With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseCacheUtilEntry
CISCO SWITCH ENGINE Cache Utilization Entry
1.3.6.1.4.1.9.9.97.1.4.4.1
A row instance represents layer 3 flow utilization of a particular cache pool on a switching engine.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseCacheUtilEntry 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.