Netgear WGT624 WGT624v4 Reference Manual - Page 68

Assigning a Default DMZ Server, Setting the MTU Size, Using a Dynamic DNS Service

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108 Mbps Wireless Router WGT624 v4 Reference Manual • Respond to a Ping on the Internet WAN Port. 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. • Setting the MTU Size. In most cases it is not necessary to set the MTU size. See "Setting the MTU Size" on page 5-8. Assigning a Default DMZ Server To assign a computer or server to be a default DMZ server: 1. Click WAN Setup on the Advanced section of the main menu. 2. Type the IP address for that server. To remove the default DMZ server, clear the Default DMZ Server check box. 3. Click Apply. Setting the MTU Size The default MTU size does not usually need to be changed. The normal maximum transmit unit (MTU) value for most Ethernet networks is 1500 bytes. For some ISPs, particularly some using PPPoE, you may need to reduce the MTU. You should not do this unless you are sure it is necessary for your ISP. Any packets sent through the router that are larger than the configured MTU size will be repackaged into smaller packets to meet the MTU requirement. To change the MTU size: 1. Under MTU Size, enter a new size between 64 and 1500. 2. Click Apply to save the new configuration. Using a Dynamic DNS Service If your network has a permanently assigned IP address, you can register a domain name and have that name linked with your IP address by public domain name servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you will not know in advance what your IP address will be, and the address can change frequently. In this case, you can use a commercial dynamic DNS service that will allow you to register your domain to their IP address, and will forward traffic directed at your domain to whatever your current IP address happens to be. 5-8 Advanced Configuration v1.0, May 2007

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108 Mbps Wireless Router WGT624 v4 Reference Manual
5-8
Advanced Configuration
v1.0, May 2007
•
Respond to a Ping on the Internet WAN Port.
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.
•
Setting the MTU Size. In most cases it is not necessary to set the MTU size. See
“Setting the
MTU Size” on page 5-8
.
Assigning a Default DMZ Server
To assign a computer or server to be a default DMZ server:
1.
Click WAN Setup on the Advanced section of the main menu.
2.
Type the IP address for that server. To remove the default DMZ server, clear the Default DMZ
Server check box.
3.
Click
Apply
.
Setting the MTU Size
The default MTU size does not usually need to be changed. The normal maximum transmit unit
(MTU) value for most Ethernet networks is 1500 bytes. For some ISPs, particularly some using
PPPoE, you may need to reduce the MTU. You should not do this unless you are sure it is
necessary for your ISP.
Any packets sent through the router that are larger than the configured MTU size will be
repackaged into smaller packets to meet the MTU requirement.
To change the MTU size:
1.
Under MTU Size, enter a new size between 64 and 1500.
2.
Click
Apply
to save the new configuration.
Using a Dynamic DNS Service
If your network has a permanently assigned IP address, you can register a domain name and have
that name linked with your IP address by public domain name servers (DNS). However, if your
Internet account uses a dynamically assigned IP address, you will not know in advance what your
IP address will be, and the address can change frequently. In this case, you can use a commercial
dynamic DNS service that will allow you to register your domain to their IP address, and will
forward traffic directed at your domain to whatever your current IP address happens to be.