With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmnHistTableMaxLength
cmn Hist Table Max Length
1.3.6.1.4.1.9.9.215.1.1.7
The upper limit on the number of entries that the cmnHistoryTable may contain. A value of 0 will prevent any history from being retained. When this table is full, the oldest entry will be deleted and a new one will be created.
Back to CISCO-MAC-NOTIFICATION-MIB MIB page.
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