TP-Link TL-WR542G User Manual page 26

Note:
If you get address and find error when you go to a Web site, it is likely that your DNS servers
are set up improperly. You should contact your ISP to get DNS server addresses.
Get IP with Unicast DHCP - A few ISPs' DHCP servers do not support the broadcast
applications. If you cannot get the IP Address normally, you can choose this option. (This is
rarely required.)
2. If you choose Static IP, you should have fixed IP Parameters specified by your ISP. The
Static IP settings page will appear, shown in Figure 4-5:
You should type the following parameters into the spaces provided:
IP Address - Enter the IP address in dotted-decimal notation provided by your ISP.
Subnet Mask - Enter the subnet Mask in dotted-decimal notation provided by your ISP,
usually is 255.255.255.0.
Default Gateway - (Optional) Enter the gateway IP address in dotted-decimal notation
provided by your ISP.
MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet
networks is 1500 Bytes. For some ISPs you may need to modify the MTU. But this is rarely
required, and should not be done unless you are sure it is necessary for your ISP
connection.
Primary DNS - (Optional) Enter the DNS address in dotted-decimal notation provided by
your ISP.
Secondary DNS - (Optional) Type another DNS address in dotted-decimal notation provided
TL-WR542G 54Mbps Wireless Router User Guide
Figure 4-5 WAN - Static IP
17