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Page 31 / 105 Scroll up to view Page 26 - 30
22
Chapter 5: Setting Up and Configuring the Router
Setup Tab - DMZ Host
10/100 8-Port VPN Router
Setup Tab - DMZ Host
The DMZ (Demilitarized Zone) Host feature opens the firewall for one of your network’s users so they can access
the Internet to use a special-purpose service such as Internet gaming or video conferencing. This user, however,
is unprotected by the firewall.
To open the firewall for one network user to access one website, and visa versa, utilize the One-to-One NAT
feature.
Enter the
DMZ Private IP Address
to access the DMZ Host settings. The Default value zero (0) will deactivate the
DMZ Host.
Click the
Save Settings
button to save the DMZ Host setting or click the
Cancel Changes
button to undo the
changes.
Setup Tab - Forwarding
Port forwarding can be used to set up public services on your network. When users outside your network (i.e.,
from the Internet) make certain requests on your network, the Router can forward those requests to the
appropriate computers equipped to handle the requests. If, for example, you set port number 80 (HTTP) to be
forwarded to IP Address 192.168.1.2, then all HTTP requests from outside users will be forwarded to 192.168.1.2.
You may use this function to establish a Web server or FTP server via an IP Gateway. Be sure that you enter a
valid IP Address. (You may need to establish a static IP address in order to properly run an Internet server.) For
added security, those outside your network (i.e., from the Internet) will be able to communicate with the server
but they will not actually be connected. Those packets will simply be forwarded through the Router.
Figure 5-14: Setup Tab - DMZ Host
Figure 5-15: Setup Tab - Forwarding
http:
the communications protocol used to
connect to servers on the World Wide Web.
Page 32 / 105
23
Chapter 5: Setting Up and Configuring the Router
Setup Tab - Forwarding
10/100 8-Port VPN Router
Port Range Forwarding
1.
Select the Service from the pull-down menu, shown in Figure 5-15.
2.
If the Service you need is not listed in the menu, please click the
Service Management
button to add the
new Service Name, and enter the Protocol and Port Range. This will open the Service Management screen.
Click the
Add to List
button. Then, click the
Save Setting
button. Click the
Exit
button.
3.
Enter the IP Address of the server that you want the Internet users to access. Then enable the entry.
4.
Click the
Add to List
button, and configure as many entries as you would like. You also can
Delete selected
application
.
Port Triggering
Some Internet applications or games use alternate ports to communicate between server and LAN host. When
you want to use those applications, enter the triggering (outgoing) port and alternate incoming port in this table.
The Router will forward the incoming packets to the LAN host.
1.
Enter the application name, range of port numbers, and the incoming port range.
2.
You can click the
Add to List
button, shown in Figure 5-15, to add Port Triggering or
Delete selected
application
.
Click the
Save Settings
button to save the settings, click the
Cancel Changes
button to undo your changes, click
the Show Tables to see the details.
NOTE:
The Router’s WAN IP (NAT Public) Address may not be included in a range.
NOTE:
One-to-One NAT does not change the way the firewall functions work. Access to
machines on the LAN from the Internet will not be allowed unless Network Access Rules are set.
Figure 5-16: Port Range Forwarding -
Service Management
Page 33 / 105
24
Chapter 5: Setting Up and Configuring the Router
Setup Tab - UPnP Page
10/100 8-Port VPN Router
Setup Tab - UPnP Page
UPnP forwarding can be used to set up public services on your network. Windows XP can modify those entries
via UPnP when UPnP function is enabled.
UPnP Function: Enable this function by selecting
Yes
. The default setting for this feature is
No
.
To add a UPnP function:
1.
Select the Service from the pull-down menu.
2.
If the Service you need is not listed in menu, please click the
Service Management
button to add the new
Service Name, and enter the Protocol and Port Range. Click the
Add to List
button. Then, click the
Save
Setting
button. Click the
Exit
button.
3.
Enter the Name or IP Address of the server that you want the Internet users to access. Then enable the entry.
Click the
Add to List
button, and configure as many entries as you would like. You also can
Delete selected
application
. You can also see the specifics of each service you’ve added by clicking the
Show Tables
button.
Setup Tab - One-to-One NAT
One-to-One NAT opens the firewall for one network user a lot like the DMZ host feature. In this feature, however,
the network user is restricted to a single website.
