LINKSYS WT54GV40 802.11G Broadband Router with SpeedBooster/Switch User Manual Book

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Date Submitted	2005-05-31 00:00:00
Date Available	2005-05-31 00:00:00
Creation Date	2005-02-16 16:35:55
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Document Author:	bewalter

Wireless-G Broadband Router with SpeedBooster
The Applications and Gaming Tab - Port Range Forward
The Applications and Gaming Tab allows you to set 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.)
To forward a port, enter the information on each line for the criteria required. Descriptions of each criteria are
described here.
Application. In this field, enter the name you wish to give the application. Each name can be up to 12 characters.
Start/End. This is the port range. Enter the number that starts the port range under Start and the number that
ends the range under End.
Protocol. Enter the protocol used for this application, either TCP or UDP, or Both.
IP Address. For each application, enter the IP Address of the PC running the specific application.
Figure 6-31: Applications and Gaming Tab Port Range Forward
Enable. Click the Enable checkbox to enable port forwarding for the relevant application.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
tcp: a network protocol for transmitting data that requires
acknowledgement from the recipient of data sent
udp: a network protocol for transmitting data
that does not require acknowledgement from
the recipient of the data that is sent.
ip (internet protocol): a protocol
used to send data over a network
ip address : the address used to identify
a computer or device on a network
Chapter 5: Configuring the Wireless-G Broadband Router
The Applications and Gaming Tab - Port Range Forward
51
Wireless-G Broadband Router with SpeedBooster
The Applications & Gaming Tab - Port Triggering
The Port Triggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of
the computer that sends the matching data is remembered by the Router, so that when the requested data
returns through the Router, the data is pulled back to the proper computer by way of IP address and port mapping
rules.
Port Triggering
Application. Enter the application name of the trigger.
Triggered Range
For each application, list the triggered port number range. Check with the Internet application documentation for
the port number(s) needed.
Start Port. Enter the starting port number of the Triggered Range.
End Port. Enter the ending port number of the Triggered Range.
Figure 6-32: Applications and Gaming Tab - Port
Triggering
Forwarded Range
For each application, list the forwarded port number range. Check with the Internet application documentation for
the port number(s) needed.
Start Port. Enter the starting port number of the Forwarded Range.
End Port. Enter the ending port number of the Forwarded Range.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Chapter 5: Configuring the Wireless-G Broadband Router
The Applications & Gaming Tab - Port Triggering
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Wireless-G Broadband Router with SpeedBooster
The Applications and Gaming Tab - DMZ
The DMZ feature allows one network user to be exposed to the Internet for use of a special-purpose service such
as Internet gaming or videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port
Range Forward feature is more secure because it only opens the ports you want to have opened, while DMZ
hosting opens all the ports of one computer, exposing the computer to the Internet.
Any PC whose port is being forwarded must 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.
To expose one PC, select Enable. Then, enter the computer's IP address in the DMZ Host IP Address field.
Figure 6-33: Applications and Gaming Tab - DMZ
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel 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 videoconferencing.
There are three types of QoS available, Device Priority, Application Priority, and Ethernet Port Priority.
Enabled/Disabled. To limit outgoing bandwidth for the QoS policies in use, select Enable. Otherwise, select Disable.
Upstream Bandwidth. Select the bandwidth to be used from the drop-down menu.This setting allows you to
limit the outgoing bandwidth for the QoS policies in use, so you can control how much bandwidth a particular
application is allowed to use.
Device Priority
Enter the name of your network device in the Device name field, enter its MAC Address, then select its priority
from the drop-down menu.
Ethernet Port Priority
Ethernet Port Priority QoS allows you to prioritize performance for four of the Router’s ports, LAN Ports 1-4. For
each of these ports, select High or Low for Priority. For Flow Control, if you want the Router to control the
transmission of data between network devices, select Enable. To disable this feature, select Disable. The
Chapter 5: Configuring the Wireless-G Broadband Router
The Applications and Gaming Tab - DMZ
Figure 6-34: Applications and Gaming Tab - QOS
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Wireless-G Broadband Router with SpeedBooster
Router’s other four ports will be automatically assigned low priority. Incoming Rate Limit limits the incoming
bandwidth. To use this feature, select 8M, 4M, 2M, 1M, 512K, 256K, or 128K (M stands for Mbps, while K stands for kbps). If
you do not want to use this feature, keep the default, Disable.
