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Page 26 / 68 Scroll up to view Page 21 - 25
20
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - DMZ Host
Broadband Router
Advanced Setup Tab - DMZ Host
The DMZ (Demilitarized Zone) Host feature allows one local user to be exposed to the Internet, not protected by
the Router’s firewall, to use a special-purpose service such as Internet gaming or video conferencing.
Check the
Enable DMZ Host
box to use this feature. Then, enter the
DMZ Private IP Address
, which is the IP
Address of the PC using this feature. 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.
Advanced Setup Tab - Forwarding
Port forwarding can be used to set up public services on your network. When users from the Internet make
certain requests of your network, the Router can forward those requests to computers equipped to handle them.
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, Internet users will be able to communicate with the server, but they will not actually be connected. The
packets will simply be forwarded through the Router.
Port Range Forwarding
1.
Select the Service from the pull-down menu.
2.
If the Service you need is not listed in the menu, please click the
Service Management
button to add the
new Service Name. On the screen that opens, enter the
Service Name
,
Protocol
and
Port Range
. Click the
Add to List
button. Then, click the
Save Setting
button. Click the
Exit
button. The screen will close and you
will be returned to the
Forwarding
screen.
3.
Enter the IP Address of the server that you want the Internet users to access. Then enable the entry by
clicking the box below
Enable
.
4.
Click the
Add to List
button, and configure as many entries as you would like. Click the Save Settings button
to activate the settings you’ve changed. You can also click
Delete selected application
, to delete those
settings you don’t wish to use.
Figure 5-20: Advanced Setup Tab - DMZ Host
Figure 5-21: Advanced Setup Tab - Forwarding
HTTP
(
H
yper
T
ext
T
ransport
P
rotocol): the communications
protocol used to connect to servers on the Internet.
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Page 27 / 68
21
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - UPnP
Broadband Router
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 trigger port numbers, and the
Incoming Port Range
.
2.
Click the
Add to List
button to add Port Triggering or
Delete selected application
to delete applications.
Click the
Show Tables
button to display the services you have assigned for Port Forwarding or Port Triggering.
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.
Advanced Setup Tab - UPnP
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 by selecting
Yes
.
1.
Select the Service from the pull-down menu.
2.
Enter the Name or IP Address of the server that you want the Internet users to access. Then enable the entry
by clicking the box below
Enable
.
3.
If the Service you need is not listed in menu, please click the
Service Management
button. A new screen
will open and, from there, add the new
Service Name
, and
Protocol
as well as
External
and
Internal Ports
.
Click the
Add to List
button. Then, click the
Save Setting
button. Click the
Exit
button and you will be
returned to the UPnP screen.
4.
Click the
Add to List
button, and configure as many entries as you would like. Click the Save Settings button
to activate the settings you’ve changed. You can also click
Delete selected application
, to delete those
settings you don’t wish to use.
Click the
Show Tables
button to display the services you have assigned for Port Forwarding or Port Triggering.
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.
Figure 5-23: Advanced Setup Tab - UPnP
Figure 5-22: Service Management
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Page 28 / 68
22
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - DDNS
Broadband Router
Advanced Setup Tab - DDNS
DDNS (Dynamic DNS) service allows you to assign a fixed domain name to a dynamic Internet IP address. This
allows you to host your own Web, FTP or other type of TCP/IP server in your LAN over either of the Internet ports.
Before configuring DDNS, you need to visit
www.dyndns.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, select
DynDNS.org
from the
pull-down menu, and enter the
User name
,
Password
, and
Host Name
of the account you set up with
DynDNS.org.
Internet IP Address
: The current Internet IP Address of the Internet port being utilized is displayed here.
Because it is dynamic, this will occasionally change.
Status
: The status of the DDNS function and Internet connection is displayed.
Click the
Save Settings
button to save the DDNS settings or click the
Cancel Changes
button to undo your
changes.
Advanced 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. 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
NAT
mode if this Router is hosting your network’s connection to the Internet. Select
Router
mode if this Router exists on a network with other routers, including a separate network gateway that
handles the Internet connection. In Router Mode, any computer connected to the Router will not be able to
connect to the Internet unless you have another router function as the gateway.
