With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmnMacAddrRemovedEnable
cmn Mac Addr Removed Enable
1.3.6.1.4.1.9.9.215.1.2.1.1.2
Indicates whether this interface is enabled to send cmnMacChangedNotification when a MAC address which it learnt previously is removed from the forwarding table. 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 a MAC address which this interface learnt previously is removed from the forwarding table. Setting this object to false(2) disables the sending of cmnMacChangedNotification when a MAC address which this interface learnt previously is removed from the forwarding table.
Back to CISCO-MAC-NOTIFICATION-MIB MIB page.
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