Chapter 14 AP Profile
SBG3500-N Series User’s Guide
231
Mode Select how to let wireless clients connect to the AP.
When using the 2.4 GHz band, select b/g to let IEEE 802.11b and IEEE 802.11g
compliant WLAN devices associate with the AP.
When using the 2.4 GHz band, select b/g/n to let IEEE 802.11b, IEEE 802.11g, and
IEEE 802.11n compliant WLAN devices associate with the AP.
When using the 5 GHz band, select a to let only IEEE 802.11a compliant WLAN devices
associate with the AP.
When using the 5 GHz band, select a/n to let IEEE 802.11a and IEEE 802.11n
compliant WLAN devices associate with the AP.
Channel Select the wireless channel which this radio profile should use.
It is recommended that you choose the channel least in use by other APs in the region
where this profile will be implemented. This will reduce the amount of interference
between wireless clients and the AP to which this profile is assigned.
Some 5 GHz channels include the label indoor use only. These are for use with an
indoor AP only. Do not use them with an outdoor AP.
Advanced Settings
Channel Width Select the channel bandwidth you want to use for your wireless network.
Select Auto to allow the SBG3500-N Series to adjust the channel bandwidth to 40 MHz
or 20 MHz depending on network conditions.
Select 20 MHz if you want to lessen radio interference with other wireless devices in
your neighborhood.
Guard Interval Set the guard interval for this radio profile to either short or long.
The guard interval is the gap introduced between data transmission from users in order
to reduce interference. Reducing the interval increases data transfer rates but also
increases interference. Increasing the interval reduces data transfer rates but also
reduces interference.
Enable A-MPDU
Aggregation
Select this to enable A-MPDU aggregation.
Message Protocol Data Unit (MPDU) aggregation collects Ethernet frames along with
their 802.11n headers and wraps them in a 802.11n MAC header. This method is useful
for increasing bandwidth throughput in environments that are prone to high error
rates.
A-MPDU Limit Enter the maximum frame size to be aggregated.
A-MPDU
Subframe
Enter the maximum number of frames to be aggregated each time.
Enable A-MSDU
Aggregation
Select this to enable A-MSDU aggregation.
Mac Service Data Unit (MSDU) aggregation collects Ethernet frames without any of
their 802.11n headers and wraps the header-less payload in a single 802.11n MAC
header. This method is useful for increasing bandwidth throughput. It is also more
efficient than A-MPDU except in environments that are prone to high error rates.
A-MSDU Limit Enter the maximum frame size to be aggregated.
RTS/CTS
Threshold
Use RTS/CTS to reduce data collisions on the wireless network if you have wireless
clients that are associated with the same AP but out of range of one another. When
enabled, a wireless client sends an RTS (Request To Send) and then waits for a CTS
(Clear To Send) before it transmits. This stops wireless clients from transmitting
packets at the same time (and causing data collisions).
A wireless client sends an RTS for all packets larger than the number (of bytes) that
you enter here. Set the RTS/CTS equal to or higher than the fragmentation threshold
to turn RTS/CTS off.
Table 73 Network Settings > AP Profile > Add/Modify New Profile (continued)
LABEL DESCRIPTION
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