ZyXEL Communications VSG-1200 User Manual

VSG-1200 User’s Guide

Chapter 4 LAN, WAN and Server Setup

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DHCP Server

Select the DHCP mode on the LAN.

Disable

Select this option to disable DHCP server on the LAN.

DHCP Relay

Select this option to set the VSG to forward client DHCP requests to a 

DHCP server on the LAN network. Then configure the DHCP Server IP 

Address field.

DHCP Server IP Address If you select DHCP Relay, enter the IP address of the real DHCP server.

DHCP Server

Select this option to set the VSG to assign network information (IP 

address, DNS information etc.) to Ethernet device(s) connected to the 

LAN port(s). This is the default setting.

DHCP Pool Start IP Address Enter the first of the continuous addresses in the IP address pool. The 

default is 10.59.1.2 (based on the default LAN IP address of 10.59.1.1).

DHCP Pool Size This field specifies the size or count of the IP address pool. Enter a 

number not greater than 1024. The default is 253.

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 IP

Address

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

You can set the VSG to redirect and send subscriber's E-mail via a 

specified e-mail server. This feature allows subscribers to send E-mail 

via the local E-mail server when their default e-mail server is not working 

or prevented by relay restrictions.

IP Address or Domain Name Specify the IP address or the domain name of the e-mail server to which 

the VSG forwards e-mail. 

SMTP Port Specify the port number (25 is the default) for SMTP (Simple Mail 

Transfer Protocol). Enter a number between 2500 and 2599.

Apply

Click Apply to save the settings.

Table 10   System Setting: Server  (continued)