User's Guide

Table Of Contents
Chapter 4 Tutorials
LTE Series User’s Guide
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3 The Zyxel Device will restart automatically after the configuration file is successfully uploaded. Wait for
one minute before logging into the Zyxel Device again.
4.9 Configure DHCP
You can enable the DHCP (Dynamic Host Configuration Protocol) in your Zyxel Device to assign IP
addresses and DNS servers to systems that support DHCP client capability. DHCP allows clients to obtain
TCP/IP configuration at start-up from a server.
The following figure shows how Client A uses DHCP to join the Zyxel Device’s network. First Client A
searches for an available DHCP, and sends a DHCP Discover broadcast message asking for an IP
address to connect to. Then the DHCP selects an IP address from its pool of IP addresses for Client A. The
DHCP sends a DHCP Offer including the IP address selected and a lease time, which is the period of time
Client A will be able to use this IP address, After Client A has received DHCP offers for an IP address, it
chooses one and sends out a DHCP Request including the IP address it chose. Finally the DHCP confirms