.168.20.102
255.255.255.0
GW 192.168.20.254
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