tmnxDhcpSvrStatsDropInvalidUsr 1.3.6.1.4.1.6527.3.1.2.47.1.14.1.18

The value of tmnxDhcpSvrStatsDropInvalidUsr indicates the number of DHCP packets dropped by the server instance because the MAC address of the sender or the option 82 didn't match the host lease state.