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Chapter 4: Configuring the Gateway
The Applications and Gaming Tab
Wireless-G ADSL Gateway with 2 Phone Ports
The Applications and Gaming Tab
Single Port Forwarding
PVC Connection Select
PVC stands for "Permanent Virtual Circuit".
It is a virtual circuit link between two nodes for ATM (Asynchronous
Transfer Mode) network. Each PVC functions as a separate Internet connection. You may set up to eight PVCs on
the Gateway.
PortMap List
The Single Port Forwarding screen provides options for customization of port services for common applications.
When users send this type of request to your network via the Internet, the Gateway will forward those requests to
the appropriate computer. Any computer whose port is being forwarded should have its DHCP client function
disabled and should have a new static IP address assigned to it because its IP address may change when using
the DHCP function.
Choose or enter the Application in the field. Then, enter the External and Internal Port numbers in the fields.
Select the type of protocol you wish to use for each application:
TCP
or
UDP
. Enter the IP Address in the field.
Click
Enabled
to enable Forwarding for the chosen application.
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 4-37: Applications and Gaming Tab -
Single Port Forwarding
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Chapter 4: Configuring the Gateway
The Applications and Gaming Tab
Wireless-G ADSL Gateway with 2 Phone Ports
Port Range Forwarding
The Port Forwarding screen sets up public services on your network, such as web servers, ftp servers, e-mail
servers, or other specialized Internet applications. (Specialized Internet applications are any applications that use
Internet access to perform functions such as videoconferencing or online gaming. Some Internet applications
may not require any forwarding.)
When users send this type of request to your network via the Internet, the Gateway will forward those requests to
the appropriate computer. Any computer whose port is being forwarded should have its DHCP client function
disabled and should have a new static IP address assigned to it because its IP address may change when using
the DHCP function.
Application. Enter the name you wish to give each application.
Port Range (Start and End). Enter the starting and ending numbers of the port you wish to forward.
Protocol. Select the type of protocol you wish to use for each application:
TCP
,
UDP
, or
Both
.
IP Address. Enter the IP Address for the application.
Click
Enable
to enable that application.
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.
Port Triggering
Port Triggering is used for special applications that can request a port to be opened on demand. For this feature,
the Gateway will watch outgoing data for specific port numbers. The Gateway will remember the IP address of
the computer that sends a transmission requesting data, so that when the requested data returns through the
Gateway, the data is pulled back to the proper computer by way of IP address and port mapping rules.
Application. Enter the name you wish to give each application.
Start Port and End Port. Enter the starting and ending Triggered Range numbers and the Incoming Forwarded
Range numbers of the port you wish to forward.
Click
Enable
to enable that application.
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 4-38: Applications and Gaming Tab -
Port Range Forwarding
Figure 4-39: Applications and Gaming Tab -
Port Triggering
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Chapter 4: Configuring the Gateway
The Applications and Gaming Tab
Wireless-G ADSL Gateway with 2 Phone Ports
DMZ
The DMZ screen allows one local user to be exposed to the Internet for use of a special-purpose service such as
Internet gaming and videoconferencing through DMZ Hosting. DMZ hosting forwards all the ports for one
computer at the same time, which differs from Port Range Forwarding, which can only forward a maximum of 10
ranges of ports.
DMZ Hosting
. This feature allows one local user to be exposed to the Internet for use of a special-purpose
service such as Internet gaming and videoconferencing. To use this feature, select
Enabled
. To disable DMZ ,
select
Disabled
.
DMZ Host IP Address
. To expose one computer, enter the computer’s IP address. To get the IP address of a
computer, refer to
Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter
.
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.
QOS
Quality of Service (QoS) ensures better service to high-priority types of network traffic, which may involve
demanding, real-time applications, such as Internet phone calls or videoconferencing.
Enabled/Disabled
. To utilize QoS on the Gateway, select
Enabled
. Otherwise, keep the default,
Disabled
.
