Specifications

11-66 Access Point Commands
set radio-profile preamble-length
Changesthepreamblelengthforwhichan802.11b/gaccesspointradioadvertisessupport.This
commanddoesnotapplyto802.11a.
Syntax
set radio-profile name preamble-length {long | short}
Parameters
Defaults
Thedefaultisshort.
Mode
Enabled.
Usage
Changingthepreamblelengthvalueaffectsonlythesupportadvertisedbytheradio.Regardless
ofthepreamblelengthsetting(shortorlong),an802.11b/gradioacceptsandcangenerate
802.11b/gframeswitheithershortorlongpreambles.
Ifaclientassociatedwithan802.11b/gradiouseslongpreamblesforunicast
traffic,theaccess
pointstillacceptsframeswithshortpreamblesbutdoesnottransmitframeswithshortpreambles.
Thischangealsooccursiftheaccesspointoverhearsabeaconfroman802.11b/gradioonanother
accesspointthatindicatestheradiohasclientsthatrequirelongpreambles.
Youmustdisableall
radiosthatusearadioprofilebeforeyoucanchangeparametersinthe 
profile.Usethesetradio‐profilemodecommand
.
Example
Thefollowingcommandconfigures802.11b/gradiosthatusetheradioprofilerp_longtoadvertise
supportforlongpreamblesinsteadofshortpreambles:
RBT-8100# set radio-profile rp_long preamble-length long
success: change accepted.
Related Commands
• setradio‐profilemodeonpage 11‐63
• showradio‐profileonpage 11‐157
name Radioprofilename.
long Advertisessupportforlongpreambles.
short Advertisessupportforshortpreambles.