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3. Utilities
ASUS Pocket Wireless Router
31
Chapter 3 - Software Configuration
Wireless (Cont.)
128-bit WEP Encryption
104-bit WEP and 128-bit WEP are the same encryption method and can
interoperate on a wireless network. This level of WEP encryption uses a
104-bit (26 Hex character) encryption scheme as a secret key which is set
by the user, and a 24-bit “Initialization Vector”, which is not under user
control.
Together these two schemes make a 128-bit (104 + 24) encryption scheme.
Some vendors refer to this level of WEP as 104-bit and others refer to this
as 128-bit. ASUS WLAN products use the term 128-bit when referring to
this
higher
level of encryption.
Passphrase
Selecting “WEP-64bits” or “WEP-128bits” in the Encryption field generates
four WEP keys automatically. A combination of up to 64 letters, numbers,
or symbols is required. Alternatively, leave this field blank and type in four
WEP keys manually.
¥
WEP-64bit key: 10 hexadecimal digits (0~9, a~f, and A~F)
¥
WEP-128bit key: 26 hexadecimal digits (0~9, a~f, and A~F)
Note: The ASUS WLAN family of products uses the same algorithm
to generate WEP keys, eliminating the need for users to remember
passwords and to maintain compatibility between products. How-
ever, using this method to generate WEP keys is not as secure as
manual assignment.
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3. Utilities
32
ASUS Pocket Wireless Router
Chapter 3 - Software Configuration
Wireless (Cont.)
WEP Key
You can set a maximum of four WEP keys. A WEP key is either 10 or 26
hexadecimal digits (0~9, a~f, and A~F) based on whether you select 64bits
or 128bits in the WEP pull-down menu. The ASUS Wireless Router and
ALL of its wireless clients MUST have at least the same default key.
Key Index
The Default Key field lets you specify which of the four encryption keys
you use to transmit data on your wireless LAN. As long as the ASUS
Wireless Router or wireless mobile client with which you are communicating
has the same key in the same position, you can use any of the keys as the
default key. If the ASUS Wireless Router and ALL of its wireless clients
use the same four WEP keys, select “key rotation” to maximize security.
Otherwise, choose one key in common as the default key.
Network Rotation Key Interval
This field specifies the time interval (in seconds) after which a WPA group
key is changed. Enter ‘0’ (zero) to indicate that a periodic key-change is
not required.
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3. Utilities
ASUS Pocket Wireless Router
33
Chapter 3 - Software Configuration
Wireless
Click an item on the menu to reveal a submenu.
Follow the instructions to set up the ASUS
Wireless Router. Tips are displayed when you
move your cursor over an item.
Access Control
Note: Click the “Finish” button to save your new settings and re-
start the ASUS Wireless Router or click “Save” and restart later.
To add security, the ASUS Wireless Router has the ability to only associate
with or not associate with wireless mobile clients that have their MAC
address entered into this page.
The default setting of “Disable” will allow any wireless mobile client to
connect. “Accept” will only allow those entered into this page to connect.
“Reject” will prevent those entered into this page from connecting.
Adding a MAC Address
To add a MAC address, enter the 12 hexadecimal characters into the white box
next to “MAC Address:” and click the
Add
button. The MAC address will be
placed in the control list below. Only a total of 31 MAC addresses can be entered
into this page so determine which will be the lesser; those you wish to accept or
those you wish to reject and click the appropriate “MAC Access Mode”.
Pull down menu items:
Disable (no info required)
Accept (need to input information)
Reject (need to input information)
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3. Utilities
34
ASUS Pocket Wireless Router
Chapter 3 - Software Configuration
Wireless
Click an item on the menu to reveal a submenu.
Follow the instructions to set up the ASUS
Wireless Router. Tips are displayed when you
move your cursor over an item.
Advanced
This section allows you to set up
additional parameters for the wireless
router function. We recommend that
you use the default values for all
items in this window.
Hide SSID -
By default, “No” is selected so that wireless mobile users can
see your ASUS Wireless Router’s SSID and join. If “Yes” is selected, your
ASUS Wireless Router will not show in site surveys by wireless mobile
clients and they will have to manually enter your ASUS Wireless Router’s
SSID. If you want to restrict access to “your” ASUS Wireless Router , this
is a simple way to do it but for security reasons, don’t forget to change the
SSID to something other than “default”.
Data Rate (Mbps)
- This field allows you to specify the transmission rate.
Leave on “Auto” to maximize performance versus distance.
Basic Rate Set
- This field indicates the basic rates that wireless clients
must support. Use “1 & 2 Mbps” only when backward compatibility is
needed for some older wireless LAN cards with a maximum bit rate of
2Mbps.
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3. Utilities
ASUS Pocket Wireless Router
35
Chapter 3 - Software Configuration
Wireless (Cont.)
Fragmentation Threshold (256~2346) –
Fragmentation is used to divide
802.11 frames into smaller pieces (fragments) that are sent separately to
the destination. Enable fragmentation by setting a specific packet size
threshold. If there is an excessive number of collisions on the WLAN,
experiment with different fragmentation values to increase the reliability
of frame transmissions. The default value (2346) is recommended for normal
use.
RTS Threshold (0~2347) –
The RTS/CTS (Request to Send/Clear to Send)
function is used to minimize collisions among wireless stations. When
RTS/CTS is enabled, the router refrains from sending a data frame until
another RTS/CTS handshake is completed. Enable RTS/CTS by setting a
specific packet size threshold. The default value (2347) is recommended.
DTIM Interval (1~255) –
DTIM (Delivery Traffic Indication Message) is
a wireless message used to inform clients in Power Saving Mode when the
system should wake up to receive broadcast and multicast messages. Type
the time interval in which the system will broadcast a DTIM for clients in
Power Saving Mode. The default value (3) is recommended.
Beacon Interval (1~65535)
This field indicates the time interval in
milliseconds that a system broadcast packet, or beacon, is sent to synchronize
the wireless network. The default value (100 milliseconds) is recommended.

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