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20
Chapter 5: Configuring the Router
The Wireless Tab - Basic Wireless Settings
Broadband Router with 2 Phone Ports
The Wireless Tab - Basic Wireless Settings
The basic settings for wireless networking are set on this screen.
Wireless Network Mode
. From this drop-down menu, you can select the wireless standards running on your
network. If you have both 802.11g and 802.11b devices in your network, keep the default setting,
Mixed
. If you
have only 802.11g devices, select
G-Only
. If you have only 802.11b devices, select
B-Only
. If you do not have any
802.11g and 802.11b devices in your network, select
Disable
.
Wireless Network Name (SSID)
. The SSID is the network name shared among all points in a wireless network.
The SSID must be identical for all devices in the wireless network. It is case-sensitive and must not exceed 32
characters (use any of the characters on the keyboard). Make sure this setting is the same for all points in your
wireless network. For added security, you should change the default SSID (
linksys
) to a unique name.
Wireless Channel
. Select the appropriate channel from the list provided to correspond with your network
settings. All devices in your wireless network must be broadcast on the same channel in order to function
correctly.
Wireless SSID Broadcast
. When wireless clients survey the local area for wireless networks to associate with,
they will detect the SSID broadcast by the Router. To broadcast the Router's SSID, keep the default setting,
Enable
. If you do not want to broadcast the Router's SSID, then select
Disable
.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
Figure 5-10: Wireless Tab - Basic Wireless Settings
Page 27 / 86
21
Chapter 5: Configuring the Router
The Wireless Tab - Wireless Security
Broadband Router with 2 Phone Ports
The Wireless Tab - Wireless Security
These settings configure the security of your wireless network. There are four wireless security mode options
supported by the Router: WPA Pre-Shared Key, WPA RADIUS, RADIUS, and WEP. (WPA stands for Wi-Fi Protected
Access, which is a security standard stronger than WEP encryption. WEP stands for Wired Equivalent Privacy,
while RADIUS stands for Remote Authentication Dial-In User Service.) These four are briefly discussed here. For
detailed instructions on configuring wireless security for the Router, turn to “Appendix B: Wireless Security.”
WPA Pre-Shared Key
. WPA offers two encryption methods, TKIP and AES, with dynamic encryption keys. Select
the type of algorithm,
TKIP
or
AES
. Enter a WPA Shared Key of 8-63 characters. Then enter a Group Key Renewal
period, which instructs the Router how often it should change the encryption keys.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
WPA RADIUS
. This option features WPA used in coordination with a RADIUS server. (This should only be used
when a RADIUS server is connected to the Router.) First, select the type of WPA algorithm you want to use,
TKIP
or
AES
. Enter the RADIUS server’s IP Address and port number, along with the key shared between the Router and
the server. Last, enter the Key Renewal Timeout period, which instructs the Router how often it should change the
encryption keys.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
Figure 5-11: Wireless Tab - Wireless Security
(WPA Pre-Shared Key)
Figure 5-12: Wireless Tab - Wireless Security
(WPA RADIUS)
Page 28 / 86
22
Chapter 5: Configuring the Router
The Wireless Tab - Wireless Security
Broadband Router with 2 Phone Ports
RADIUS
. This option features WEP used in coordination with a RADIUS server. (This should only be used when a
RADIUS server is connected to the Router.) First, enter the RADIUS server’s IP Address and port number, along
with the key shared between the Router and the server. Then, to indicate which WEP key to use, select a Default
Transmit Key number. Select the appropriate level of WEP encryption,
64 bits 10 hex digits
or
128 bits 26 hex
digits
. If you want to use a Passphrase, then enter it in the
Passphrase
field and click the
Generate
button. If you
want to manually enter the WEP keys, then enter them in the
Key 1-4
fields.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
WEP
. WEP is a basic encryption method, which is not as secure as WPA. To indicate which WEP key to use, select
a Default Transmit Key number. Select the appropriate level of WEP encryption,
64 bits 10 hex digits
or
128 bits
26 hex digits
. If you want to use a Passphrase, then enter it in the
Passphrase
field and click the
Generate
button. If you want to manually enter the WEP keys, then enter them in the
Key 1-4
fields.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
Figure 5-13: Wireless Tab - Wireless Security
(RADIUS)
Figure 5-14: Wireless Tab - Wireless Security
(WPA RADIUS)
Page 29 / 86
23
Chapter 5: Configuring the Router
The Wireless Tab - Wireless MAC Filter
Broadband Router with 2 Phone Ports
The Wireless Tab - Wireless MAC Filter
Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your
network’s radius.
