68 Rockwell Automation Publication 1783-UM010C-EN-P - June 2019
Chapter 3 Configure the Security Appliance
Change the IP Address of the Communication Module
Follow these steps to change the IP address on the 1756-ENT2R by using
RSLinx® software.
1. Use RSLinx® Classic from your computer to attempt to change the IP
address on the 1756-ENT2R.
An IP address change via CIP is categorized as CIP Admin.
RSLinx can report an error because the command did not succeed
(Inline mode only).
2. Open up the 1756-EN2TR Module Configuration dialog again to
confirm that the new IP address that you set was NOT applied (Inline
mode only).