Rockwell Automation 1738-AENTR, Series A 1734 POINT I/O and 1738 ArmorPOINT I/O 2 Port Ethernet/IP Adapter User Manual - Manual (Page 31)

Rockwell Automation Publication 1734-UM014B-EN-P - June 2013 23
Configure the Adapter for Your EtherNet/IP Network Chapter 3
To configure your adapter using the BootP utility, perform the following steps:
1. Run the BootP software.
In the BOOTP Request History panel you see the hardware addresses of
devices issuing BootP requests.
2. Double-click the hardware address of the device you want to configure.