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Page 61 / 182 Scroll up to view Page 56 - 60
Wireless Settings
59
6
Select whether your Router will operate in 11b mode only, 11g mode
only, 11n mode only, or mixed mode from the
Wireless Mode
drop-down
menu. If your network contains 11b, 11g, and 11n clients, select the
mixed mode. If your network contains just one type of clients only, select
11b only, or 11g only, or 11n only, depending on your wireless network
environment. Note that selecting one type of wireless network only will
improve the performance, however, this will prevent clients of other type
from connecting to the Router.
7
Bandwidth: select the bandwidth to use. Select 20/40 MHz when your
wireless mode is 802.11n or 11n with 11b, 11 g mixed mode. If your
wireless network is purely 11b only or 11g only, or 11b and 11g mixed,
select 20 MHz.
8
Select to turn on/off the
Protected Mode
function. As part of the
802.11g & 802.11n specification, Protected mode ensures proper
operation of 802.11g & 802.11n clients and access points when there is
heavy 802.11b traffic in the operating environment. When protected
mode is ON, 802.11g & 802.11n scans for other wireless network traffic
before it transmits data. Therefore, using this mode in environments with
HEAVY 802.11b traffic or interference achieves best performance results.
If you are in an environment with very little, or no other wireless network
traffic, your best performance will be achieved with Protected mode
OFF
.
9
Click
Apply
.
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Page 62 / 182
60
C
HAPTER
5: C
ONFIGURING
THE
R
OUTER
Encryption
This feature prevents any non-authorized party from reading or changing
your data over the wireless network.
Figure 45
Encryption Screen
Select the wireless security mode that you want to use from the
drop-down menu, and click
Apply
. There are five selections:
■
Disabled
■
64-bit WEP (see
page 61
)
■
128-bit WEP (see
page 62
)
■
WPA-PSK (no server): this option includes both WPA and WPA2
(see
page 63
)
■
WPA (with RADIUS Server): this option includes both WPA and WPA2
(see
page 64
)
Disabled
In this mode, wireless transmissions will not be encrypted, and will be
visible to everyone. However, when setting up or debugging wireless
networks, it is often useful to use this security mode.
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Page 63 / 182
Wireless Settings
61
64-bit WEP
WEP is the basic mechanism to transmit your data securely over the
wireless network. Matching encryption keys must be setup on your
Router and wireless client devices to use WEP. Note that 3Com
recommends using WPA/WPA2 to secure your wireless connection.
Figure 46
64-bit WEP Screen
To setup 64-bit WEP:
1
You can enter the 64-bit WEP key manually:
■
enter the WEP key as 5 pairs of hex digits (0-9, A-F).
Or you can generate the 64-bit WEP key automatically:
■
enter a memorable passphrase in the
Passphrase
field, and then
click
Generate
to generate the hex keys from the passphrase.
For 64-bit WEP, you can enter up to four keys, in the fields
Key 1
to
Key 4
.
The radio button on the left hand side selects the key that is used in
transmitting data.
Note that all four WEP keys on each device in the wireless network must
be identical.
2
Click
Apply
.
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Page 64 / 182
62
C
HAPTER
5: C
ONFIGURING
THE
R
OUTER
128-bit WEP
WEP is the basic mechanism to transmit your data securely over the
wireless network. Matching encryption keys must be set up on your
Router and wireless client devices to use WEP. Note that 3Com
recommends using WPA/WPA2 to secure your wireless connection.
Figure 47
128-bit WEP Screen
To setup 128-bit WEP:
1
You can enter the 128-bit WEP key manually:
■
enter your WEP key as 13 pairs of hex digits (0-9, A-F).
Or you can generate the 128-bit WEP key automatically:
■
enter a memorable passphrase in the
Passphrase
field, and then
click
Generate
to generate the hex keys from the passphrase.
The WEP keys on each device on the wireless network must be identical.
In 128-bit WEP mode, only one WEP key can be specified.
2
Click
Apply
.
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Page 65 / 182
Wireless Settings
63
WPA-PSK (no server)
WPA (Wi-Fi Protected Access) provides dynamic key changes and
constitutes the best security solution. If your network does not have a
RADIUS server. Select the no server option. For home network or very
small business networking environment, PSK is typically used.
Figure 48
WPA-PSK (no server) Screen
1
Select WPA-PSK (no server) from the
WPA
drop-down menu.
2
Select WPA mode from the drop-down menu, three modes are
supported: WPA, WPA2, and Mixed mode.
3
Select
Encryption technique
from the drop-down menu, four options are
available: TKIP, AES, Auto for WPA AES for WPA2, and AES for both WPA
and WPA2.
WPA supports TKIP and AES Encryption technique, for some old module
of wireless client cards, they may only support TKIP. In this case, we
suggest you to select “AUTO for WPA, AES for WPA2”. If your wireless
client cards can support AES over WPA, we suggest you directly select
“AES for both WPA and WPA2”.
4
Enter the pre-shared key in the
Pre-shared Key (PSK)
field. The pre-shared
key is a password, in the form of a word, phrase or series of letters and
numbers. The key must be between 8 and 63 characters long and can
include spaces and symbols. Each client that connects to the network
must use the same key.
5
If you want the key that you enter to be shown on the screen as a series
of asterisks (*), then check the
Hide PSK
checkbox.
6
Click
Apply
.
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