Apr 22

This section will allow you to change the local network settings of the D-Link router DIR-850L and to configure the DHCP settings.

Router Settings

Router IP Address:

Enter the IP address of the router. The default IP address is If you change the IP address, once you click Save Settings, you will need to enter the new IP address in your browser to get back into the configuration utility.

Default Subnet Mask:

Enter the Subnet Mask. The default subnet mask is

Host Name:

Enter a name for the router.

Local Domain Name:

Enter the Domain name (Optional).

Enable DNS Relay:

Uncheck the box to transfer the DNS server information from your ISP to your computers. If checked, your computers will use the router DIR-850L for a DNS server.

DHCP Server Settings:

DHCP stands for Dynamic Host Control Protocol. The D-Link DIR-850L has a built-in DHCP server. The DHCP Server will automatically assign an IP address to the computers on the LAN/private network. Be sure to set your computers to be DHCP clients by setting their TCP/IP settings to “Obtain an IP Address Automatically.” When you turn your computers on, they will automatically load the proper TCP/IP settings provided by the DIR-850L. The DHCP Server will automatically allocate an unused IP address from the IP address pool to the requesting computer. You must specify the starting and ending address of the IP address pool.

Enable DHCP Server:

Check this box to enable the DHCP server on your router. Uncheck to disable this function.

DHCP IP Address Range:

Enter the starting and ending IP addresses for the DHCP server’s IP assignment.

Note: If you statically (manually) assign IP addresses to your computers or devices, make sure the IP addresses are outside of this range or you may have an IP conflict.

DHCP Lease Time:

The length of time for the IP address lease. Enter the Lease time in minutes.

Always Broadcast:

Enable this feature to broadcast your DHCP server to LAN/WLAN clients.

NetBIOS Announcement:

NetBIOS allows LAN hosts to discover all other computers within the network, enable this feature to allow the DHCP
Server to offer NetBIOS configuration settings.

Learn NetBIOS from WAN:

Enable this feature to allow WINS information to be learned from the WAN side; disable to allow manual configuration.

NetBIOS Scope:

This feature allows the configuration of a NetBIOS ‘domain’ name under which network hosts operates. This setting has no effect if the ‘Learn NetBIOS information from WAN’ is activated.

DHCP Reservation

If you want a computer or device to always have the same IP address assigned, you can create a DHCP reservation. The router will assign the IP address only to that computer or device.

Note: This IP address must be within the DHCP IP Address Range.

Enable:Check this box to enable the reservation.

Computer Name:

Enter the computer name or select from the drop-down menu and click <<.

IP Address:

Enter the IP address you want to assign to the computer or device. This IP Address must be within the DHCP IP Address Range.

MAC Address:

Enter the MAC address of the computer or device.

Clone Your PC’s MAC Address:

You can use the Clone Your PC’s MAC Address button to replace the Internet port’s MAC address with the MAC address of your Ethernet card.


Click Save to save your entry. You must click Save Settings at the top to activate your reservations.

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