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Page 31 / 134 Scroll up to view Page 26 - 30
NETGEAR RangeMax™ Dual Band Wireless-N Router WNDR3300 Reference Manual
Safeguarding Your Network
2-7
v1.0, February 2008
•
Region
. This field identifies the region where the WNDR3300 router can be used. It might
not be legal to operate the wireless features of the wireless router in a region other than
one of those identified in this field.
•
Mode
. This field determines which 802.11 data communications protocol is used. You can
select one of the following modes:
–
Up to 270 Mbps at 2.4 GHz
–
Up to 270 Mbps at 5 GHz and 54 Mbps at 2.4 GHz
. This is the default mode.
–
Up to 130 Mbps at 2.4 GHz
–
Up to 130 Mbps at 5 GHz and 54 Mbps at 2.4 GHz
The following information might help you to decide which mode to select:
–
Up To 54 Mbps
. Legacy mode, for compatibility with the slower 802.11b and
802.11g wireless devices.
–
Up To 130 Mbps
. Neighbor Friendly mode, for reduced interference with neighboring
wireless networks. Provides two transmission streams with different data on the same
channel at the same time, but also allows 802.11b and 802.11g wireless devices.
–
Up To 270 Mbps
. Performance mode, using channel expansion to achieve the 270
Mbps data rate. The WNDR3300 router uses the channel you selected as the primary
channel and expands to the secondary channel (primary channel +4 or –4) to achieve a
40 MHz frame-by-frame bandwidth. The WNDR3300 router detects channel usage
and disables frame-by-frame expansion if the expansion would result in interference
with the data transmission of other access points or clients.
Note:
The region selection feature might not be available in all countries.
Note:
The maximum wireless signal rate is derived from the IEEE Standard 802.11
specifications. Actual data throughput will vary. Network conditions and
environmental factors, including volume of network traffic, building materials
and construction, and network overhead, lower actual data throughput rate.
Page 32 / 134
NETGEAR RangeMax™ Dual Band Wireless-N Router WNDR3300 Reference Manual
2-8
Safeguarding Your Network
v1.0, February 2008
•
11N Channel
or
11G Channel
. These fields determine which operating frequency is used
for the 11N or 11G wireless networks. It should not be necessary to change the wireless
channel unless you notice interference problems with another nearby wireless network.
For more information about the wireless channel frequencies, click the link to the online
document
“Wireless Networking Basics” in Appendix B
.
•
Security Options
. These options are the wireless security features that you can enable.
The security options displayed in this screen might change depending on the wireless
mode you select.
–
For a detailed explanation of security standards, see
“Choosing Appropriate Wireless
Security” on page 2-1
, and the online document you can access from
“Wireless
Networking Basics” in Appendix B
, as defined by the IEEE 802.11 wireless
communication standard.
–
For information about configuring WEP, see
“Configuring WEP Wireless Security”
on page 2-8
.
–
For information about configuring WPA, see
“Configuring WPA-PSK, WPA2-PSK,
or WPA-PSK+WPA2-PSK Wireless Security” on page 2-10
.
3.
Click
Apply
to save your settings.
Configuring WEP Wireless Security
WEP Shared Key authentication and WEP data encryption can be defeated by a determined
eavesdropper using publicly available tools.
WEP offers the following options:
•
Open System
. With Open System authentication and 64 or 128 bit WEP data encryption, the
WNDR3300
does
perform data encryption but
does not
perform any authentication. Anyone
can join the network. This setting provides very little practical wireless security.
•
Shared Key
. With Shared Key authentication, a wireless device must know the WEP key to
join the network. Select the encryption strength (64 or 128 bit data encryption). Manually
enter the key values, or enter a word or group of printable characters in the
Passphrase
field.
Manually entered keys
are not
case-sensitive, but passphrase characters
are
case-sensitive.
•
Automatic
. The wireless router automatically detects whether Open System or Shared Key is
used.
Page 33 / 134
NETGEAR RangeMax™ Dual Band Wireless-N Router WNDR3300 Reference Manual
Safeguarding Your Network
2-9
v1.0, February 2008
To configure WEP data encryption:
1.
Select
Wireless Settings
under Setup in the main menu.
2.
In the Security Options area, select
WEP
. The WEP options display.
3.
Select the authentication type and encryption strength.
Note:
If you use a wireless computer to configure WEP settings, you will be disconnected
when you click
Apply
. You must then either configure your wireless adapter to
match the wireless router WEP settings or access the wireless router from a wired
computer to make any further changes. Not all wireless adapter configuration
utilities support passphrase key generation.
Figure 2-3
Page 34 / 134
NETGEAR RangeMax™ Dual Band Wireless-N Router WNDR3300 Reference Manual
2-10
Safeguarding Your Network
v1.0, February 2008
4.
You can manually or automatically program the four data encryption keys. These values must
be identical on all computers and access points in your network.
•
Automatic
. In the
Passphrase
field, enter a word or group of printable characters, and
click
Generate
. The passphrase is case-sensitive. For example, NETGEAR is not the
same as nETgear. The four key fields are automatically populated with key values.
•
Manual
. Enter 10 hexadecimal digits (any combination of 0–9, a–f, or A–F). These
entries are not case-sensitive. For example, AA is the same as aa.
Select which of the four keys to activate.
5.
Click
Apply
to save your settings.
Configuring WPA-PSK, WPA2-PSK, or WPA-PSK+WPA2-PSK
Wireless Security
Wi-Fi Protected Access with Pre-Shared Key (WPA-PSK and WPA2-PSK) data encryption
provides extremely strong data security, very effectively blocking eavesdropping. Because WPA
and WPA2 are relatively new standards, older wireless adapters and devices might not support
them. Check whether newer drivers are available from the manufacturer.
WPA–Pre-Shared Key
does
perform authentication. WPA-PSK uses TKIP (Temporal Key
Integrity Protocol) data encryption, and WPA2-PSK uses AES (Advanced Encryption Standard)
data encryption. Both methods dynamically change the encryption keys making them nearly
impossible to circumvent.
Mixed mode allows clients using either WPA-PSK (TKIP) or WPA2-PSK (AES). This provides
the most reliable security, and is easiest to implement, but it might not be compatible with older
adapters.
To configure WPA-PSK, WPA2-PSK or WPA-PSK+WPA2-PSK:
1.
Select
Wireless Settings
under Setup in the main menu.
Note:
Not all wireless adapters support WPA. Furthermore, client software is also
required. Windows XP with Service Pack 2 does include WPA support.
Nevertheless, the wireless adapter hardware and driver must also support WPA.
For instructions on configuring wireless computers or PDAs (personal digital
assistants) for WPA-PSK security, consult the documentation for the product you
are using.
Page 35 / 134
NETGEAR RangeMax™ Dual Band Wireless-N Router WNDR3300 Reference Manual
Safeguarding Your Network
2-11
v1.0, February 2008
2.
Select one of the WPA-PSK or WPA2-PSK options for the security type. The third option
(WPA-PSK [TKIP] + WP2-PSK [AES]) is the most flexible, since it allows clients using
either WPA-PSK or WPA2-PSK.
3.
In the
Passphrase
field, enter a word or group of 8–63 printable characters. The passphrase is
case-sensitive.
4.
Click
Apply
to save your settings.
Viewing Advanced Wireless Settings
This section describes the wireless settings that you can view and specify in the Wireless Settings
screen, which you access under Advanced in the main menu.
To configure the advanced wireless security settings of your router:
1.
Log in to the router as described in
“Logging In to Your Wireless Router” on page 1-2.
Figure 2-4

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