With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
carSWHistActiveNodeAddress
car Switch History Active Node Address
1.3.6.1.4.1.9.9.458.1.2.5.1.3
The address of the active appliance after the switchover event. carSWHistActiveNodeAddressType specifies the type of this mib variable.
Back to CISCO-APPLIANCE-REDUNDANCY-MIB MIB page.
IPHost Network monitor allows you to monitor carSWHistActiveNodeAddress 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.