With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dlswDirLocateMacLocation
dlsw Dir Locate Mac Location
1.3.6.1.4.1.2011.2.34.4.3.1.1.3
Points to the dlswDirMacEntry.
Back to DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor dlswDirLocateMacLocation on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.