Ethernet Port Priority QoS does not require support from your ISP because the prioritized ports are LAN ports
going out to your network.
Application Port Priority
Application Port Priority QoS manages information as it is transmitted and received. Depending on the settings of
the QoS screen, this feature will assign information a high or low priority for the five preset applications and three
additional applications that you specify. For each application, select High or Low for Priority. For Specific Port#, you
can add three additional applications by entering their respective port numbers in the Specific Port# fields.
FTP (File Transfer Protocol). A protocol used to transfer files over a TCP/IP network (Internet, UNIX, etc.). For
example, after developing the HTML pages for a website on a local machine, they are typically uploaded to the
web server using FTP.
HTTP (HyperText Transport Protocol). The communications protocol used to connect to servers on the World
Wide Web. Its primary function is to establish a connection with a web server and transmit HTML pages to the
client web browser.
Telnet. A terminal emulation protocol commonly used on Internet and TCP/IP-based networks. It allows a user at
a terminal or computer to log onto a remote device and run a program.
SMTP (Simple Mail Transfer Protocol). The standard e-mail protocol on the Internet. It is a TCP/IP protocol
that defines the message format and the message transfer agent (MTA), which stores and forwards the mail.
POP3 (Post Office Protocol 3). A standard mail server commonly used on the Internet. It provides a message
store that holds incoming e-mail until users log on and download it. POP3 is a simple system with little selectivity.
All pending messages and attachments are downloaded at the same time. POP3 uses the SMTP messaging
protocol.
Application Name. You can add three additional applications by entering their names in the Application Name
fields.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Chapter 5: Configuring the Wireless-G Broadband Router
QoS
54
Wireless-G Broadband Router with SpeedBooster
The Administration Tab - Management
This section of the Administration tab allows the network’s administrator to manage specific Router functions for
access and security.
Local Router Access. You can change the Router’s password from here. Enter a new Router password and then
type it again in the Re-enter to confirm field to confirm.
Web Access. HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on
the World Wide Web. HTTPS - Uses SSL (Secured Socket Layer) to encrypt data transmitted for higher security.
Select HTTP or HTTPS. Wireless Access Web - If you are using your Wireless Router in a public domain where you
are giving wireless access to your guests, you can disable wireless access to the router’s web-based utility. You
will only be able to access the web-based utility via a wired connection if you disable the setting. Select Enable
to enable wireless access to the Router’s web-based utility or Disable to disable wireless access to the utility.
Remote Router Access. To access the Router remotely, from outside the network, verify that Enable is selected.
Then, enter the port number that will be open to outside access. You will need to enter the Router’s password
when accessing the Router this way, as usual.
Figure 6-35: Administration Tab - Management
UPnP. When using UPnP features, select Enable. Because allowing this may present a risk to security, this
feature is disabled by default.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
The Administration Tab - Log
The Router can keep logs of all traffic for your Internet connection. To disable the Log function, keep the default
setting, Disable. To monitor traffic between the network and the Internet, select Enable. When you wish to view
the logs, click Incoming Log or Outgoing Log, depending on which you wish to view.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Chapter 5: Configuring the Wireless-G Broadband Router
The Administration Tab - Management
Figure 6-36: Administration Tab - Log
55
Wireless-G Broadband Router with SpeedBooster
The Administration Tab - Diagnostics
The diagnostic tests (Ping and Traceroute) allow you to check the connections of your network components.
Ping Test. The Ping test will check the status of a connection. Click the Ping button to open the Ping Test screen.
Enter the address of the PC whose connection you wish to test and how many times you wish to test it. Then,
click the Ping button. The Ping Test screen will show if the test was successful. To stop the test, click the Stop
button. Click the Clear Log button to clear the screen. Click the Close button to return to the Diagnostics screen.