To enable One-to-One NAT, check the
Enable
box at the top of the screen.
To set this up, you must define internal and external address ranges of equal length. Set the beginning of the
Private Range - this will be a range of IP Addresses on your network. Then, set the beginning of the Public Range
- this is the range of IP Addresses on the Internet. Lastly, set the Range Length. For however long this length is,
each first address will correspond and connect, as will the second, third, forth, etc. Up to 64 ranges may be
added. To map a single address, use a Range Length of 1.
Click the
Save Settings
button to save the settings or click the
Cancel Changes
button to undo your changes.
Figure 5-17: Setup Tab - UPnP
Figure 5-18: Setup Tab - One-to-One NAT
NOTE:
One-to-One NAT does change the way the firewall functions work.
Access to machines on the LAN from the Internet will be allowed unless
Network Access Rules are set.
Page 34 / 105
25
Chapter 5: Setting Up and Configuring the Router
Setup Tab - MAC Clone
10/100 8-Port VPN Router
Setup Tab - MAC Clone
Some ISPs require that you register a MAC address. The MAC Clone feature “clones” your network adapter's
MAC address onto the Router, and prevents you from having to call your ISP to change the registered MAC
address to the Router's MAC address. The Router's MAC address is a 12-digit code assigned to a unique piece of
hardware for identification.
Enter the MAC Address in the User Defined WAN1 or WAN2 MAC Address field or select
MAC Address from this
PC
.
Click
Save Settings
to save the MAC Cloning settings or click the
Cancel Changes
button to undo your changes.
Setup Tab - DDNS
DDNS (Dynamic DNS) service allows you to assign a fixed domain name to a dynamic WAN IP address. This
allows you to host your own Web, FTP or other type of TCP/IP server in your LAN.
Before configuring DDNS, you need to visit
www.dyndns.org
or
www.3322.org
and register a domain name. (The
DDNS service is provided by DynDNS.org).
DDNS Service
: The DDNS feature is disabled by default. To enable this feature, just select
DynDNS.org
or
3322.org
from the pull-down menu, and enter the User name, Password, and Host Name of the account you set
up with the DDNS service.
Your IP Address
: The current IP Address for the WAN port (1 or 2) is displayed here. Because it is dynamic, this
will change.
Status
: The status of the DDNS function and Internet status is displayed.
Click the
Save Settings
button to save the DDNS settings or click the
Cancel Changes
button to undo your
changes.
NOTE:
This Router is also capable of dynamic routing from the DHCP tab. In many
cases, it is better to use dynamic routing because the function will allow the Router to
automatically adjust to physical changes in the network's layout. In order to use static
routing, the Router's DHCP settings must be disabled.
Figure 5-20: Setup Tab - DDNS
Figure 5-19: Setup Tab - MAC Clone
Page 35 / 105
26
Chapter 5: Setting Up and Configuring the Router
Setup Tab - Advanced Routing
10/100 8-Port VPN Router
Setup Tab - Advanced Routing
Dynamic Routing
The Router's dynamic routing feature can be used to automatically adjust to physical changes in the network's
layout. The Router uses the dynamic RIP protocol, which is a networking protocol to manage network
communications or communications between networks. It determines the route that the network packets take
based on the fewest number of hops between the source and the destination. The RIP protocol regularly
broadcasts routing information to other routers on the network.
Working Mode
: Select
Gateway
mode if the Router is hosting your network’s connection to the Internet. Select
Router
mode if the Router exists on a network with other routers, including a separate network gateway that
handles the Internet connection. When this Router is in Router Mode, you must have another router function as
the gateway in order for any computer connected to the Router to be able to connect to the Internet.
RIP
(Routing Information Protocol): The Router, using the RIP protocol, calculates the most efficient route for the
network’s data packets to travel between the source and the destination, based upon the shortest paths.
Receive RIP versions
: Choose the protocol for receiving data from the network. (None, RIPv1, RIPv2, Both RIPv1
and v2).
Transmit RIP versions
: Choose the protocol for transmitting data on the network. (None, RIPv1,
RIPv2-Broadcast, RIPv2-Multicast)
Figure 5-21: Setup Tab - Advanced Routing

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