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Arche r D9
AC1900 Wireless Dual Band Gigabit ADSL2+ Modem Router User Guide
Figure 4-25
Group/ IP Address/ Subnet Mask: Displays group name, IP address and subnet mask.
The parameters can be configured on the Interface Grouping page and LAN Settings
page.
DHCP Server: If enabled, the modem router will work as a DHCP server, which provides the
TCP/IP configuration for all the PC(s) that are connected to it on the LAN.
Start IP Address: Enter a value for the DHCP server to start with when issuing IP addresses.
Because the default IP address for the modem router is 192.168.1.1, the default Start IP
Address is 192.168.1.100, and the Start IP Address must be 192.168.1.100 or greater, but
smaller than 192.168.1.254.
End IP Address: Enter a value for the DHCP server to end with when issuing IP addresses.
The End IP Address must be smaller than 192.168.1.254. The default End IP Address is
192.168.1.254.
Le ase Time: The Leased Time is the amount of time in which a DHCP client can lease its
current dynamic IP address assigned by the modem router. After the dynamic IP address has
expired, the user will be automatically assigned a new dynamic IP address. The default is
1440 minutes.
Default Gateway (Optional.): It is suggested to input the IP address of the LAN port of the
modem router. The default value is 192.168.1.1.
Default Domain (Optional.): Input the domain name of your network.
Primary DNS (Optional.): Input the DNS IP address provided by your ISP.
Secondary DNS (Optional.): Input the IP address of another DNS server if your ISP provides
two DNS servers.
DHCP Relay: Select Re lay, then you will see the next screen, and the modem router will work
as a DHCP Relay. A DHCP relay is a computer that forwards DHCP data between computers
that request IP addresses and the DHCP server that assigns the addresses. Each of the
device's interfaces can be configured as a DHCP relay. If it is enabled, the DHCP requests
from local PCs will forward to the DHCP server runs on WAN side. To have this function
working properly, please run on router mode only, disable the DHCP server on the LAN port,
and make sure the routing table has the correct routing entry.
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