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D-Link DIR-640L User Manual
Section 3 - Configuration
Select
Dynamic IP (DHCP)
to obtain IP Address information
automatically from your ISP. Select this option if your ISP does not give
you any IP numbers to use. This option is commonly used for cable
modem services.
Check this box to enable wired-WAN alive if you have 3G failover.
Enter the IP address for the auto-backup host.
The host name is optional but may be required by some ISPs. Leave
blank if you are not sure.
Enter the primary and secondary DNS server IP addresses assigned
by your ISP. These addresses are usually obtained automatically from
your ISP. Leave it at 0.0.0.0 if you did not specifically receive these from your ISP.
Maximum Transmission Unit - you may need to change the MTU for optimal performance with your specific ISP. 1500 is the
default MTU.
The default MAC address is set to the Internet port’s physical interface MAC address on the broadband router. It is not recommended
that you change the default MAC address unless required by your ISP. You can use the
Copy Your PC’s MAC Address
button to
replace the Internet port’s MAC address with the MAC address of your Ethernet card.
My Internet
Connection Is:
Auto-Backup:
Internet host:
Host Name:
Primary/Secondary
DNS Server:
MTU:
MAC Address:
Dynamic IP (DHCP)
