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Settings 33
SmartLink 4020 Getting Started Guide 4 • Network—WAN
found using a fixed DNS name when the IP address changes. With Dynamic DNS cable modem and ADSL
users can be found on the Internet using a DNS name.
The DNS server used for registration is operated by Dynamic Network Services, Inc., Dynamic DNS
(DynDNS). You can find detailed information about the company and the services it offers on the webpage
www.dyndns.org. The company offers different levels of service. The basic services are offered free of charge,
while the more advanced services are fee-based.
Figure 8. Dynamic DNS Service window
Configuring Dynamic DNS
1. Select System > Configuration.
2. Choose Sever: To enable DynamicDNS, select the name of the DYNDNS service from the drop-
down menu (see figure 8).
3. Host Name: The host name is the name of the SL4020 as registered on the DYNDNS service.
4. Username: The user name is the user name as registered on the Dynamic DNS service.
5. Password: The password is the password as registered on the Dynamic DNS service.
MAC Spoofing Configuration
Figure 9. MAC Spoofing Configuration section of the Settings window
WAN MAC Address (Spoofed)
Only available when the unit is using the router mode. The spoofed MAC address to be used by the device’s
WAN interfaces, the Ethernet address of the outgoing packets from the WAN interface would be replaced with
this address. If blank, the WAN interfaces will use the hardware value of MAC