With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoHealthMonIOMemUsed
cisco Health Monitor IO Memory Used
1.3.6.1.4.1.9.10.28.1.2.1.9
The number of bytes of IO memory that are currently in use by the applications on the shelf. This is the polled value for ciscoMemoryPoolUsed of io-mem type on the router shelf.
Back to CISCO-5800-HEALTH-MON-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoHealthMonIOMemUsed 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.