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Reference Manual for the NETGEAR RangeMax™ Wireless Access Point WPN802
Wireless Configuration
4-3
202-10101-01, 4 May 2005
•
Country/Region:
It may not be legal to operate the access point in a country/region other than
the country/region shown here. See online help for more details. To change the Country/
Region, select from the drop-down list. The region selection feature may not be available in all
countries.
•
Wireless Network Name (SSID):
The default is NETGEAR. Enter a 32-character
(maximum). The characters are case sensitive.
Note:
You will not get a wireless network connection unless the network SSID matches
exactly what is configured in the access point.
•
Broadcast Wireless Network Name (SSID):
If enabled, the Wireless Access Point will
broadcast its SSID. If set to disable, the SSID is not broadcast.
•
Operating Mode:
Select the desired wireless operating mode. The default is Auto (11g/11b).
You can change this to 11g Only, or 11b Only.
•
Channel/Frequency:
Select the channel for your wireless LAN. This feature is disabled if
AutoCell is enabled. It should not be necessary to change the wireless channel unless you
notice interference problems with another nearby access point. For more information on the
wireless channel frequencies please refer to
“Wireless Channels” on page B-7
.
•
Data Rate:
The available transmit data rate of the wireless network. Note that 108 Mbps
option is available when the Channel/Frequency is set to channel 6 and the operating mode
is set to 11g Only.
•
Output Power:
Shows the available transmit power of the access point. The possible Tx
power options are: Full, 50%, 25%, 12.5%, and minimum. The transmit power may varies
depends on the local regulatory regulations. Note that this feature will be disabled if
AutoCell is enabled.
Understanding Advanced Wireless Settings
To configure the advanced wireless settings of your wireless access point, click the Wireless Setup
link in the Advanced section of the main menu of the browser interface. The Wireless Settings
menu appears, as shown below.
Page 32 / 88
Reference Manual for the NETGEAR RangeMax™ Wireless Access Point WPN802
4-4
Wireless Configuration
202-10101-01, 4 May 2005
Figure 4-3:
Advanced Wireless Settings menu
•
Enable SuperG Mode:
SuperG Mode may increase the overall wireless performance. The
default setting is Yes.
•
RTS Threshold:
Request to Send Threshold. The packet size that is used to determine if it
should use the CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
mechanism or the CSMA/CA mechanism for packet transmission. With the CSMA/CD
transmission mechanism, the transmitting station sends out the actual packet as soon as it has
waited for the silence period. With the CSMA/CA transmission mechanism, the transmitting
station sends out an RTS packet to the receiving station, and waits for the receiving station to
send back a CTS (Clear to Send) packet before sending the actual packet data. The default is
2346.
•
Fragmentation Length:
The maximum packet size used for fragmentation. Packets larger
than the size programmed in this field will be fragmented. The Fragment Threshold value must
be larger than the RTS Threshold value. The default is 2346
•
Beacon Interval:
The interval time between 20ms and 1000ms for each beacon transmission.
The default is 100.
•
DTIM Interval:
The Delivery Traffic Indication Message. Specifies the data beacon rate
between 1 and 255. The default is 1.
•
Preamble Type:
A long transmit preamble may provide a more reliable connection or slightly
longer range. A short transmit preamble gives better performance. Auto will automatically
handle both long and short preamble. The default is Auto.
Page 33 / 88
Reference Manual for the NETGEAR RangeMax™ Wireless Access Point WPN802
Wireless Configuration
4-5
202-10101-01, 4 May 2005
Implementing Appropriate Wireless Security
Unlike wired network data, your wireless data transmissions can be received well beyond your
walls by anyone with a compatible adapter. For this reason, use the security features of your
wireless equipment. The WPN802 Access Point provides highly effective security features which
are covered in detail in this chapter. Deploy the security features appropriate to your needs.
Figure 4-4:
WPN802 wireless data security options
There are several ways you can enhance the security of your wireless network.
•
Restrict Access Based on MAC address.
You can restrict access to only trusted computers so
that unknown computers cannot wirelessly connect to the WPN802. MAC address filtering
adds an obstacle against unwanted access to your network, but the data broadcast over the
wireless link is fully exposed.
