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Specify Network Settings
59
AC3200 WiFi Cable Modem Router
View or Change the WAN Settings
You can view or configure 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 mobile device that is connected to the
modem router network.
2. Enter http://routerlogin.net or http://192.168.0.1.
A login window opens.
3. Enter the 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 page displays.
4. Select
ADVANCED > Setup > WAN Setup.
5. V
iew or change the following settings:
• Disable IPv4 Firewall Protection. W
e recommend that you leave this check box
cleared so that the firewall protects your modem router.
• 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 disabled by default. It 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 60.
• 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
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