Netgear MBR1210-1BMCNS MBR1210 User Manual (ENGLISH & FRANÇAIS) - Page 66

WAN Setup, To view or change the WAN setup

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Mobile Broadband 11n Wireless Router MBR1210 User Manual WAN Setup To change broadband Internet connection settings, use the Broadband Settings screen, as described in Manually Configure Your Internet Settings on page 15. To view or change the WAN setup: 1. From the main menu, select WAN Setup to display the WAN Setup screen. 2. Make the changes that you want, and then click Apply to save the settings. The WAN Setup fields are described in the table below. Table 4. Setting Disable SPI Firewall Default DMZ Server Respond to Ping on Internet MTU Size NAT Filtering Disable SIP ALG Description This check box is usually cleared so that the firewall protects your LAN against port scans and denial of service attacks. This check box should be selected only in special circumstances. 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 Setting Up a Default DMZ Server on page 68. If you want the 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 router to be discovered. Do not select this check box unless you have a specific reason to do so. Maximum Transmit Unit (MTU) value. For most Ethernet networks this is 1500 bytes, or 1492 bytes for PPPoE connections, or 1436 bytes for PPTP connections. This is set to Secured to provide a secure firewall to protect computers on the LAN from attacks from the Internet. The Open setting is less secure. Some VoIP applications do not work well with SIP ALG. Selecting this check box might help your VoIP devices create or accept a call through the router. 66 | Chapter 5. Advanced

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66
|
Chapter 5.
Advanced
Mobile Broadband 11n Wireless Router MBR1210 User Manual
WAN Setup
To change broadband Internet connection settings, use the Broadband Settings screen, as
described in
Manually Configure Your Internet Settings
on page
15.
To view or change the WAN setup:
1.
From the main menu, select WAN Setup to display
the WAN Setup screen.
2.
Make the changes that you want, and then click
Apply
to save the settings.
The WAN Setup fields are described in the table below.
Table 4.
Setting
Description
Disable SPI Firewall
This check box is usually cleared so that the firewall protects your
LAN against port scans and denial of service attacks. This check box
should be selected only in special circumstances.
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
Setting Up
a Default DMZ Server
on page
68.
Respond to Ping on Internet
If you want the 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 router to be discovered. Do not select this check box
unless you have a specific reason to do so.
MTU Size
Maximum Transmit Unit (MTU) value. For most Ethernet networks
this is 1500 bytes, or 1492 bytes for PPPoE connections, or 1436
bytes for PPTP connections.
NAT Filtering
This is set to
Secured
to provide a secure firewall to protect
computers on the LAN from attacks from the Internet. The Open
setting is less secure.
Disable SIP ALG
Some VoIP applications do not work well with SIP ALG. Selecting
this check box might help your VoIP devices create or accept a call
through the router.