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AC1750 WiFi Cable Modem Router
View or Change the WAN Settings
You can view the wide area network (WAN) settings for the Internet port. You can set up a
DMZ (demilitarized zone) server, change the maximum transmit unit (MTU) size, and enable
the modem router to respond to a ping to its WAN (Internet) port.
To view or change the WAN settings:
1. Launch a web browser from a computer or wireless device that is connected to the
network.
2. T
ype http://routerlogin.net or http://192.168.0.1.
A login screen displays.
3. Enter the modem router user name and password.
The user name is admin.
The default password is password. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4. Select
ADVANCED > Setup > WAN Setup.
5. V
iew or change the following settings:
• Disable Port Scan and DoS Protection. DoS protection protects your LAN against
denial of service attacks such as Syn flood, Smurf
Attack, Ping of Death, and many
others. Select this check box only in special circumstances.
• Default DMZ Server.
This feature is sometimes helpful when you are playing online
games or videoconferencing, but it makes the firewall security less effective. See Set
Up a Default DMZ Server on page 47.
• Respond to Ping on Internet Port.
This feature allows your modem router to be
discovered. Use this feature only as a diagnostic tool or for a specific reason.
• MTU Size (in bytes).
The normal MTU (maximum transmit unit) value for most
Ethernet networks is 1500 bytes, or 1492 bytes for PPPoE connections. Change the
MTU only if you are sure that it is necessary for your Internet connection. See Change
the MTU Size on page 45.