With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdot11SecAuxSsidBroadcast
Cisco Dot11 Security Auxiliary Service Set Identifier Broadcast
1.3.6.1.4.1.9.9.413.1.1.1.1.2
This object indicates if an auxiliary SSID is a Broadcast SSID. There should only be one Broadcast SSID installed on any IEEE 802.11 radio interface if Multiple BSSID feature is not enabled. To enable this SSID for MBSSID broadcast, use cdot11SecAuxSsidMbssidBroadcast.
Back to CISCO-DOT11-SSID-SECURITY-MIB MIB page.
IPHost Network monitor allows you to monitor cdot11SecAuxSsidBroadcast on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.