Wireless MAC Filter
. To filter wireless users by MAC Address, either permitting or blocking access, click
Enable
.
If you do not wish to filter users by MAC Address, select
Disable
.
Prevent
. Clicking this button will block wireless access by MAC Address.
Permit Only
. Clicking this button will allow wireless access by MAC Address.
Edit MAC Address Filter List
. Clicking this button will open the MAC Address Filter List. On this screen, you can
list users whose wireless access you to permit or block.
For added convenience, click the
Wireless Client MAC List
button to display a list of wireless network users by
MAC Address. Then click the
Enable MAC Filter
checkbox for any device you want to add to the MAC Address
Filter List. To update the information on this list, click the
Refresh
button. When you have finished making
changes to the
Wireless Client MAC List
screen, click the
Update Filter List
button to save the changes. Click the
Close
button to return to the
MAC Address Filter List
screen.
When you have finished making changes to the
MAC Address Filter List
screen, click the
Save Settings
button to
save the changes, or click the
Cancel Changes
button to undo your changes.
When you have finished making changes to the
Wireless MAC Filter
screen, click the
Save Settings
button to
save the changes, or click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
Figure 5-15: Wireless Tab - Wireless MAC Filter
Figure 5-16: MAC Address Filter List
Figure 5-17: Wireless Client MAC List
Page 30 / 86
24
Chapter 5: Configuring the Router
The Wireless Tab - Advanced Wireless Settings
Broadband Router with 2 Phone Ports
The Wireless Tab - Advanced Wireless Settings
This tab is used to set up the Router’s advanced wireless functions. These settings should only be adjusted by an
expert administrator as incorrect settings can reduce wireless performance.
Authentication Type
. The default is set to
Auto
, which allows either Open System or Shared Key authentication
to be used. With
Open System
authentication, the sender and the recipient do NOT use a WEP key for
authentication. With
Shared Key
authentication, the sender and recipient use a WEP key for authentication.
Transmission Rate
. The rate of data transmission should be set depending on the speed of your wireless
network. You can select from a range of transmission speeds, or you can select
Auto
to have the Router
automatically use the fastest possible data rate and enable the Auto-Fallback feature. Auto-Fallback will
negotiate the best possible connection speed between the Router and a wireless client. The default value is
Auto
.
Beacon Interval
. Enter a value between 1 and 65,535 milliseconds. The Beacon Interval value indicates the
frequency interval of the beacon. A beacon is a packet broadcast by the Router to synchronize the wireless
network. The default value is
100
.
DTIM Interval
. This value, between 1 and 255, indicates the interval of the Delivery Traffic Indication Message
(DTIM). A DTIM field is a countdown field informing clients of the next window for listening to broadcast and
multicast messages. When the Router has buffered broadcast or multicast messages for associated clients, it
sends the next DTIM with a DTIM Interval value. Its clients hear the beacons and awaken to receive the broadcast
and multicast messages. The default value is
3
.
Fragmentation Threshold
. This value specifies the maximum size for a packet before data is fragmented into
multiple packets. If you experience a high packet error rate, you may slightly increase the Fragmentation
Threshold. Setting the Fragmentation Threshold too low may result in poor network performance. Only minor
reduction of the default value is recommended. In most cases, it should remain at its default value of
2346
.
RTS Threshold
. Should you encounter inconsistent data flow, only minor reduction of the default value,
2347
, is
recommended. If a network packet is smaller than the preset RTS threshold size, the RTS/CTS mechanism will
not be enabled. The Router sends Request to Send (RTS) frames to a particular receiving station and negotiates
the sending of a data frame. After receiving an RTS, the wireless station responds with a Clear to Send (CTS)
frame to acknowledge the right to begin transmission. The RTS Threshold value should remain at its default value
of
2347
.
When you have finished making changes to this screen, click the
Save Settings
button to save the changes, or
click the
Cancel Changes
button to undo your changes. For help information, click
Help
.
Figure 5-18: Wireless Tab - Advanced Wireless Settings

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