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Chapter 3
Advanced Configuration
8
Wireless-N Access Point with Dual-Band
Wireless Client List
Wireless Client List
This screen shows computers and other devices on the
wireless network. The list can be sorted by MAC Address
and Status.
Select
Save to MAC Address Filter List
for any device
you want to add to the MAC Address Filter List. Then click
Add
.
To retrieve the most up-to-date information, click
Refresh
.
To return to the Wireless MAC Filter screen, click
Close
.
MAC 01-32
Enter the MAC addresses of the devices
whose wireless access you want to block or allow.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Wireless > WMM®
Configure the Wireless MultiMedia (WMM) settings. WMM
prioritizes packets depending on their respective access
mode (traffic type): Background, Best Effort, Video, or
Voice. These settings should only be adjusted by an expert
administrator as incorrect settings can reduce wireless
performance.
Wireless > WMM
NOTE:
The settings on the
WMM
screen are
designed for advanced users only.
WMM®
Access Mode
You can assign different settings to the four access
modes available. Select the mode you want to configure:
Background
,
Best Effort
,
Video
, or
Voice
. Follow the
instructions for the mode you select.
Background
Use Aggregation
This option defines whether or not the
Media Access Control (MAC) layer will set up an Add Block
Acknowledgement (ADDBA) session. The default is
No
.
Select
Yes
to enable this option.
Accept Aggregation
This option defines whether or not
the MAC layer will accept an ADDBA request. The default
is
Yes
. Select
No
to disable this option.
Max. Number of Packets in Aggregation
This option
defines the maximum number of packets (sub-frames) in
the aggregate. The range is
0
to
7
. The default is
7
.
Max. Aggregation Size
This option defines the maximum
size of the aggregate (in bytes). The range is
0
to
16000
.
The default is
12000
.
Timeout Interval
This option defines the timeout period
in which the aggregate should be closed with a “closing
condition” before it is closed by the timer. The range is
0
to
100
ms. The default is
3
.
Min. Size of Packet in Aggregation
This option defines
the minimum size (in bytes) of packets to be accumulated
in the aggregate. The range is
0
to
1500
. The default
is
10
.
ADDBA Timeout
This
option
defines
the
duration
after which the ADDBA setup is terminated, if there are
no frame exchanges within this duration by the Block
Acknowledgement (ACK) agreement. The range is
0
to
65535
ms. The default is
0
, which disables the timeout.
Aggregation Window Size
This option defines the
maximum number of packets transmitted without getting
ACKs. The range is
0
to
64
. The default is
64
.
CW Min for STA
This option defines the minimum
contention window limit from which the random backoff
is computed for an STA in BSS. The range is
15
to
1023
.
The default is
15
.
CW Max for STA
This option defines the maximum
contention window limit from which the random backoff
is computed for an STA in BSS. The range is
15
to
1023
.
The default is
1023
.
AIFSN for STA
This option defines the Arbitration
Interframe Space Number for an STA in BSS. The range is
0
to
15
. The default is
7
.
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Page 12 / 41
Chapter 3
Advanced Configuration
9
Wireless-N Access Point with Dual-Band
TXOP for STA
This option defines the Transmission
Opportunity for an STA in BSS. The range is
0
to
8192
. The
default is
0
.
CW Min for AP
This option defines the minimum
contention window limits from which the random backoff
is computed for AP. The range is
15
to
1023
. The default
is
15
.
CW Max for AP
This option defines the maximum
contention window limits from which the random backoff
is computed for AP. The range is
15
to
1023
. The default
is
1023
.
AIFSN
for
AP
This
option
defines
the
Arbitration
Interframe Space Number for AP. The range is
0
to
15
. The
default is
7
.
TXOP for AP
This option defines the Transmission
Opportunity for AP. The range is
0
to
8192
. The default is
0
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Best Effort
Use Aggregation
This option defines whether or not the
Media Access Control (MAC) layer will set up an Add Block
Acknowledgement (ADDBA) session. The default is
Yes
.
Select
No
to disable this option.
Accept Aggregation
This option defines whether or not
the MAC layer will accept an ADDBA request. The default
is
Yes
. Select
No
to disable this option.
Max. Number of Packets in Aggregation
This option
defines the maximum number of packets (sub-frames) in
the aggregate. The range is
0
to
16
. The default is
10
.
Max.
Aggregation
Size
This
option
defines
the
maximum size of the aggregate (in bytes). The range is
0
to
20000
. The default is
16000
.
Timeout Interval
This option defines the timeout period
in which the aggregate should be closed with a “closing
condition” before it is closed by the timer. The range is
0
to
100
ms. The default is
3
.
