Wireless-N 3G Router User Manual
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4.4.1.
DHCP User (Cable Modem)
After select this item, you will obtain an IP address from your ISP automatically, those ISP who
supply Cable modem always use DHCP
Figure 4-15
Clone MAC address: The WAN port of router has a unique MAC address assigned by
manufacturer; it called as “Default MAC”. The “Clone MAC” is used for some sp
ecial situations;
For example, ISP only allows certain MAC address to access the Internet, thus you can modify
your WAN port‟s MAC address in accord with the requirement of ISP, avoiding ISP‟s detection
MTU: The MTU (Maximum Transmission Unit) setting specifies the largest packet size
permitted for network transmission. Most DSL users should use the value 1492.You can set
MTU manually, and you should leave this value in the 1200 to 1500 range. If the value you set is
not in accord with the value ISP provide, it may causes some problems, such as fail to send Email,
or fail to browse website. So if that happened, you can contact your ISP for more information and
correct your router‟s MTU value
Primary DNS: DNS server is used for resolve domain name. Your ISP will provide you with at
least one DNS IP address, input IP address of your DNS server in this field
Secondary DNS
:
Input IP address of backup DNS server or you can leave this field blank
