With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cshcMacCollisions
cshc Mac Collisions
1.3.6.1.4.1.9.9.663.1.1.1.1.1.1
The number of Ethernet frames whose source MAC address the switching engine failed to learn while constructing its MAC table.
Back to CISCO-SWITCH-HARDWARE-CAPACITY-MIB MIB page.
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