networkAccessMacAddressTime — Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community), Edgecore official enterprise switch MIBs, Edgecore MIB copies (Observium Community)
Displays the authentication time of the authenticated MAC address. The following form is a text string; 'yyyy MMm DDd HHh MMm SSs'. 'yyyy' is a four-digit year. 'MM' is a month. A single-digit month is preceded by a zero. 'DD' is the day of a month. A single-digit day is preceded by the value zero. 'HH', 'MM' and 'SS' are hour, minute, and second respectively. A single-digit hour, minute, and second are preceded by a zero value. An example is: '2001y 01m 01d 00h 04m 43s'.