maxassoc max_inactivity disassoc_low_ack ap_isolate auth_cache \
wps_pushbutton wps_label ext_registrar \
wps_device_type wps_device_name wps_manufacturer wps_pin \
- macfilter ssid wmm hidden
+ macfilter ssid wmm hidden short_preamble
set_default ap_isolate 0
set_default maxassoc 0