Technical Tip: FortiAP not auto adjusting the Tx power and always operating on the Maximum power set in the range

[pprince]

Description	This article describes the issue where FortiAP does not auto-adjust the Tx power and always operates on the Maximum power set in the range. Consider the below screenshot to understand the problem : Here all the FortAPs are operating on the same TX power which is 17 dBm, although there is a range of dBm values set on the FortiAP profile.
Scope	All FortiAP models.
Solution	Check the ForitAP profile's auto-power-target setting which should not be empty.  config wireless-controller wtp-profile     edit "FAP231F-Test"         config platform             set type 231F             set ddscan enable         end         set handoff-sta-thresh 55         set ap-country DK         set allowaccess https ssh snmp         set frequency-handoff enable             config radio-1                 set band 802.11ax                 set auto-power-level enable                 set auto-power-high 25                 set auto-power-low 6                 set auto-power-target ''                 set darrp enable                 set vap-all manual                 set vaps "FRDWLAN" "RD-GUEST"                 set vap1 "FRDWLAN"                 set vap2 "RD-GUEST"                 set channel "1" "6" "11"             end             config radio-2                 set band 802.11ax,ac-only                 set channel-bonding 40MHz                 set auto-power-level enable                 set auto-power-low 11                 set auto-power-target ''  <----------- It should not be empty. The default is -70.                 set darrp enable                 set vap-all manual                 set vaps "FRDWLAN" "RD-GUEST"                 set vap1 "FRDWLAN"                 set vap2 "RD-GUEST"                 set channel "36" "44" "52" "60" "100" "108" "116" "132"             end             config radio-3                 set mode monitor                 set wids-profile "default-wids-apscan-enabled" FortiAP would only adjust power to a lower value if other FortiAP can hear it high than -70 (This is a default setting on the AP profile where -70 is the value set on 'set auto-power-target -70'). Note: auto-power-target is used to configure the target Received Signal Strength Indicator (RSSI) level that the FortiAP should try to maintain for its clients through automatic transmit power adjustment.