With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cewPort
Cisco EnergyWise Port
1.3.6.1.4.1.9.9.683.1.22
This object specifies the port number used for sending and receiving the Cisco EnergyWise communication messages.
Back to CISCO-ENERGYWISE-MIB MIB page.
IPHost Network monitor allows you to monitor cewPort 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.