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Chapter 6
Advanced Configuration
11
Wireless-G Exterior Access Point with Power Over Ethernet
Primary
DNS
(Required)
and
Secondary
DNS
(Optional)
Your ISP will provide you with at least one
DNS (Domain Name System) Server IP Address.
Automatic Configuration - DHCP
If you have a DHCP
server enabled on the LAN and want it to assign an IP
address to the Access Point, the select this option.
Change these settings as described here and click
Save
Settings
to apply your changes, or click
Cancel Changes
to cancel your changes. Help information is available on
the right side of the screen.
Setup > Time
This allows you to change the Access Point’s time settings.
The correct time setting can help the administrator to
search the system log to identify problems.
Setup > Time
Time
You can set the time either manually or automatically
from a time server if the Access Point can access the public
Internet. The default is to set the time
Automatically
.
Manually
Select this option to set the date and time
manually.
Automatically
Select this option and time zone. The
Access Point will contact the public time server to get the
current time.
Automatically adjust clock for daylight saving
changes
Select this option if you are in using the
Access Point in a location that observes daylight saving
time.
User Defined NTP Server
Enable this option if you
have set up local NTP server. Default is Disabled.
NTP Server IP
Enter the IP address of user defined
NTP Server.
Change these settings as described here and click
Save
Settings
to apply your changes, or click
Cancel Changes
to cancel your changes. Help information is available on
the right side of the screen.
Wireless > Basic Wireless Settings
Change the basic wireless network settings on this screen.
The Access Point can connect to up to four wireless
networks (SSIDs) at the same time, so this screen offers
settings for up to four different SSIDs. Each SSID owns its
own MAC address on this Access Point.
Wireless > Basic Wireless Settings
Basic Settings
Configure the Wireless Network basic attributes for the
entire system and for each SSID.
Wireless Network Mode
Select one of the following
modes. The default is Mixed.
Disable
To disable wireless connectivity completely.
This might be useful during system maintenance.
B-Only
All
the
wireless
client
devices
can
be
connected to the Access Point at Wireless-B data rates
with maximum speed at 11Mbps.
G-Only
Wireless-G client devices can be connected at
Wireless-G data rates with maximum speed at 54Mbps.
Wireless-B clients cannot be connected in this mode.
Mixed
Both Wireless-B and Wireless-G client devices
can be connected at their respective data rates.
Wireless-G devices can be connected at Wireless-G
data rates.
Wireless Channel
Select the appropriate channel to be
used among your Access Point and your client devices.
When Auto is selected, your Access Point will select the
channel with the lowest amount of wireless interference
while the system is powering up. Auto channel selection
will start when you click
Save Settings
button, it will take
several seconds to scan through all the channels to find
the best channel. The default setting is
Auto
.
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Chapter 6
Advanced Configuration
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Wireless-G Exterior Access Point with Power Over Ethernet
SSID Name
The SSID is the unique name shared among
all devices in a wireless network. It is case-sensitive, must
not exceed 32 alphanumeric characters, and may be any
keyboard character. Make sure this setting is the same
for all devices in your wireless network. The default SSID
name is
linksys-g
.
SSID Broadcast
This option allows the SSID to be
broadcast on your network. You may want to enable
this function while configuring your network, but make
sure that you disable it when you are finished. With
this enabled, someone could easily obtain the SSID
information with site survey software or Windows XP and
gain unauthorized access to your network. Click Enabled
to broadcast the SSID to all wireless devices in range.
Click Disabled to increase network security and prevent
the SSID from being seen on networked PCs. The default
is
Enabled
in order to help users configure their network
before use.
Change these settings as described here and click
Save
Settings
to apply your changes, or click
Cancel Changes
to cancel your changes. Help information is available on
the right side of the screen.
Wireless > Wireless Security
Change the Access Point’s wireless security settings on
this screen.
Wireless > Wireless Security
Wireless Security
Select SSID
Select any of the SSID names configured on
the
Basic Wireless Settings
tab.
