With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cswStackPowerPortLinkStatus
csw Stack Power Port Link Status
1.3.6.1.4.1.9.9.500.1.3.2.1.5
This object is used to describe the link status of the stack port. This object will have following valid values, up(1) : The port is connected and operational down(2): The port is either forced down or not connected
Back to CISCO-STACKWISE-MIB MIB page.
IPHost Network monitor allows you to monitor cswStackPowerPortLinkStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.