Rockwell Automation Publication 5069-UM002A-EN-P - January 2019 135
Connect to Different EtherNet/IP Network Levels Chapter 6
This example describes conditions in which IP address ranges do overlap.
The difference between the port configurations in the examples is the Subnet
Mask/Network Mask value for port X1. That is, in the first example, the port
X1 Subnet Mask/Network Mask value is 255.255.255.0. In the second
example, the value 255.255.252.0.
EXAMPLE IP Address Ranges Do Overlap
The table describes port B1 and port X1 configurations use IP address ranges
that do overlap.
All IP addresses in the port B1 IP address range are in the port X1 IP
address range.
Port Number IP Address Subnet Mask/
Network Mask
IP Address Range
(Low to High)
X1 192.168.1.5 255.255.252.0 192.168.0.1…192.168.3.254
B1 192.168.2.1 255.255.255.0 192.168.2.1…192.168.2.254
A1/A2 192.168.4.1 255.255.255.0 192.168.4.1…192.168.4.254
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