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7.1.2
MAC Filter
This MAC Filter page allows access to be restricted/allowed based on a MAC address.
All NICs have a unique 48-bit MAC address burned into the ROM chip on the card.
When MAC address filtering is enabled, you are restricting the NICs that are allowed
to connect to your access point. Therefore, an access point will grant access to any
computer that is using a NIC whose MAC address is on its “allows” list.
Wi-Fi routers and access points that support MAC filtering let you specify a list of
MAC addresses that may connect to the access point, and thus dictate what devices
are authorized to access the wireless network. When a device is using MAC filtering,
any address not explicitly defined will be denied access.
MAC Restrict mode:
Off
- disables MAC filtering;
Allow
permits
access
for the
specified MAC address;
deny
; reject access of the specified MAC address, then click
the
SET
button.
To delete an entry
,
select the entry at the bottom of the screen and then click the
Remove
button, located on the right hand side of the screen.
To add a MAC entry, click
Add
and enter MAC address
After choosing the Add button, the following screen appears. Enter the MAC
address and click
Apply
to add the MAC address to the wireless MAC address filters.
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Option
Description
MAC Restrict Mode
Radio buttons that allow settings of;
Off: MAC filtering function is disabled.
Allow: Permits PCs with listed MAC addresses to connect to
the access point.
Deny: Prevents PCs with listed MAC from connecting to the
access point.
MAC Address
Lists the MAC addresses subject to the Off, Allow, or Deny
instruction.
The Add button prompts an entry field that
requires you type in a MAC address in a two-character,
6-byte convention: xx:xx:xx:xx:xx:xx where xx are
hexadecimal numbers.
The maximum number of MAC
addresses that can be added is 60.
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7.1.3
Wireless Bridge
This page allows you to configure wireless bridge features of the wireless LAN
interface. You can select Wireless Bridge (also known as Wireless Distribution
System) to disable access point functionality. Selecting Access Point enables access
point functionality. Wireless bridge functionality will still be available and wireless
stations will be able to associate to the AP. Select Disabled in Bridge Restrict, which
disables wireless bridge restriction. Any wireless bridge will be granted access.
Selecting Enabled or Enabled (Scan) enables wireless bridge restriction. Only those
bridges selected in Remote Bridges will be granted access.
Option
Description
AP Mode
Access Point
Wireless Bridge
Bridge Restrict
Enabled
Enabled (Scan)
Disabled
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7.1.4
Advanced
The Advanced page allows you to configure advanced features of the wireless LAN
interface.
You can select a particular channel on which to operate, force the transmission rate
to a particular speed, set the fragmentation threshold, set the RTS threshold, set
the wakeup interval for clients in power-save mode, set the beacon interval for the
access point, set XPress mode and set whether short or long preambles are used.
Click
Apply
to configure the advanced wireless options.
Option
Description
AP Isolation
Select On or Off. By enabling this feature, wireless clients
associated with the Access Point will be able to connect to each
other.
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Band
The new amendment allows IEEE 802.11g units to fall back to
speeds of 11 Mbps, so IEEE 802.11b and IEEE 802.11g devices
can coexist in the same network. The two standards apply to
the 2.4 GHz frequency band. IEEE 802.11g creates data-rate
parity at 2.4 GHz with the IEEE 802.11a standard, which has a
54 Mbps rate at 5 GHz. (IEEE 802.11a has other differences
compared to IEEE 802.11b or g, such as offering more
channels.)
Channel
Drop-down menu that allows selection of a specific channel.
Auto Channel Timer
(min)
Auto channel scan timer in minutes (0 to disable)
54g Rate
Drop-down menu that specifies the following fixed rates:
Auto: Default. Uses the 11 Mbps data rate when possible but
drops to lower rates when necessary.
1 Mbps, 2Mbps, 5.5Mbps, or 11Mbps fixed rates. The
appropriate setting is dependent on signal strength.
Multicast Rate
Setting multicast packet transmit rate.
Basic Rate
Setting basic transmit rate.
Fragmentation
Threshold
A threshold, specified in bytes, that determines whether
packets will be fragmented and at what size. On an 802.11
WLAN, packets that exceed the fragmentation threshold are
fragmented, i.e., split into, smaller units suitable for the circuit
size. Packets smaller than the specified fragmentation
threshold value are not fragmented.
Enter a value between 256 and 2346.
If you experience a high packet error rate, try to slightly
increase your Fragmentation Threshold. The value should
remain at its default setting of 2346. Setting the
Fragmentation Threshold too low may result in poor
performance.
RTS Threshold
Request to Send, when set in bytes, specifies the packet size
beyond which the WLAN Card invokes its RTS/CTS mechanism.
Packets that exceed the specified RTS threshold trigger the
RTS/CTS mechanism. The NIC transmits smaller packet
without using RTS/CTS.
The default setting of 2347 (maximum length) disables RTS
Threshold.
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