PVC QoS Priority
PVC-based QoS assigns different levels of priority, or precedence, to different PVC (Permanent Virtual Circuit).
This is useful when you have, for example, one PVC set up for traditional Internet Services (Web Browsing,
E-mail ) and another PVC set up to carry time delay sensitive data, such as VoIP or IPTV stream. And give the
second PVC a higher level priority helps to ensure the best possibility voice or picture quality. Select from
None
,
Low
,
Medium
, and
High
.
Figure 4-40: Applications and Gaming Tab - DMZ
Figure 4-41: Applications and Gaming Tab - QOS
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Chapter 4: Configuring the Gateway
The Applications and Gaming Tab
Wireless-G ADSL Gateway with 2 Phone Ports
Edit list of QoS Settings
In addition to PVC-based QoS, you can assign different levels of priority to different packets based on information
in the packets. To do this, click the
Edit list of QoS Settings
button. The QoS Function screen will appear.
This screen will let you set the priority for packets selected by any of the following criteria, alone or in
combination:
Destination (IP address and address mask, FQDN-fully qualified domain name, or MAC address)
Source (IP address and address mask, or MAC address)
Transport protocol (TCP, UDP, or All)
Destination port and/or source port (if protocol is set to TCP or UDP)
Ethernet Type value (the value in the 13th and 14th octets of an Ethernet frame)
Triggering of a particular application layer gateway (FTP, TFTP, H.323, IRC, MMS, GRE, PPTP or SIP)
Presence of a specified IEEE 802.1D user priority marker
Presence of a specified IEEE 802.1Q virtual LAN (VLAN) ID
Packet length between specified minimum and maximum numbers of octets.
Fragment packets' size of AF and BE traffic to be equal to the size of EF traffic:
Enable this option and input a packet size to have large Assured Forwarding (medium priority) and Best Effort
(low priority) packets fragmented so they will not delay Expedited Forwarding (high priority) packets. The value
you enter should be from 68 to 1492.
When you have finished making changes on this screen, click the
Save
button to save the changes, or click the
Cancel
button to undo your changes. Then click
Close
.
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 4-42: Applications and Gaming Tab - QOS Function
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46
Chapter 4: Configuring the Gateway
The Administration Tab
Wireless-G ADSL Gateway with 2 Phone Ports
The Administration Tab
Management
The Management screen allows you to change the Gateway’s access settings as well as configure the SNMP
(Simple Network Management Protocol) and UPnP (Universal Plug and Play) features.
Gateway Access
Local Gateway Access
. To ensure the Gateway’s security, you will be asked for your password when you access
the Gateway’s Web-based Utility. The default username and password is admin.
Gateway Username
. Enter the default
admin
. You should change the default username for increased security.
Gateway Password
. You should set your own password for increased security.
Re-enter to confirm
. Re-enter the Gateway’s new Password to confirm it.
Remote Management
. This feature allows you to access the Gateway from a remote location, via the Internet.
Remote Username
. Enter the default
admin
. You should change the default username for increased security.
Remote Password
. You should set your own password for increased security.
Re-enter to confirm
. Re-enter the Gateway’s new Password to confirm it.
Management Port
. Enter the port number you will use to remotely access the Gateway.
Allowed IP
. Specify the IP address(es) allowed to remotely manage the Gateway. To allow all IP addresses with
no restrictions, select
All
. To specify a single IP address, select
IP address
and enter the IP address in the fields
provided. To specify a range of IP addresses, select
IP range
and enter the range of IP addresses in the fields
provided.
Use HTTPS
. Enable this option to enable HTTPS.
Remote Upgrade
. This feature allows the Gateway’s firmware to be upgraded remotely by a TFTP server. To
enable Remote Upgrade, click
Enable
.
Figure 4-43: Administration Tab - Management
IMPORTANT:
Enabling remote management allows anyone with access to your
password to configure the Gateway from somewhere else on the Internet.
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