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Chapter 6 Wireless LAN
NWA1000 Series User’s Guide
59
Repeater SSID
Profile
Select the SSID profile you want to use for repeater connections.
Note: You can only configure None, or WPA2-PSK security mode for the SSID used by a
repeater connection.
Advanced Settings
Beacon Interval When a wirelessly network device sends a beacon, it includes with it a beacon interval.
This specifies the time period before the device sends the beacon again. The interval tells
receiving devices on the network how long they can wait in lowpower mode before waking
up to handle the beacon. A high value helps save current consumption of the access point.
DTIM Interval 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.
Output Power Set the output power of the NWA in this field. If there is a high density of APs in an area,
decrease the output power of the NWA to reduce interference with other APs. Select one
of the following Full (Full Power), 50%, 25%, or 12.5%. See the product specifications
for more information on your NWA’s output power.
Preamble Type Select Dynamic to have the AP automatically use short preamble when wireless adapters
support it, otherwise the AP uses long preamble.
Select Long if you are unsure what preamble mode the wireless adapters support, and to
provide more reliable communications in busy wireless networks.
RTS/CTS
Threshold
(Request To Send) The threshold (number of bytes) for enabling RTS/CTS handshake.
Data with its frame size larger than this value will perform the RTS/CTS handshake.
Setting this attribute to be larger than the maximum MSDU (MAC service data unit) size
turns off the RTS/CTS handshake. Setting this attribute to its smallest value (1) turns on
the RTS/CTS handshake.
Extension
Channel
Protection Mode
You can use CTS to self or RTS-CTS protection mechanism to reduce conflicts with other
wireless networks or hidden wireless clients. The throughput of RTS-CTS is much lower
than CTS to self. Using this mode may decrease your wireless performance.
A-MPDU
Aggregation
This field is available only when 802.11n, 802.11b/g/n, 802.11a/n or 802.11a/n/ac
is selected as the Wireless Mode.
Select 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.
Short GI This field is available only when 802.11n, 802.11b/g/n, 802.11a/n or 802.11a/n/ac
is selected as the Wireless Mode.
Select Enabled to use Short GI (Guard Interval). The guard interval is the gap
introduced between data transmission from users in order to reduce interference.
Reducing the GI increases data transfer rates but also increases interference. Increasing
the GI reduces data transfer rates but also reduces interference.
Table 11 Wireless LAN > Wireless Settings: Root AP (continued)
LABEL DESCRIPTION