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 a protocol for receiving data from the network. (None, RIPv1, RIPv2, Both RIPv1
and v2).
Figure 5-24: Advanced Setup Tab - DDNS
Figure 5-25: Advanced Setup Tab - Advanced Routing
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23
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - Advanced Routing
Broadband Router
Transmit RIP versions
: Choose a protocol for transmitting data on the network. (None, RIPv1, RIPv2-Broadcast,
RIPv2-Multicast)
Static Routing
You will need to configure Static Routing if there are multiple routers installed on your network. The static routing
function determines the path that data follows over your network before and after it passes through this Router.
You can use static routing to allow different IP domain users to access the Internet.
In many cases, it is better to use dynamic routing (see above), as that allows 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.
To set up static routing, add routing entries in the Router's table that tell the device where to send all incoming
packets. All of your network routers should direct the default route entry to this Router.
Enter the following data to create a static route entry:
1.
Destination IP
: Enter the network address of the remote LAN segment. For a standard Class C IP domain, the
network address is the first three fields of the Destination LAN IP, while the last field should be zero.
2.
Subnet Mask
: Enter the Subnet Mask used on the destination LAN IP domain. For Class C IP domains, the
Subnet Mask is 255.255.255.0.
3.
Default Gateway
: If this Router is used to connect your network to the Internet, then your gateway IP is the
Router's IP Address. If you have another router handling your network's Internet connection, enter the IP
Address of that router instead.
4.
Hop Count
(max. 15): This value gives the number of nodes that a data packet passes through before
reaching its destination. A node is any device on the network, such as switches, PCs, etc.
5.
Interface
(LAN, Internet1, Internet2): Select whether your network is on the LAN or one of the Internet ports.
If you’re connecting to a sub-network, select
LAN
. If you’re connecting to another network through one of the
Internet ports, select
Internet1
or
Internet2
.
Click
Add to list
to add a static route entry or click
Delete Selected IP
to delete the static route entry.
Click the
Save Settings
button to save the Routing settings, click the
Cancel Changes
button to undo your
changes or click the
Show Routing Table
button to view the current routing table.
NOTE:
Static Routing is an
advanced feature
.
Please proceed with caution.
default gateway:
a device that forwards
Internet traffic from your local area network.
node:
a network junction or connection
point, typically a computer or work station.
static routing:
forwarding data
in a network via a fixed path.
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Page 30 / 68
24
Chapter 5: Setting Up and Configuring the Broadband Router
Advanced Setup Tab - VPN Pass Through
Broadband Router
Advanced Setup Tab - VPN Pass Through
The VPN Pass Through screen allows you to enable or disable IPSec Pass Through, PPTP Pass Through, and L2TP
Pass Through.
IPSec Pass Through
: Internet Protocol Security (IPSec) is a suite of protocols used to implement secure
exchange of packets at the IP layer. IPSec Pass Through is enabled by default to allow IPSec tunnels to pass
through the Router.
PPTP Pass Through
: Point to Point Tunneling Protocol (PPTP) Pass Through is the method used to enable VPN
sessions. PPTP Pass Through is enabled by default.
L2TP Pass Through
: Layer 2 Tunneling Protocol (L2TP) Pass Through is the method used to enable VPN sessions.
PPTP Pass Through is enabled by default.
Click the
Save Settings
button when you finish the VPN Pass Through settings, or click the
Cancel Changes
button to undo the changes.
Advanced Setup Tab - Remote Management
If you want to manage this Router from a remote location over the Internet, click the
Enable
button. You can
enter any port number from 0 to 65, 535 for remote management. You can also set up remote management for a
different number.
Click the
Save Settings
button to save your settings, or click the
Cancel Changes
button to undo the changes.
Figure 5-26: Advanced Setup Tab - VPN Pass Through
Figure 5-27: Advanced Setup Tab - Remote Management
VPN
(
V
irtual
P
rivate
N
etwork): a security
measure to protect data as it leaves one
network and goes to another over the Internet.
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