Min. Size of Packet in Aggregation
This option defines
the minimum size (in bytes) of packets to be accumulated
in the aggregate. The range is
0
to
1500
. The default
is
10
.
ADDBA Timeout
This
option
defines
the
duration
after which the ADDBA setup is terminated, if there are
no frame exchanges within this duration by the Block
Acknowledgement (ACK) agreement. The range is
0
to
65535
ms. The default is
0
, which disables the timeout.
Aggregation Window Size
This option defines the
maximum number of packets transmitted without getting
ACKs. The range is
0
to
64
. The default is
64
.
CW Min for STA
This option defines the minimum
contention window limit from which the random backoff
is computed for an STA in BSS. The range is
15
to
1023
.
The default is
15
.
CW Max for STA
This option defines the maximum
contention window limit from which the random backoff
is computed for an STA in BSS. The range is
15
to
1023
.
The default is
1023
.
AIFSN for STA
This option defines the Arbitration
Interframe Space Number for an STA in BSS. The range is
0
to
15
. The default is
3
.
TXOP for STA
This option defines the Transmission
Opportunity for an STA in BSS. The range is
0
to
8192
. The
default is
0
.
CW Min for AP
This option defines the minimum
contention window limits from which the random backoff
is computed for AP. The range is
15
to
63
. The default is
15
.
CW Max for AP
This option defines the maximum
contention window limits from which the random backoff
is computed for AP. The range is
15
to
63
. The default is
63
.
AIFSN
for
AP
This
option
defines
the
Arbitration
Interframe Space Number for AP. The range is
0
to
15
. The
default is
3
.
TXOP for AP
This option defines the Transmission
Opportunity for AP. The range is
0
to
8192
. The default is
0
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Video
Use Aggregation
This option defines whether or not the
Media Access Control (MAC) layer will set up an Add Block
Acknowledgement (ADDBA) session. The default is
Yes
.
Select
No
to disable this option.
Accept Aggregation
This option defines whether or not
the MAC layer will accept an ADDBA request. The default
is
Yes
. Select
No
to disable this option.
Max. Number of Packets in Aggregation
This option
defines the maximum number of packets (sub-frames) in
the aggregate. The range is
0
to
7
. The default is
7
.
Max. Aggregation Size
This option defines the maximum
size of the aggregate (in bytes). The range is
0
to
16000
.
The default is
12000
.
Timeout Interval
This option defines the timeout period
in which the aggregate should be closed with a “closing
condition” before it is closed by the timer. The range is
0
to
100
ms. The default is
3
.
Min. Size of Packet in Aggregation
This option defines
the minimum size (in bytes) of packets to be accumulated
in the aggregate. The range is
0
to
1500
. The default
is
10
.
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Chapter 3
Advanced Configuration
10
Wireless-N Access Point with Dual-Band
ADDBA Timeout
This
option
defines
the
duration
after which the ADDBA setup is terminated, if there are
no frame exchanges within this duration by the Block
Acknowledgement (ACK) agreement. The range is
0
to
65535
ms. The default is
0
, which disables the timeout.
Aggregation Window Size
This option defines the
maximum number of packets transmitted without getting
ACKs. The range is
0
to
64
. The default is
64
.
CW Min for STA
This option defines the minimum
contention window limit from which the random backoff
is computed for an STA in BSS. The value is set to
7
(default)
and cannot be changed.
CW Max for STA
This option defines the maximum
contention window limit from which the random backoff
is computed for an STA in BSS. The value is set to
15
(default) and cannot be changed.
AIFSN for STA
This option defines the Arbitration
Interframe Space Number for an STA in BSS. The range is
0
to
15
. The default is
2
.
TXOP for STA
This option defines the Transmission
Opportunity for an STA in BSS. The range is
0
to
8192
. The
default is
3008
.
CW Min for AP
This option defines the minimum
contention window limits from which the random backoff
is computed for AP. The value is set to
7
(default) and
cannot be changed.
CW Max for AP
This option defines the maximum
contention window limits from which the random backoff
is computed for AP. The value is set to
15
(default) and
cannot be changed.
AIFSN
for
AP
This
option
defines
the
Arbitration
Interframe Space Number for AP. The range is
0
to
15
. The
default is
1
.
TXOP for AP
This option defines the Transmission
Opportunity for AP. The range is
0
to
8192
. The default is
3008
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Voice
Use Aggregation
This option defines whether or not the
Media Access Control (MAC) layer will set up an Add Block
Acknowledgement (ADDBA) session. The default is
Yes
.
Select
No
to disable this option.
