With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cewNeighborHeartBeat
Cisco EnergyWise Neighbor Heart Beat
1.3.6.1.4.1.9.9.683.1.9.1.4
This object indicates the value of sysUpTime the last time a heartbeat was received from the neighbor Cisco EnergyWise entity.
Back to CISCO-ENERGYWISE-MIB MIB page.
IPHost Network monitor allows you to monitor cewNeighborHeartBeat on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.