With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lldpLocManAddrOID
lldp Loc Man Addr OID
1.0.8802.1.1.2.1.3.8.1.6
The OID value used to identify the type of hardware component or protocol entity associated with the management address advertised by the local system agent.
Back to LLDP-MIB MIB page.
IPHost Network monitor allows you to monitor lldpLocManAddrOID 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.