D-Link DWC-1000 [92/368] D link dwc 1000 user manual 92
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D-Link DWC-1000 [92/368] D link dwc 1000 user manual 92

D-Link DWC-1000 [92/368] D link dwc 1000 user manual 92
D-Link DWC-1000 User Manual 92
Section 4 - Advanced WLAN Conguration
Field Description
RF Scan Sentry
Select thisoptiontoallow theradio to operateinsentry mode.Whenthe RF
ScanSentryoption= ON,theradioprimarilyperformsdedicatedRF scanning.
Theradiopassivelylistensforbeaconsandtracexchangebetweenclientsand
other access points but does not accept connections from wireless clients.
Insentrymode,allVAPsaredisabled.NetworksthatdeploysentryAPsorradios
can detect devices on the network quicker and perform more thorough security
analysis. In this mode, the radio switches from one channel to the next. The
length of time spent on each channel is controlled by the scan duration. The
default scan duration is 10 milliseconds.
RF Scan Interval
ThiseldcontrolsthelengthoftimebetweenchannelchangesduringtheRF
Scan.
RF Scan Sentry Channels
The radio can scan channels in the radio frequency used by the 802.11b/g band
(2.4GHz),the802.11aband(5GHz),orbothbands.Selectthechannelbandfor
the radio to scan.
Note: The band selection applies only to radios in sentry mode and is dependent
upon the capabilities of the radio.
Mode
TheModedenesthePhysicalLayer(PHY)standardtheradiouses.
Select one of the following modes for each radio interface:
• IEEE802.11aisaPHYstandardthatspeciesoperatinginthe5GHzU‐NII
bandusingorthogonalfrequencydivisionmultiplexing(OFDM).Itsupports
dataratesrangingfrom6to54Mbps.
• IEEE 802.11b/g operates in the 2.4 GHz ISM band. IEEE 802.11b is an
enhancementofthe initial802.11PHYtoinclude 5.5Mbpsand 11 Mbps
data rates. It uses direct sequence spread spectrum (DSSS) or frequency
hopping spread spectrum (FHSS) as well as complementary code keying
(CCK)toprovidethehigherdatarates.Itsupportsdataratesrangingfrom1
to11Mbps.IEEE802.11gisahigherspeedextension(upto54Mbps)tothe
802.11bPHY.Itusesorthogonalfrequencydivisionmultiplexing(OFDM).It
supportsdataratesrangingfrom1to54Mbps.
• IEEE 802.11a/noperatesin the 5GHz ISM bandand includes support for
both802.11aand802.11ndevices.IEEE802.11nisanextensionofthe802.11
standardthatincludesmultiple‐inputmultiple‐output(MIMO)technology.
IEEE802.11nsupportsdatarangesofupto248Mbpsandnearlytwicethe
indoor range of 802.11 b, 802.11g, and 802.11a.
• IEEE802.11b/g/noperatesinthe2.4GHzISMbandandincludessupportfor
802.11b, 802.11g, and 802.11n devices.
• 5GHzIEEE802.11nistherecommendedmodefornetworkswith802.11n
devices that operate in the 5 GHz frequency that do not need to support
802.11aor802.11b/gdevices.IEEE802.11ncanachieveahigherthroughput
whenitdoesnotneedtobecompatiblewithlegacydevices(802.11b/gor
802.11a).
• 2.4GHzIEEE802.11nistherecommendedmodefornetworkswith802.11n
devices that operate in the 2.4 GHz frequency that do not need to support
802.11aor802.11b/gdevices.IEEE802.11ncanachieveahigherthroughput
whenitdoesnotneedtobecompatiblewithlegacydevices(802.11b/gor
802.11a).
• IEEE802.11n/acoperatesin5GHzISMbandandincludessupportboth11n
and 11ac devices.

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