Wireless Isolation (between SSID)
Wireless Isolation
prevents eavesdropping in the network. When it is
Enabled, wireless frames received on this Access Point will
not be forwarded to other wireless networks (SSIDs). For
example, if you have a wireless hotspot, you may want to
keep the wireless network (SSID) isolated from your other
wireless networks (SSIDs). This is a global option applying
to all SSIDs. The default is
Enabled
.
The following options are specific for each SSID:
Security Mode
Select the wireless security mode you
want to use: WPA-Personal, WPA2-Personal, WPA2-Personal
Mixed, WPA-Enterprise, WPA2-Enterprise, WPA2-Enterprise
Mixed, RADIUS, or WEP. (WPA stands for Wi-Fi Protected
Access, which is a security standard stronger than WEP
encryption and forward compatible with IEEE 802.11i. WEP
stands for Wired Equivalent Privacy, Enterprise modes use
a RADIUS server for authentication, while RADIUS stands
for Remote Authentication Dial-In User Service.) Refer to
the appropriate instructions below after you select the
Authentication Type and SSID Interoperability settings.
For detailed instructions on configuring wireless security
for the Access Point, refer to “Appendix B: Wireless Security
Checklist”. To disable wireless security completely, select
Disabled
. The default is
Disabled
.
Wireless Isolation (within SSID)
When disabled, wireless
PCs that are associated to the same network name (SSID),
can see and transfer files between each other. By enabling
this feature, Wireless PCs will not be able to see each other.
This feature is very useful when setting up a wireless
hotspot location. The default is
Disabled
.
Following section describes the detailed options for each
Security Mode.
WPA-Personal (aka WPA-PSK)
Wireless > Wireless Security > WPA-Personal
Encryption
WPA offers you two encryption methods, TKIP
and AES for data encryption. Select the type of algorithm
you want to use, TKIP or AES. The default is
TKIP
.
Shared Secret
Enter a shared secret of 8-63 characters.
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Chapter 6
Advanced Configuration
13
Wireless-G Exterior Access Point with Power Over Ethernet
Key Renewal Timeout
Enter a Key Renewal Timeout
period, which instructs the Access Point how often it
should change the encryption keys. The default is
3600
seconds.
WPA2-Personal
Wireless > Wireless Security > WPA2-Personal
Encryption
WPA2 always uses AES for data encryption.
Shared Secret
Enter a shared secret of 8-63 characters.
Key Renewal Timeout
Enter a Key Renewal Timeout
period, which instructs the Access Point how often it
should change the encryption keys. The default is
3600
seconds.
WPA2-Personal Mixed
This
security
mode
supports
the
transition
from
WPA-Personal to WPA2-Personal. You can have client
devices that use either WPA-Personal or WPA2-Personal.
The Access Point will automatically choose the encryption
algorithm used by each client device.
Wireless > Wireless Security > WPA2=Personal Mixed
Encryption
Mixed Mode automatically chooses TKIP or
AES for data encryption.
Shared Secret
Enter a shared secret of 8-63 characters.
Key Renewal Timeout
Enter a Key Renewal Timeout
period, which instructs the Access Point how often it
should change the encryption keys. The default is
3600
seconds.
WPA-Enterprise
This option features WPA used in coordination with a
RADIUS server for client authentication. (This should only
be used when a RADIUS server is connected to the Access
Point.)
Wireless > Wireless Security > WPA-Enterprise
RADIUS Server IP Address
Enter the RADIUS server’s IP
address.
RADIUS Server Port
Enter the port number used by the
RADIUS server. The default is
1812
.
Encryption
WPA offers you two encryption methods, TKIP
and AES for data encryption. Select the type of algorithm
you want to use, TKIP or AES. The default is
TKIP
.
Shared Secret
Enter the Shared Secret key used by the
Access Point and RADIUS server.
Key Renewal Timeout
Enter a Key Renewal Timeout
period, which instructs the Access Point how often it
should change the encryption keys. The default is
3600
seconds.
WPA2-Enterprise
This option features WPA2 used in coordination with a
RADIUS server for client authentication. (This should only
be used when a RADIUS server is connected to the Access
Point.)
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Chapter 6
Advanced Configuration
14
Wireless-G Exterior Access Point with Power Over Ethernet
Wireless > Wireless Security > WPA2-Enterprise
RADIUS Server IP Address
Enter the RADIUS server’s IP
address.
