Chapter 13 AP Profile
NWA/WAC/WAX Series User’s Guide
153
Enable A-MPDU
Aggregation
This field is not available when you set 802.11 Mode to 11a or 11b/g.
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.
Enable A-MSDU
Aggregation
This field is not available when you set 802.11 Mode to 11a or 11b/g.
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.
RTS/CTS Threshold Use RTS/CTS to reduce data collisions on the WiFi network if you have WiFi clients that are
associated with the same AP but out of range of one another. When enabled, a WiFi client
sends an RTS (Request To Send) and then waits for a CTS (Clear To Send) before it transmits.
This stops WiFi clients from transmitting packets at the same time (and causing data
collisions).
A WiFi 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.
Beacon Interval When a wirelessly networked device sends a beacon, it includes with it a beacon interval.
This specifies the time period before the Zyxel Device sends the beacon again. The interval
tells receiving devices on the network how long they can wait in low-power mode before
waking up to handle the beacon. A high value helps save current consumption of the
access point.
DTIM Delivery Traffic Indication Message (DTIM) is the time period after which broadcast and
multicast packets are transmitted to mobile clients in the Active Power Management
mode. A high DTIM value can cause clients to lose connectivity with the network. This value
can be set from 1 to 255.
Enable Signal
Threshold
Select the check box to use the signal threshold to ensure WiFi clients receive good
throughput. This allows only WiFi clients with strong signals to connect to the AP. The Zyxel
Device will disconnect WiFi clients with signal strengths lower than the Disassociate Station
Threshold you specify.
Clear the check box to not require WiFi clients to have a minimum signal strength to keep
their connections with the AP.
Disassociate
Station Threshold
Set a minimum kick-off signal strength. When a WiFi client’s signal strength is lower than the
specified threshold, the Zyxel Device disconnects the WiFi client from the AP.
-20 dBm is the strongest signal you can require and -105 is the weakest.
Table 58 Configuration > Object > AP Profile > Radio > Add/Edit (continued)
LABEL DESCRIPTION
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