ZyXEL zte zxdsl-531b User Manual

ADSL Router User Manual 

 

42

 

Select the interface for the connection of DHCP server. The default one is Primary LAN. 

Start IP Address: 

Decides the start point of the IP range for this connection. 

End IP Address: 

Decides the end point of the IP range for this connection. 

DHCP lease time:    Type in the time that a network device can lease a private IP address before the ADSL Router 

reassigning the IP address.   

Report this host as the default gateway: Check this box to enable this function. 

Default Gateway:    You check the Report this host as the default gateway box to use this host as the default 

gateway or fill in an IP address as the default gateway. 

Report this host as DNS server: Check this box to enable this function. 

Primary DNS server address: Type in the first DNS server address that you get from your ISP. 

Secondary DNS server address: Type in the second DNS server address that you get from your ISP. 

Domain Name Servers: You can check the Report this host as the DNS server box to use this host as the default 

DNS. Or you can uncheck the box and manually set up the DNS IP address in the 
Primary/Secondary DNS IP address fields. The DNS server addresses will be passed to the 
DHCP clients along with the IP addresses. The DHCP clients use the DNS to map a domain 
name to its corresponding IP address and vice versa. 

Configuration for Relay Agent 
If you want the DHCP server to have the function of relay, please set the Relay Agent for the server. Click the Relay 
Agent button from the DHCP Server page to get advanced settings. Please enter the IP address for the DHCP Server 
and click Apply to invoke the configurations.