• 1.3.6.1.4.1.25506.2.87.1.1.3
• Access readonly
• Type Counter32

The number of MAC addresses that learnt by the device since the hh3cMACInformationEnabled is set to enabled(1) and hh3cMACLearntEnable is set to enabled(1) at least on one interface. If the hh3cMACInformationEnabled is set to disabled(2), the object will always return 0.