With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vmpsMacConfigVlan
vmps Mac Config Vlan
1.3.6.1.4.1.9.9.53.1.2.1.1.2
A VLAN that will be returned to an end station that provides the corresponding MAC address in a configuration request. A zero length string indicates that the corresponding MAC address is not permitted on any VLANs, including the fall-back.
Back to CISCO-VMPS-MIB MIB page.
IPHost Network monitor allows you to monitor vmpsMacConfigVlan on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.