Tenda I-WL-D305 User Manual page 33

a network can transmit. Any messages larger than the MTU are divided into smaller packets before being sent. The
default MTU is 1460 bytes. For some ISPs, you might need to change the MTU. This is rarely required, and should not
be done unless you are sure it is necessary for your ISP connection.
Step 5: To configure the Default Gateway interface, select the interface that you want to configure with the WAN
gateway address in Available Routed WAN Interfaces box and move it into Selected Default Gateway Interfaces box.
The default setting is recommended. Then click Next.
Step 6: To configure the WAN DNS address, click the Select DNS Server Interface from available WAN interfaces
option, or select the Use the following Static DNS IP address option and enter the static DNS server IP addresses
provided by your ISP. At last, click Next.
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