With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
sysApplElmtPastRunMemory
sys Appl Elmt Past Run Memory
1.3.6.1.2.1.54.1.2.4.1.9
The last known total amount of real system memory measured in Kbytes allocated to this process before it terminated.
Back to SYSAPPL-MIB MIB page.
IPHost Network monitor allows you to monitor sysApplElmtPastRunMemory on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.