Accept Aggregation
This option defines whether or not
the MAC layer will accept an ADDBA request. The default
is
Yes
. Select
No
to disable this option.
Max. Number of Packets in Aggregation
This option
defines the maximum number of packets (sub-frames) in
the aggregate. The range is
0
to
2
. The default is
2
.
Max.
Aggregation
Size
This
option
defines
the
maximum size of the aggregate (in bytes). The range is
0
to
16000
. The default is
10000
.
Timeout Interval
This option defines the timeout period
in which the aggregate should be closed with a “closing
condition” before it is closed by the timer. The range is
0
to
100
ms. The default is
10
.
Min. Size of Packet in Aggregation
This option defines
the minimum size (in bytes) of packets to be accumulated
in the aggregate. The range is
0
to
1500
. The default is
10
.
ADDBA Timeout
This
option
defines
the
duration
after which the ADDBA setup is terminated, if there are
no frame exchanges within this duration by the Block
Acknowledgement (ACK) agreement. The range is
0
to
65535
ms. The default is
0
, which disables the timeout.
Aggregation Window Size
This option defines the
maximum number of packets transmitted without getting
ACKs. The range is
0
to
64
. The default is
64
.
CW Min for STA
This option defines the minimum
contention window limit from which the random backoff
is computed for an STA in BSS. The value is set to
3
(default)
and cannot be changed.
CW Max for STA
This option defines the maximum
contention window limit from which the random backoff
is computed for an STA in BSS. The value is set to
7
(default)
and cannot be changed.
AIFSN for STA
This option defines the Arbitration
Interframe Space Number for an STA in BSS. The range is
0
to
15
. The default is
2
.
TXOP for STA
This option defines the Transmission
Opportunity for an STA in BSS. The range is
0
to
8192
. The
default is
1504
.
CW Min for AP
This option defines the minimum
contention window limits from which the random backoff
is computed for AP. The value is set to
3
(default) and
cannot be changed.
CW Max for AP
This option defines the maximum
contention window limits from which the random backoff
is computed for AP. The value is set to
7
(default) and
cannot be changed.
AIFSN
for
AP
This
option
defines
the
Arbitration
Interframe Space Number for AP. The range is
0
to
15
. The
default is
1
.
TXOP for AP
This option defines the Transmission
Opportunity for AP. The range is
0
to
8192
. The default is
1504
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
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Chapter 3
Advanced Configuration
11
Wireless-N Access Point with Dual-Band
Wireless > Advanced Wireless Settings
Configure the Access Point’s advanced wireless functions.
These settings should only be adjusted by an expert
administrator as incorrect settings can reduce wireless
performance.
Wireless > Advanced Wireless Settings
NOTE:
The settings on the
Advanced Wireless
Settings
screen are designed for advanced users
only.
Advanced Wireless
AP Isolation
This isolates all wireless clients and wireless
devices on your network from each other. Wireless devices
will be able to communicate with the Access Point but not
with each other. To use this function, select
Enabled
. AP
Isolation is disabled by default.
Authentication Type
The Authentication Type setting
is available if the Security mode is WEP. The default is
set to
Auto
, which allows either Open System or Shared
Key authentication to be used. With Open System
authentication, the sender and the recipient do NOT
use a WEP key for authentication. With Shared Key
authentication, the sender and recipient use a WEP key for
authentication. Select
Shared Key
to only use Shared Key
authentication.
Basic Rate
The Basic Rate setting is not actually one rate
of transmission but a series of rates at which the Access
Point can transmit. The Access Point will advertise its
Basic Rate to the other wireless devices in your network,
so they know which rates will be used. The Access Point
will also advertise that it will automatically select the best
rate for transmission. The default setting is
Default
, when
the Access Point can transmit at all standard wireless
rates (1-2Mbps, 5.5Mbps, 11Mbps, 18Mbps, and 24Mbps).
Other options are
1-2Mbps
, for use with older wireless
technology, and
All
, when the Access Point can transmit
at all wireless rates. The Basic Rate is not the actual rate of
data transmission. If you want to specify the Access Point’s
rate of data transmission, configure the Transmission Rate
setting.
Transmission Rate
The Transmission Rate setting is
available if the Network Mode is set to Wireless-B/G Only,
Wireless-G Only, Wireless-B Only, Wireless-A Only, or Mixed.
The rate of data transmission should be set depending on
the speed of your wireless network. You can select from
a range of transmission speeds, or you can select
Auto
to have the Access Point automatically use the fastest
possible data rate and enable the Auto-Fallback feature.
