With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseMetUsageEntry
CISCO SWITCH ENGINE Met Usage Entry
1.3.6.1.4.1.9.9.97.1.10.1.1
Each row contains the total number of entries in each MET, the number of free entries in unallocated as well as allocated space of the MET. Each row represents MET data maintained by each module (identified by its entPhysicalIndex) which is capable of this feature.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseMetUsageEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.