•
Turn Off the Broadcast of the Wireless Network Name SSID.
If you disable broadcast of
the SSID, only devices that have the correct SSID can connect. This nullifies the wireless
network ‘discovery’ feature of some products such as Windows XP, but the data is still fully
exposed to a determined snoop using specialized test equipment like wireless sniffers.
•
WEP.
Wired Equivalent Privacy (WEP) data encryption provides data security. WEP Shared
Key authentication and WEP data encryption will block all but the most determined
eavesdropper.
Note:
Indoors, computers can connect over 802.11b/g wireless networks at ranges of up
to 300 feet. Such distances can allow for others outside of your immediate area to access
your network.
Wireless Data
Security Options
Range: Up to 300 Foot Radius
1) /PEN:
%ASY BUT NO SECURITY
2) -!# !CCESS ,IST:
.O DATA SECURITY
3) 7%0:
4ECURITY BUT VULNERABLE
5) 70! OR 70!604+: 8ERY STRONG SECURITY
9) !UTO#ELL ;& hSTEALTHv MODE
4
Page 34 / 88
Reference Manual for the NETGEAR RangeMax™ Wireless Access Point WPN802
4-6
Wireless Configuration
202-10101-01, 4 May 2005
•
WPA-PSK.
Wi-Fi Protected Access, Pre-Shared Key (WPA-PSK) data encryption provides
strong data security. WPA-PSK will block eavesdropping. Because this is a new standard,
wireless device driver and software availability may be limited.
•
AutoCell Enhanced RF Security.
In addition to standard encryption and security
mechanisms such as WEP and WPA, the WG302 AutoCell Feature provides self-organizing
micro cells for an additional level of privacy for enterprises. In this mode, AutoCell shrinks
the size of coverage to the minimum to reach clients but also shrinks the size of the beacons
that access points use to announce their presence. This mode makes an enterprise wireless
LAN nearly invisible to users outside an office building. AutoCell clients such as the
NETGEAR WAG511 are highly recommended for Enhanced RF Security.
Page 35 / 88
Reference Manual for the NETGEAR RangeMax™ Wireless Access Point WPN802
Wireless Configuration
4-7
202-10101-01, 4 May 2005
Information to Gather Before Changing Basic Wireless Settings
Before customizing your wireless settings, print this form and record the following information. If
you are working with an existing wireless network, the person who set up or is responsible for the
network will be able to provide this information. Otherwise, you will choose the settings for your
wireless network. Either way, record the settings for your wireless network in the spaces below.
•
Wireless Network Name (SSID)
:
______________________________
The SSID, identifies
the wireless network. You can use up to 32 alphanumeric characters. The SSID
is
case
sensitive. The SSID in the wireless adapter card must match the SSID of the wireless access
point. In some configuration utilities (such as in Windows XP), the term “wireless network
name” is used instead of SSID.
•
If WEP Authentication is Used.
Circle one:
Open System
,
Shared Key, or Auto
.
Note:
If you select Shared Key, the other devices in the network will not connect unless they
are set to Shared Key as well and are configured with the correct key.
–
WEP Encryption key size
. Choose one:
64-bit
or
128-bit
. Again, the encryption key size
must be the same for the wireless adapters and the wireless access point.
–
Data Encryption (WEP) Keys
. There are two methods for creating WEP data encryption
keys. Whichever method you use, record the key values in the spaces below.
•
Passphrase method
. ______________________________
These characters
are
case
sensitive. Enter a word or group of printable characters and click the Generate Keys
button. Not all wireless devices support the passphrase method.
•
Manual method
. These values
are not
case sensitive. For 64-bit WEP, enter 10 hex
digits (any combination of 0-9 or a-f). For 128-bit WEP, enter 26 hex digits.
Key 1: ___________________________________
Key 2: ___________________________________
Key 3: ___________________________________
Key 4: ___________________________________
•
If WPA-PSK Authentication is Used.
–
Passphrase
: ______________________________
These characters
are
case sensitive.
Enter a word or group of printable characters. When you use WPA-PSK, the other devices
in the network will not connect unless they are set to WPA-PSK as well and are configured
with the correct Passphrase.
Use the procedures described in the following sections to configure the WPN802. Store this
information in a safe place.

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