Specifications

RoamAbout Mobility System Software Command Line Reference 11-97
set service-profile no-broadcast
Disablesorreenablestheno‐broadcastmode.Theno‐broadcastmodehelpsreducetraffic
overheadonanSSIDbyleavingmoreofanSSID’sbandwidthavailableforunicasttraffic.Theno‐
broadcastmodealsohelpsVoIPhandsetsconservepowerbyreducingtheamountofbroadcast
trafficsenttothephones.
When
enabled,theno‐broadcastmodepreventsAPradiosfromsendingDHCPorARP
broadcaststoclientsontheserviceprofile’sSSID.Instead,anAPradiohandlesthistrafficas
follows:
•ARPrequests—IftheSSIDhasclientswhoseIPaddressestheRoamAboutSwitchdoesnot
alreadyknow,theswitchallowstheAP
radiotosendtheARPrequestasaunicasttoonly
thosestationswhoseaddressestheswitchdoesnotknow.TheAPradiodoesnotforwardthe
ARPrequestasabroadcastanddoes notsendtherequestasaunicasttostationswhose
addressestheswitchalreadyknows.
•DHCPOffers 
orAcks—IfthedestinationMACaddressbelongstoaclientontheSSID,theAP
radiosendstheDHCPOfferorAckasaunicasttothatclientonly.
Theno‐broadcastmodedoesnotaffectothertypesofbroadcasttrafficanddoesnotprevent
clientsfromsendingbroadcasts.
Syntax
set service-profile name no-broadcast {enable | disable}
Parameters
Defaults
Theno‐broadcastmodeisdisabledbydefault.(Broadcasttrafficnotdisabled.)
Mode
Enabled.
Usage
Tofurtherreduce ARPtrafficonaserviceprofile,usethesetservice‐profileproxy‐arpcommand
toenableProxyARP.
Example
Thefollowingcommandenablestheno‐broadcastmodeonserviceprofilesp1:
RBT-8100# set service-profile sp1 no-broadcast enable
success: change accepted.
name Serviceprofilename.
enable Enablestheno‐broadcastmode.APradiosarenotallowedtosend
broadcasttraffictoclientsontheserviceprofile’sSSID.
disable Disablestheno‐broadcastmode.