Netgear M4300-8X8F (XSM4316S) - Stackable Managed Switch with 16x10G including 8x10GBASE-T and 8xSFP+ Layer 3 Administrator's Guide

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DHCP L2 Relay and L3 Relay 
622
Managed Switches 
A screen similar to the following displays.
b.  In the Server Address field, enter 10.100.1.1.
c.  In the UDP Port field, enter dhcp.
d.  Click Add to save the settings.