With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecEndPtRemoteAddr2
Cisco IPSec Sec End Point Remote Addr2
1.3.6.1.4.1.9.9.171.1.3.3.1.11
The remote Endpoint's second IP address specification. If the remote Endpoint type is single IP address, then this is the value of the IP address. If the remote Endpoint type is IP subnet, then this is the value of the subnet mask. If the remote Endpoint type is IP address range, then this is the value of ending IP address of the range.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecEndPtRemoteAddr2 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.