With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmn Mac Addr Learnt Enable
Indicates whether this interface is enabled to send cmnMacChangedNotification when it learns a new MAC address. This variable has no effect when the value of cmnGlobalFeatureEnabled object is false(2). Setting this object to true(1) enables the sending of cmnMacChangedNotification when this interface learns a new MAC address. Setting this object to false(2) disables the sending of cmnMacChangedNotification when this interface learns a new MAC address.
Back to CISCO-MAC-NOTIFICATION-MIB MIB page.
IPHost Network monitor allows you to monitor cmnMacAddrLearntEnable 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.
Easy monitoring of cmnMacAddrLearntEnable with IPHost tools