Specifications

Configuring Access Points
RoamAbout Mobility System Software Configuration Guide 9-45
Changing the DTIM Interval
TheDTIMintervalsp ecifiesthenumberoftimesaftereverybeaconthataradiosendsadelivery
trafficindicationmap(DTIM).Anaccesspointsendsthemulticastandbroadcastframesstoredin
itsbufferstoclientswhorequesttheminresponsetotheDTIM.TheDTIMintervalappliestoboth
the
beaconedSSIDandtheunbeaconedSSID.
TheDTIMintervaldoesnotapplytounicastframes.Anaccesspointalsostoresunicastframesin
buffermemory,buttheAPincludesinformationaboutthebufferedunicastframesineachbeacon
frame.Whenauserstationreceivesabeaconframethatadvertisesunicastframes
destinedforthe
station,thestationsendsarequestfortheframesandtheAPtransmitstherequestedframestothe
userstation.
TochangetheDTIMinterval,usethefollowingcommand:
set radio-profile name dtim-interval interval
Theintervalcanbeavaluefrom1through31.Thedefaultis1.
Example
TochangetheDTIMintervalforradioprofilerp1to2,typethefollowingcommand:
RBT-8100# set radio-profile rp1 dtim-interval 2
success: change accepted.
Changing the RTS Threshold
TheRTSthresholdspecifiesthemaximumlengthaframecanbebeforearadiousestheRequest‐
to‐Send/Clear‐to‐Send(RTS/CTS)methodtosendtheframe.TheRTS/CTSmethodclearsthe airof
othertraffictoavoidcorruptionoftheframeduetoacollisionwithanotherframe.
Whena
frameislongenoughfortheRTS/CTSmethodtobeapplicable,theradiosendsaRequest‐
To‐Send(RTS)messageaddressedtotheintendedreceiverfortheframe.Thereceiverreplieswith
aClear‐To‐Send(CTS)message.WhentheradioreceivestheCTSmessage,theradiotransmitsthe
frameand
waitsforanacknowledgment fromthereceiver.Theradiodoesnottransmitadditional
framesuntilreceivingtheacknowledgment.
AnyotheruserstationthatoverhearstheRTSorCTSmessagestopstransmittinguntilthestation
overhearstheacknowledgmentmessage.
TochangetheRTSthreshold,usethefollowingcommand:
set radio-profile name rts-threshold threshold
Thethresholdcanbeavaluefrom256bytesthrough3000bytes.Thedefaultis2346.
Example
TochangetheRTSthresholdforradioprofilerp1to1500 bytes,typethefollowingcommand:
RBT-8100# set radio-profile rp1 rts-threshold 1500
success: change accepted.