Address Reservation - NETGEAR DGND4000 User Manual

N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000
You can specify the pool of IP addresses to be assigned by setting the starting IP address
and ending IP address. These addresses should be part of the same IP address subnet as
the wireless modem router's LAN IP address. Using the default addressing scheme, you
should define a range between 192.168.0.2 and 192.168.0.254, although you might want to
save part of the range for devices with fixed addresses.
The wireless modem router delivers the following parameters to any LAN device that
requests DHCP:
• An IP address from the range you have defined
• Subnet mask
• Gateway IP address (the wireless modem router's LAN IP address)
• Primary DNS server (if you entered a primary DNS address in the Internet Basic Settings
screen; otherwise, the wireless modem router's LAN IP address)
• Secondary DNS server (if you entered a secondary DNS address in the Internet Basic
Settings screen)
To use another device on your network as the DHCP server, or to manually configure the
network settings of all of your computers, clear the Use Router as DHCP Server check box
and click Apply. Otherwise, leave this check box selected. If this service is not enabled and
no other DHCP server is available on your network, you need to set your computers' IP
addresses manually or they are not able to access the wireless modem router.

Address Reservation

When you specify a reserved IP address for a computer on the LAN, that computer always
receives the same IP address each time it accesses the wireless modem router's DHCP
server. Reserved IP addresses should be assigned to computers or servers that require
permanent IP settings.

To reserve an IP address:
1. In the Address Reservation section of the screen, click the Add button. The following
screen displays:
2. In the IP Address field, type the IP address to assign to the computer or server. (Choose an
IP address from the wireless modem router's LAN subnet, such as 192.168.0.x.)
3. Type the MAC address of the computer or server.
Tip: If the computer is already on your network, you can copy its MAC
address from the Attached Devices screen and paste it here.
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