Auto-Fallback will negotiate the best possible connection
speed between the Access Point and a wireless client. The
default is
Auto
.
N Transmission Rate
The N Transmission Rate setting is
available if the Network Mode is set to Mixed or Wireless-N
Only. The rate of data transmission should be set
depending on the speed of your Wireless-N networking.
You can select from a range of transmission speeds, or you
can select
Auto
to have the Access Point automatically
use the fastest possible data rate and enable the Auto-
Fallback feature. Auto-Fallback will negotiate the best
possible connection speed between the Access Point and
a wireless client. The default is
Auto
.
Transmission Power
This option sets the percentage
of maximal transmit power relative to the regulatory
domain restrictions. For example, if the regulatory domain
restriction allows transmissions of up to 20 dB, then setting
the percentage at 50% allows maximal transmit power of
10 dB. Select the percentage you want to use:
12%
,
25%
,
50%
, or
100%
. The default is
100%
.
CTS Protection Mode
The Access Point will automatically
use CTS (Clear-To-Send) Protection Mode when your
Wireless-N and Wireless-G products are experiencing
severe problems and are not able to transmit to the
Access Point in an environment with heavy 802.11b traffic.
This function boosts the Access Point’s ability to catch all
Wireless-N and Wireless-G transmissions but will severely
decrease performance. The default is
Auto
. To disable this
option, select
Disabled
.
Beacon Interval
Enter a value between 20 and 1000
milliseconds. The Beacon Interval value indicates the
frequency interval of the beacon. A beacon is a packet
broadcast by the Access Point to synchronize the wireless
network. The default value is
100
.
DTIM Interval
This value, between 1 and 255, indicates
the interval of the Delivery Traffic Indication Message
(DTIM). A DTIM field is a countdown field informing
clients of the next window for listening to broadcast and
multicast messages. When the Access Point has buffered
broadcast or multicast messages for associated clients, it
sends the next DTIM with a DTIM Interval value. Its clients
hear the beacons and awaken to receive the broadcast
and multicast messages. The default value is
1
.
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Chapter 3
Advanced Configuration
12
Wireless-N Access Point with Dual-Band
RTS Threshold
Should you encounter inconsistent data
flow, only minor reduction of the default value,
2347
, is
recommended. If a network packet is smaller than the
preset RTS threshold size, the RTS/CTS mechanism will not
be enabled. The Access Point sends Request to Send (RTS)
frames to a particular receiving station and negotiates
the sending of a data frame. After receiving an RTS, the
wireless station responds with a Clear to Send (CTS) frame
to acknowledge the right to begin transmission. The RTS
Threshold value should remain at its default value of
2347
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Administration > Management
Use this screen to manage specific Access Point functions:
access to the browser-based utility, backup of the
configuration file, and reboot.
Administration > Management
Access Point Access
To ensure the Access Point’s security, you will be asked for the
Access Point’s password when you access the Access Point’s
browser-based utility. The default password is
admin
.
Access Point Password
Enter a new Password for the
Access Point.
Re-enter to confirm
Enter the Password again to confirm.
Idle Timeout
The login times out after a period of
inactivity that you specify. The range is
60
to
3600
seconds.
The default is
600
.
Local Management Access
Access via Wireless
If you are using the Access Point in
a public domain where you are giving wireless access to
your guests, you can disable wireless access to the Access
Point’s browser-based utility. If you do this, you will only
be able to access the browser-based utility via a wired
connection. Keep the default,
Enabled
, to allow wireless
access to the Access Point’s browser-based utility, or select
Disabled
to block wireless access to the utility.
Backup and Restore
Backup
To back up the Access Point’s configuration
settings, click
Backup Configurations
. Then follow the
on-screen instructions.
Restore
To restore the Access Point’s configuration
settings, click
Browse
and select the configuration file.
Then click
Restore Configurations
. (You must have
previously backed up the Access Point’s configuration
settings.)
System Reboot
Reboot
To reboot or restart the Access Point, click
Start
to Reboot
.
Click
Save Settings
to apply your changes, or click
Cancel
Changes
to cancel your changes.
Administration > Factory Defaults
Use this screen to restore the Access Point’s configuration
to its factory default settings.
Factory Defaults
Restore All Settings
To reset the Access Point’s settings
to the factory defaults, click
Restore All Settings
. Any
settings you have saved will be lost when the default
settings are restored.
Administration > Factory Defaults
Administration > Firmware Upgrade
Use this screen to upgrade the Access Point’s firmware.
Do not upgrade the firmware unless you are experiencing
problems with the Access Point or the new firmware has a
feature you want to use.
Administration > Firmware
Upgrade
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