With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cempMemPoolLowestFree
Cisco Enhanced Memory Pool Lowest Free
1.3.6.1.4.1.9.9.221.1.1.1.1.10
The lowest amount of available memory in the memory pool recorded at any time during the operation of the system.
Back to CISCO-ENHANCED-MEMPOOL-MIB MIB page.
IPHost Network monitor allows you to monitor cempMemPoolLowestFree 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.