With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bcpConfigMacType
Cisco Bridge Control Protocol Config Mac Type
1.3.6.1.4.1.9.9.275.1.2.1.6
The MAC type that this local BCP entity is prepared to receive and service. This value is meaningful only when the local BCP entity has negotiated the MAC-Support Configuration option, which means the value of bcpConfigMacSupport is enabled(1). These values definition are specified in the most recent RFC1700.
Back to CISCO-BCP-MIB MIB page.
IPHost Network monitor allows you to monitor bcpConfigMacType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.