In hostapd_cli "mib" command give "UNKNOWN COMMAND"


I am using hostapd_cli but when I am running "mib" command it gives me UNKNOWN COMMAND

root@OpenWrt:/etc/openCAPWAP# hostapd_cli
hostapd_cli v2.9
Copyright (c) 2004-2019, Jouni Malinen and contributors

This software may be distributed under the terms of the BSD license.
See README for more details.

Selected interface 'WTPWLan00'

Interactive mode


When I google this I got this link( but I am not able to get it, whether it is default behaviour of openWRT package or it can be done by some other way?

I got struct at this point.
Please help me with this.