With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecGlobalInReplayDrops
Cisco IPSec Sec Global In Replay Drops
1.3.6.1.4.1.9.9.171.1.3.1.11
The total number of packets dropped during receive processing due to Anti-Replay processing by all current and previous IPsec Phase-2 Tunnels.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecGlobalInReplayDrops 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.