Netgear WNDR3700 WNDR3700 User Manual - Page 79

Configuring the WAN Setup Options, WAN Setup - dmz

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RangeMax™ Dual Band Wireless-N Gigabit Router WNDR3700 User Manual Configuring the WAN Setup Options The WAN Setup screen lets you configure a DMZ (demilitarized zone) server, change the Maximum Transmit Unit (MTU) size, and enable the wireless router to respond to a ping on the WAN (Internet) port. From the main menu, under Advanced, click WAN Setup to view the WAN Setup screen. Figure 5-3 The WAN Setup fields are described in the following table: Table 5-2. WAN Setup Settings Setting Description Disable SPI Firewall The Stateful Packet Inspection (SPI) firewall protects your network and computers against attacks and intrusions. A stateful packet firewall carefully inspects incoming traffic packets, looking for known exploits such as malformed, oversized, or out-of-sequence packets. The firewall should be disabled only in special circumstances, such as when you are troubleshooting application issues. Default DMZ Server This feature is sometimes helpful when you are using some online games and videoconferencing. Be careful when using this feature because it makes the firewall security less effective. See the following section, Configuring Static Routes. Respond to Ping on Internet If you want the wireless router to respond to a ping from the Internet, select Port this check box. This should be used only as a diagnostic tool, since it allows your wireless router to be discovered. Do not select this check box unless you have a specific reason to do so. MTU Size (in bytes) The normal MTU (Maximum Transmit Unit) value for most Ethernet networks is 1500 bytes, or 1492 Bytes for PPPoE connections. For some ISPs you might need to reduce the MTU. This is rarely required, and should not be done unless you are sure it is necessary for your ISP connection. See "Changing the MTU Size" on page 6-6. Customizing Your Network Settings 5-7 v1.3, October 2009

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RangeMax™ Dual Band Wireless-N Gigabit Router WNDR3700 User Manual
Customizing Your Network Settings
5-7
v1.3, October 2009
Configuring the WAN Setup Options
The WAN Setup screen lets you configure a DMZ (demilitarized zone) server, change the
Maximum Transmit Unit (MTU) size, and enable the wireless router to respond to a ping on the
WAN (Internet) port. From the main menu, under Advanced, click
WAN Setup
to view the WAN
Setup screen.
The WAN Setup fields are described in the following table:
Figure 5-3
Table 5-2.
WAN Setup Settings
Setting
Description
Disable SPI Firewall
The Stateful Packet Inspection (SPI) firewall protects your network and
computers against attacks and intrusions. A stateful packet firewall carefully
inspects incoming traffic packets, looking for known exploits such as
malformed, oversized, or out-of-sequence packets. The firewall should be
disabled only in special circumstances, such as when you are troubleshooting
application issues.
Default DMZ Server
This feature is sometimes helpful when you are using some online games and
videoconferencing. Be careful when using this feature because it makes the
firewall security less effective. See the following section,
Configuring Static
Routes
.
Respond to Ping on Internet
Port
If you want the wireless router to respond to a ping from the Internet, select
this check box. This should be used only as a diagnostic tool, since it allows
your wireless router to be discovered. Do not select this check box unless you
have a specific reason to do so.
MTU Size (in bytes)
The normal MTU (Maximum Transmit Unit) value for most Ethernet networks
is 1500 bytes, or 1492 Bytes for PPPoE connections. For some ISPs you
might need to reduce the MTU. This is rarely required, and should not be done
unless you are sure it is necessary for your ISP connection. See
“Changing
the MTU Size” on page 6-6
.