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Page 96 / 143 Scroll up to view Page 91 - 95
Advanced Settings
96
N450 Wireless Router WNR2500
A screen similar to the following displays:
6.
In the Service Name field, type a descriptive service name.
7.
In the Service User list, select
Any
(the default) to allow any computer on the Internet to use
this service.
Otherwise, select
Single address
, and enter the IP address of one computer to restrict
the service to a particular computer.
8.
In the Service Type list, select the protocol. Select either
TCP
or
UDP
or
TCP/UDP
.
9.
In the Triggering Port field, enter the number of the outbound traffic port that should open the
inbound ports.
10.
Enter the inbound connection port information in the Connection Type, Starting Port, and
Ending Port fields.
11.
Click the
Apply
button.
The service is added to the Port Triggering Portmap Table on the Port Forwarding / Port
Triggering screen. By default, the service is enabled, that is, the Enable check box is
selected.
To edit or delete a port triggering entry:
1.
Select
ADVANCED > Advanced Setup > Port Forwarding / Port Triggering
.
The Port Forwarding
/ Port Triggering screen displays.
2.
Select the
Port Triggering
radio button.
The screen adjusts to display the port triggering information.
3.
In the Port Triggering Portmap Table, select the radio button next to the service that you
want to edit or delete.
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Advanced Settings
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N450 Wireless Router WNR2500
4.
To edit the service, click the
Edit Service
button.
The Port Triggering - Services screen displays.
a.
Edit the service.
b.
Click the
Apply
button.
5.
To delete the service, click the
Delete Service
button.
The service is removed from the table.
Dynamic DNS
If your Internet service provider (ISP) gave you 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 do not know in advance what your IP address is, and the address can change
frequently. In this case, you can use a commercial Dynamic DNS service. This type of service
lets you register your domain to their IP address and forwards traffic directed at your domain
to your frequently changing IP address.
If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x), the Dynamic
DNS service does not work because private addresses are not routed on the Internet.
Your router contains a client that can connect to the Dynamic DNS service provided by
DynDNS.org. First visit their website at
and obtain an account and
host name that you configure in the router. Then, whenever your ISP-assigned IP address
changes, your router automatically contacts the Dynamic DNS service provider, logs in to
your account, and registers your new IP address. If your host name is hostname, for
example, you can reach your router at http://hostname.dyndns.org.
Note:
Before you set up Dynamic DNS on router, first register an account
with one of the Dynamic DNS service providers whose URLs display
in the Service Provider list on the Dynamic DNS screen.
To set up Dynamic DNS:
1.
Select
ADVANCED > Advanced Setup > Dynamic DNS
.
Page 98 / 143
Advanced Settings
98
N450 Wireless Router WNR2500
A screen similar to the following displays:
2.
Select the
Use a Dynamic DNS Service
check box.
3.
Select the URL of your Dynamic DNS service provider.
4.
Type the host name (or domain name) that your Dynamic DNS service provider gave you.
5.
Type the user name for your Dynamic DNS account.
This name is the name that you use to log in to your account, not your host name.
6.
Type the password (or key) for your Dynamic DNS account.
7.
Click the
Apply
button.
8.
To verify the Dynamic DNS status, click the
Show Status
button.
Static Routes
Static routes provide more routing information to your router. Under usual circumstances, the
router has adequate routing information after it has been configured for Internet access, and
you do not need to configure more static routes. You must configure static routes only for
unusual cases such as multiple routers or multiple IP subnets on your network.
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 192.168.1.100.
Page 99 / 143
Advanced Settings
99
N450 Wireless Router WNR2500
•
Your company’s network address is 134.177.0.0.
When you first configured your router, 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 192.168.1.x addresses. With this configuration, if you attempt to access a
device on the 134.177.0.0 network, your router forwards your request to the ISP. The ISP
forwards your request to the company where you are employed, and the company’s firewall
denies the request.
In this case you must define a static route, telling your router that 134.177.0.0 should be
accessed through the ISDN router at 192.168.1.100. 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 field specifies that all traffic for these addresses should be
forwarded to the ISDN router at 192.168.1.100.
•
A metric value of one works because the ISDN router is on the LAN.
•
Private is selected only as a precautionary security measure in case RIP is activated.
To set up a static route:
1.
Select
ADVANCED > Advanced Setup > Static Routes
.
The Static Routes screen displays.
2.
Click the
Add
button.
The screen adjusts:
3.
In the Route Name field, type a name for this static route (for identification purposes only.)
Page 100 / 143
Advanced Settings
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N450 Wireless Router WNR2500
4.
If you want to limit access to the LAN only, select the
Private
check box.
If you select Private, the static route is not reported in RIP.
5.
To make this route effective, select the
Active
check box.
By default, the Active check box is selected.
6.
Type the IP address of the final destination.
7.
Type the IP subnet mask for this destination. If the destination is a single host, type
255.255.255.255
.
8.
Type the gateway IP address, which must be a router on the same LAN segment as the
N450 Wireless Router.
9.
Type a number from 1 through 15 as the metric value.
This value represents the number of routers between your network and the destination.
Usually, a setting of 2 or 3 works, but if this link is a direct connection, set it to 1.
10.
Click the
Apply
button.
The route is added to the table on the Static Routes screen.
To edit or delete a static route:
1.
Select
ADVANCED > Advanced Setup > Static Routes
.
The Static Routes screen displays.
2.
In the table, select the radio button next to the route that you want to edit or delete.
3.
To edit the route, click the
Edit
button.
The Static Routes screen adjusts.
a.
Edit the route information.
b.
Click the
Apply
button.
4.
To delete the route, click the
Delete
button.
The route is removed from the table.
Remote Management
You can upgrade or check the status of your router over the Internet.
Note:
Before you enable remote management, be sure to change the
router’s default login password to a secure password. The ideal
password should contain no dictionary words from any language and
contain uppercase and lowercase letters, numbers, and symbols. It
can be up to 30 characters.

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