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Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Wireless-G ADSL Home Gateway
The DDNS Tab
The Gateway offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and
domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or
other server behind the Gateway.
Before you can use this feature, you need to sign up for DDNS service at DynDNS.org or TZO.com.
DDNS
DDNS Service. If your DDNS service is provided by DynDNS.org, then select
DynDNS.org
from the drop-down
menu. If your DDNS service is provided by TZO.com, then select
TZO.com
from the drop-down menu.To disable
DDNS Service, select
Disabled
.
DynDNS.org
User Name, Password, and Host Name. Enter the User Name, Password, and Host Name of the account you
set up with DynDNS.org.
Internet IP Address. The Gateway’s current Internet IP Address is displayed here. Because it is dynamic, it will
change.
Status. The status of the DDNS service connection is displayed here.
TZO.com
E-mail Address, Password, and Domain Name. Enter the E-mail Address, Password, and Domain Name of the
account you set up with TZO.
Internet IP Address. The Gateway’s current Internet IP Address is displayed here. Because it is dynamic, this
will change.
Status. The status of the DDNS service connection is displayed here.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-10: DynDNS.org
Figure 5-11: TZO.com
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21
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Wireless-G ADSL Home Gateway
The Advanced Routing Tab
The
Advanced Routing
screen allows you to configure the NAT, dynamic routing, and static routing settings.
Advanced Routing
Operating Mode. In this section, you will configure the Gateway’s general routing settings.
NAT. NAT is a security feature that is enabled by default. It enables the Gateway to translate IP addresses
of your local area network to a different IP address for the Internet. To disable NAT, click the
Disabled
radio button.
RIP. If you have multiple routers, you may want to use the Routing Information Protocol (RIP) so the routers
can exchange routing information with each other. To use RIP, select the
Enabled
radio button. Otherwise,
keep the default,
Disabled
.
Send Default Route. To use RIP version 1 for routing, select the
Enabled
radio button. Otherwise, keep the
default,
Disabled
.
Interface. This setting is available when you have configured a static route and you need to choose an
interface for that route. Select the interface that the Gateway will be using:
LAN
/
Wireless
or
Internet
.
Dynamic Routing. With Dynamic Routing you can enable the Gateway to automatically adjust to physical
changes in the network’s layout. Using RIP, the Gateway determines the network packets’ route based on the
fewest number of hops between the source and the destination. The RIP protocol regularly broadcasts routing
information to other Gateways on the network.
Transmit RIP Version. To transmit RIP messages, select the protocol you want:
RIP1, RIP1-Compatible,
or RIP2
. If you don’t want to transmit RIP messages, select
None
.
Receive RIP Version. To receive RIP messages, select the protocol you want:
RIP1
or
RIP2
. If you don’t
want to receive RIP messages, select
None
.
Multicast or Broadcast. RIP can be sent using either methods. If you want to use multicasting, select
Multicast
. If you want to use Broadcast, select
Broadcast
.
Static Routing. If the Gateway is connected to more than one network, it may be necessary to set up a static
route between them. A static route is a pre-determined pathway that network information must travel to
reach a specific host or network. To create a static route, change the following settings:
Figure 5-12: Advanced Routing
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Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Wireless-G ADSL Home Gateway
Select set number. Select the number of the static route from the drop-down menu. The Gateway
supports up to 20 static route entries. If you need to delete a route, then select the entry and click the
Delete This Entry
button.
Destination IP Address. The Destination IP Address is the address of the remote network or host to which
you want to assign a static route. Enter the IP address of the host for which you wish to create a static
route. If you are building a route to an entire network, be sure that the network portion of the IP address is
set to 0.
Subnet Mask. Enter the Subnet Mask (also known as the Network Mask), which determines which portion
of an IP address is the network portion, and which portion is the host portion.
Gateway. Enter the IP address of the gateway device that allows for contact between the Gateway and the
remote network or host.
Hop Count. Hop Count is the number of hops to each node until the destination is reached (16 hops
maximum). Enter the Hop Count in the field provided.
Show Routing Table. Click the
Show Routing Table
button to open a screen displaying how data is routed
through your local network. For each route, the Destination LAN IP address, Subnet Mask, Gateway, and
Interface are displayed. Click the
Refresh
button to update the information. Click the
Close
button to return to
the previous screen.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-13: Routing Table
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23
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Wireless Tab
Wireless-G ADSL Home Gateway
The Wireless Tab
The Basic Wireless Settings Tab
This screen allows you to choose your wireless network mode and wireless security.
Wireless Network
Wireless Network Mode. If you have 802.11g and 802.11b devices in your network, then keep the default
setting,
Mixed
. If you have only 802.11g devices, select
802.11g
. If you have only 802.11b devices, select
802.11b
. If you want to disable wireless networking, select
Disabled
.
Wireless Network Name (SSID). Enter the name for your wireless network into the field. The SSID is the
network name shared among all devices in a wireless network. It must be identical for all devices in the
wireless network. It is case-sensitive and must not exceed 32 alphanumeric characters, which may be any
keyboard character. Linksys recommends that you change the default SSID (linksys) to a unique name of your
choice.
Wireless Channel. Select the appropriate channel from the list provided to correspond with your network
settings. All devices in your wireless network must use the same channel in order to function correctly.
Wireless computers or clients will automatically detect the wireless channel of the Gateway.
Wireless SSID Broadcast. When wireless computers or clients survey the local area for wireless networks to
associate with, they will detect the SSID broadcast by the Gateway. To broadcast the Gateway's SSID, keep
the default setting,
Enable
. If you do not want to broadcast the Gateway's SSID, then select
Disable
.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-14: Basic Wireless Settings
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24
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Wireless Tab
Wireless-G ADSL Home Gateway
The Wireless Security Tab
The Wireless Security settings configure the security of your wireless network. There are two wireless security
options supported by the Gateway: WPA Pre-Shared Key and WEP. (WPA stands for Wi-Fi Protected Access, which
is a security standard stronger than WEP encryption. WEP stands for Wired Equivalent Privacy.) These are briefly
discussed here. For detailed instructions on configuring wireless security for the Gateway, turn to “Appendix B:
Wireless Security.” If you want to disable wireless security, select
Disable
from the drop-down menu for Security
Mode.
WPA Pre-Shared Key. Enter a WPA Shared Key of 8-32 characters. Then enter a Group Key Renewal period, which
instructs the Gateway how often it should change the encryption keys.
Figure 5-15: WPA Pre-Shared Key

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