ptpbaseClockPortRunningEncapsulationType — Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community), LANCOM official release MIBs, Netdisco MIB archive copies, NETGEAR official product and EOL MIB downloads, RFC Editor
This object specifies the type of encapsulation if the interface is adding extra layers (e.g., VLAN or Pseudowire encapsulation) for the PTP messages.