With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseCacheUtilTable
CISCO SWITCH ENGINE Cache Utilization Table
1.3.6.1.4.1.9.9.97.1.4.4
A table of utilization levels in percentage of cache capacity per switch engine. Each row instance is the current flow utilization information in the cache pool of the corresponding switching engine.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseCacheUtilTable 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.