RADIUS Server Port
Enter the port number used by the
RADIUS server. The default is
1812
.
Encryption
WPA2 always uses AES for data encryption.
Shared Secret
Enter the Shared Secret key used by the
Access Point and RADIUS server.
Key Renewal Timeout
Enter a Key Renewal Timeout
period, which instructs the Access Point how often it
should change the encryption keys. The default is
3600
seconds.
WPA2-Enterprise Mixed
This security mode supports the transition from WPA-
Enterprise to WPA2-Enterprise. You can have client devices
that use either WPA-Enterprise or WPA2-Enterprise. The
Access Point will automatically choose the encryption
algorithm used by each client device.
Wireless > Wireless Security > WPA2-Enterprise Mixed
RADIUS Server IP Address
Enter the RADIUS server’s IP
address.
RADIUS Server Port
Enter the port number used by the
RADIUS server. The default is 1812.
Encryption
Mixed Mode automatically chooses TKIP or
AES for data encryption.
Shared Secret
Enter the Shared Secret key used by the
Access Point and RADIUS server.
Key Renewal Timeout
Enter a Key Renewal Timeout
period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600
seconds.
RADIUS
This security mode is also known as Dynamic WEP with IEEE
802.1X. A RADIUS server is used for client authentication
and WEP is used for data encryption. The WEP key is
automatically generated by the RADIUS server. Manual
WEP key is no longer supported to ensure compatibility
with Microsoft’s Windows implementation.
Wireless > Wireless Security > RADIUS
RADIUS Server IP Address
Enter the RADIUS server’s IP
address.
RADIUS Server Port
Enter the port number used by the
RADIUS server. The default is 1812.
Shared Secret
Enter the Shared Secret key used by the
Access Point and RADIUS server.
WEP
This security mode is defined in the original IEEE 802.11.
This mode is not recommended now due to its weak
security protection. Users are urged to migrate to WPA or
WPA2.
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Chapter 6
Advanced Configuration
15
Wireless-G Exterior Access Point with Power Over Ethernet
Wireless > Wireless Security > WEP
Authentication Type
Choose the 802.11 authentication
type as either Open System or Shared Key. The default is
Open System.
Default Transmit Key
Select the key to be used for data
encryption.
Encryption
Select a level of WEP encryption, 64 bits (10
hex digits) or 128 bits (26 hex digits).
Passphrase
If you want to generate WEP keys using a
Passphrase, then enter the Passphrase in the field provided
and click the Generate key. Those auto-generated keys are
not as strong as manual WEP keys.
Key 1-4
If you want to manually enter WEP keys, then
complete the fields provided. Each WEP key can consist of
the letters “A” through “F” and the numbers “0” through “9”.
It should be 10 characters in length for 64-bit encryption
or 26 characters in length for 128-bit encryption.
Change these settings as described here and click
Save
Settings
to apply your changes, or click
Cancel Changes
to cancel your changes. Help information is available on
the right side of the screen.
Disable
There is no option to be configured for this mode.
When you have finished making changes to the screen,
click the
Save Settings
button to save the changes, or click
the
Cancel Changes
button to undo your changes. Help
information is available on the right side of the screen.
Wireless > Wireless Connection Control
This screen allows you to configure the Connection Control
List to either permit or block specific wireless client devices
connecting to (associating with) the Access Point.
Wireless > Wireless Connection Control
Wireless Connection Control
Select SSID
Select the SSID of the wireless network that
you want to use wireless connection control on.
Enabled/Disabled
Enable or disable wireless connection
control. The default is disabled.
Connection Control
Allow only following MAC addresses to connect to
wireless network
When this option is selected, only
devices with a MAC address specified in the Connection
Control List can connect to the Access Point.
Prevent following MAC addresses from connecting to
wireless network
When this option is selected, devices
with a MAC address specified in the Connection Control
List will not be allowed to connect to the Access Point.
Wireless Client List
Instead of manually entering the MAC addresses of each
client, the Access Point provides a convenient way to
select a specific client device from the client association
table. Click this button and a window appears to let you
select a MAC address from the table. The selected MAC
address will be entered into the Connection Control List.

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