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Page 96 / 169 Scroll up to view Page 91 - 95
Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
7-28
Advanced Configuration of the WGX102
202-10042-02 v1.1
Using Address Reservation in Router Mode
When you specify a reserved IP address for a computer on the LAN, that computer always
receives the same IP address each time it accesses the wireless range extender’s DHCP server.
Reserved IP addresses should be assigned to servers that require permanent IP settings.
To reserve an IP address:
1.
Click the Add button.
2.
In the IP Address box, type the IP address to assign to the computer or server
(choose an IP address from the wireless range extender’s LAN subnet, such as 192.168.0.x).
3.
Type the MAC Address of the computer or server.
(Tip: If the computer is already present on your network, you can copy its MAC address from
the Attached Devices menu and paste it here.)
4.
Type a Device Name of your choosing.
5.
Click
Apply
to enter the reserved address into the table.
Note:
The reserved address is not assigned until the next time the computer contacts the wireless
range extender's DHCP server. Reboot the computer or access its IP configuration and force a
DHCP release and renew.
To edit or delete a reserved address entry:
1.
Click the button next to the reserved address you want to edit or delete.
2.
Click Edit or Delete.
Router Mode Dynamic DNS
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, which allows you to register your domain to their IP address, and forward
traffic directed at your domain to your frequently-changing IP address.
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Page 97 / 169
Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
Advanced Configuration of the WGX102
7-29
202-10042-02 v1.1
The WGX102 contains a client that can connect to many popular dynamic DNS services. You can
select one of these services and obtain an account with them. Then, whenever your ISP-assigned
IP address changes, your wireless range extender automatically contacts your dynamic DNS
service provider, log in to your account, and register your new IP address.
To configure Dynamic DNS:
1.
From the main menu of the browser interface, under Advanced, click Dynamic DNS.
2.
Register for an account with one of the dynamic DNS service providers whose names appear
in the ‘Select Service Provider’ box. For example, for dyndns.org, go to
.
3.
Select the Use a dynamic DNS service check box.
4.
Select the name of your dynamic DNS Service Provider.
5.
Type the Host Name (or domain name) that your dynamic DNS service provider gave you.
6.
Type the User Name for your dynamic DNS account.
7.
Type the Password (or key) for your dynamic DNS account.
8.
If your dynamic DNS provider allows the use of wildcards in resolving your URL, you may
select the Use wildcards check box to activate this feature.
For example, the wildcard feature causes *.yourhost.dyndns.org to be aliased to the same IP
address as yourhost.dyndns.org
9.
Click
Apply
to save your configuration.
Router Mode Static Routes
Static Routes provide additional routing information to your wireless range extender. Under
normal circumstances, the WGX102 has adequate routing information after it has been configured
for Internet access, and you do not need to configure additional static routes. You must configure
static routes only for unusual cases such as multiple routers or multiple IP subnets located on your
network.
Note:
If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x),
the dynamic DNS service will not work because private addresses will not be routed on
the Internet.
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Page 98 / 169
Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
7-30
Advanced Configuration of the WGX102
202-10042-02 v1.1
From the main menu of the browser interface, under Advanced, click Static Routes to view the
Static Routes menu, shown below.
Figure 7-19.
Static Route Summary Table
To add a Static Route:
1.
Click the Add button to open the Add/Edit menu, shown below:.
Figure 7-20.
Static Route Add/Edit menu
2.
Type a route name for this static route in the Route Name box under the table.
(This is for identification purposes only.)
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Page 99 / 169
Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
Advanced Configuration of the WGX102
7-31
202-10042-02 v1.1
3.
Select Private if you want to limit access to the LAN only. The static route will not be reported
in RIP.
4.
Select Active to make this route effective.
5.
Type the Destination IP Address of the final destination.
6.
Type the IP Subnet Mask for this destination.
If the destination is a single host, type 255.255.255.255.
7.
Type the Gateway IP Address, which must be a router on the same LAN segment as the
WGX102.
8.
Type a number between 1 and 15 as the Metric value.
This represents the number of routers between your network and the destination. Usually, a
setting of 2 or 3 works, but if this is a direct connection, set it to 1.
9.
Click
Apply
to have the static route entered into the table.
As an example of when a static route is needed, consider the following case:
•
Your primary Internet access is through a cable modem to an ISP.
•
You have an ISDN router on your home network for connecting to the company where
you are employed. This router’s address on your LAN is 192.168.0.100.
•
Your company’s network is 134.177.0.0.
When you first configured your WGX102, two implicit static routes were created. A default route
was created with your ISP as the gateway, and a second static route was created to your local
network for all 192.168.0.x addresses. With this configuration, if you attempt to access a device on
the 134.177.0.0 network, your wireless range extender forwards your request to the ISP. The ISP
forwards your request to the company where you are employed, and the request will likely be
denied by the company’s firewall.
In this case you must define a static route, telling your wireless range extender that 134.177.0.0
should be accessed through the ISDN router at 192.168.0.100. The static route would look like
Figure 7-20
.
In this example:
•
The Destination IP Address and IP Subnet Mask fields specify that this static route applies to
all 134.177.x.x addresses.
•
The Gateway IP Address fields specifies that all traffic for these addresses should be
forwarded to the ISDN router at 192.168.0.100.
•
A Metric value of 1 will work since the ISDN router is on the LAN.
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Page 100 / 169
Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
7-32
Advanced Configuration of the WGX102
202-10042-02 v1.1
•
Private is selected only as a precautionary security measure in case RIP is activated.
Router Mode Remote Management Access
Using the Remote Management page, you can allow a user or users on the Internet to configure,
upgrade and check the status of your Wireless Range Extender.
To configure your wireless range extender for Remote Management:
1.
Select the Turn Remote Management On check box.
2.
Specify what external addresses are allowed to access the wireless range extender’s remote
management.
Note:
For enhanced security, restrict access to as few external IP addresses as practical.
a.
To allow access from any IP address on the Internet, select Everyone.
b.
To allow access from a range of IP addresses on the Internet, select IP address range.
Enter a beginning and ending IP address to define the allowed range.
c.
To allow access from a single IP address on the Internet, select Only this computer.
Enter the IP address that is allowed access.
3.
Specify the Port Number to use for accessing the management interface.
Web browser access normally uses the standard HTTP service port 80. For greater security,
change the remote management Web interface to a custom port by entering that number in the
box provided. Choose a number between 1024 and 65535, but do not use the number of any
common service port. The default is 8080, which is a common alternate for HTTP.
4.
Click
Apply
to have your changes take effect.
Note:
When accessing your WGX102 from the Internet, type your wireless range extender's WAN
IP address into your browser's Address (in IE) or Location (in Netscape) box, followed by a colon
(:) and the custom port number. For example, if your external address is 134.177.0.123 and you
use port number 8080, you must enter http://134.177.0.123:8080 in your browser.
Note:
Be sure to change the wireless range extender's default configuration password to
a very secure password. The ideal password should contain no dictionary words from
any language, and should be a mixture of letters (both upper and lower case), numbers,
and symbols. Your password can be up to 30 characters.
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