ZyXEL N4100 Guia Do Utilizador

Chapter 6 Server

N4100 User’s Guide

This table allows you to assign IP addresses on the LAN to specific individual 
computers based on their MAC Addresses. 

Every Ethernet device has a unique MAC (Media Access Control) address. The MAC 
address is assigned at the factory and consists of six pairs of hexadecimal 
characters, for example, 00:A0:C5:00:00:02.

DHCP 

Server IP 

Address

If you select DHCP Relay, enter the IP address of a DHCP server (on the 
WAN).

DHCP Server 
(Default)

Select this option to set the N4100 to assign network information (IP 
address, DNS information etc.) to Ethernet device(s) connected to the 
LAN port(s). This is the default setting. 

IP Pool 

Starting 

Address

Enter the first of the continuous addresses in the IP address pool.

DHCP Pool 

Size

This field specifies the size or count of the IP address pool. Enter a 
number not greater than 1024. 

Lease Time  Specify the time (in minutes between 1 and 71582788) a DHCP client is 

allowed to use an assigned IP address. When the lease time expires, the 
DHCP client is given a new, unused IP address. 

Primary/

Secondary 

DNS 

Server

Enter the IP address of the DNS server(s) in the Primary DNS IP 
Address and/or Secondary DNS IP Address fields.

Note: You must specify a DNS server.  

E-mail Server 
Redirect
IP Address or 
Domain Name

Specify the IP address or the domain name of the e-mail server to which 
the N4100 forwards e-mail.

SMTP Port

Enter the port number (25, or between 2500 and 2599) for the mail 
server. The default is 25. 

Apply

Click Apply to save your changes back to the N4100.

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