With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
agentServicePortBurnedInMacAddress
agent Service Port Burned In Mac Address
1.3.6.1.4.1.14179.1.2.4.4
The switch's Service Port Burned-In MAC address (Service-port interface in agentInterfaceConfigTable is recommended instead of this group)
Back to AIRESPACE-SWITCHING-MIB MIB page.
IPHost Network monitor allows you to monitor agentServicePortBurnedInMacAddress on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.