User`s manual

Comment. First, enter the selected IP address, and then locate and
enter your NPort Express’s MAC address in the Unique Identifier
field.
(The MAC address is located on NPort Express’s back panel, or
see Appendix B for an explanation of using NPort Express’s LCD
buttons to locate the MAC address.)
Be sure to enter the same Client Name that was entered in the
Name field of the Create Scope - (Local) window (see step 8
above). The Client Comment is optional. At this point you should
double-check the MAC address and IP address, and then click OK
to accept the values.
12. To check that the numbers just entered are correct, return to the
DHCP Manager main window, click on Scope, and then choose
Active Leases from the pull down menu. The IP address reserved
for your NPort Server light will be displayed in the window that
opens up. Check to make sure that it is accurate.