With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmnMACThresholdLimit
cmn MAC Threshold Limit
1.3.6.1.4.1.9.9.215.1.4.2
Indicate the threshold limit of the forwarding table utilization.
Back to CISCO-MAC-NOTIFICATION-MIB MIB page.
IPHost Network monitor allows you to monitor cmnMACThresholdLimit on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.