Traceroute Test. To test the performance of a connect, click the Traceroute button. Enter the address of the PC
whose connection you wish to test and click the Ping button. The Traceroute Test screen will show if the test was
successful. To stop the test, click the Stop button. Click the Clear Log button to clear the screen. Click the Close
button to return to the Diagnostics screen.
Figure 6-37: Administration Tab - Diagnostics
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Figure 6-38: The Ping Test
Figure 6-39: The Traceroute Test
Chapter 5: Configuring the Wireless-G Broadband Router
The Administration Tab - Diagnostics
56
Wireless-G Broadband Router with SpeedBooster
The Administration Tab - Factory Defaults
Click the Yes button to reset all configuration settings to their default values, and then click the Save Settings
button. Any settings you have saved will be lost when the default settings are restored. This feature is disabled by
default.
Figure 6-40: Administration Tab - Factory Defaults
The Administration Tab - Firmware Upgrade
Firmware can be upgraded by clicking the Upgrade button after browsing for the firmware, which you can
download from the Linksys website. Do not upgrade your firmware unless you are experiencing problems with
the Router. For more information about upgrading firmware, refer to “Appendix C: Upgrading Firmware”.
Figure 6-41: Administration Tab - Firmware Upgrade
firmware: the programming code that runs a
networking device
upgrade: to replace existing software or firmware
with a newer version
download: to receive a file transmitted over a networ
Chapter 5: Configuring the Wireless-G Broadband Router
The Administration Tab - Factory Defaults
57
Wireless-G Broadband Router with SpeedBooster
The Administration Tab - Config Management
This screen is used to back up or restore the Router’s configuration file.
To back up the Router’s configuration file, click the Backup button. Then follow the on-screen instructions.
To restore the Router’s configuration file, click the Browse button to locate the file, and follow the on-screen
instructions. After you have selected the file, click the Restore button.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes
Figure 6-42: Administration Tab - Config Management
Chapter 5: Configuring the Wireless-G Broadband Router
The Administration Tab - Config Management
58
Wireless-G Broadband Router with SpeedBooster
The Status Tab - Router
The Router screen on the Status Tab displays the Router’s current status.
Firmware Version. This is the Router’s current firmware.
Current Time. This shows the time, as you set on the Setup Tab.
MAC Address. This is the Router’s MAC Address, as seen by your ISP.
Router Name. This is the specific name for the Router, which you set on the Setup Tab.
Host Name. If required by your ISP, this would have been entered on the Setup Tab.
Domain Name. If required by your ISP, this would have been entered on the Setup Tab.
Configuration Type. This shows the information required by your ISP for connection to the Internet. This
information was entered on the Setup Tab. You can Connect or Disconnect your connection here by clicking on
that button.
Figure 6-43: Status Tab - Router
mac address: the unique address that a
manufacturer assigns to each networking device.
isp: your internet provider
domain: a specific name for a network of computers
Chapter 5: Configuring the Wireless-G Broadband Router
The Status Tab - Router
59
Wireless-G Broadband Router with SpeedBooster
The Status Tab - Local Network
The Local Network screen on the Status Tab displays the status of your network.
MAC Address. This is the Router’s MAC Address, as seen on your local, Ethernet network.
IP Address. This shows the Router’s IP Address, as it appears on your local, Ethernet network.
Subnet Mask. When the Router is using a Subnet Mask, it is shown here.
DHCP Server. If you are using the Router as a DHCP server, that will be displayed here.
Start IP Address. For the range of IP Addresses used by devices on your local, Ethernet network, the beginning
of that range is shown here.
Figure 6-44: Status Tab - Local Network
End IP Address. For the range of IP Addresses used by devices on your local, Ethernet network, the end of that
range is shown here.
DHCP Clients Table. Clicking this button will open a screen to show you which PCs are utilizing the Router as a
DHCP server. You can delete PCs from that list, and sever their connections, by checking a Delete box and
clicking the Delete button.
Figure 6-45: DHCP Clients Table
subnet mask: an address code that
determines the size of the network
Chapter 5: Configuring the Wireless-G Broadband Router
The Status Tab - Local Network
60

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