With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dlswDirLocateMacMac
dlsw Dir Locate Mac Mac
1.3.6.1.4.1.2011.2.34.4.3.1.1.1
The MAC address to be located.
Back to DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor dlswDirLocateMacMac 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.