With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDhcpv4ServerNotifyDuplicateMac
Cisco Dynamic Host Configuration protocol Server Notify Duplicate Mac
1.3.6.1.4.1.9.10.102.1.7.2
The offending MAC address which caused a duplicate IPv4 address to be detected, if captured by the server, else 00-00- 00-00-00-00.
Back to CISCO-IETF-DHCP-SERVER-MIB MIB page.
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