With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdot11SecSsidBackupVlanManagementGroup
Cisco Dot11 Security Service Set Identifier Backup Vlan Management Group
1.3.6.1.4.1.9.9.413.2.2.6
This group of objects are to manage the backup VLAN configuration on a SSID.
Back to CISCO-DOT11-SSID-SECURITY-MIB MIB page.
IPHost Network monitor allows you to monitor cdot11SecSsidBackupVlanManagementGroup 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.