tlsProtMacImplPortId 1.3.6.1.4.1.6527.3.1.2.4.2.61.1.3

When the value of tlsProtMacImplLocale is 'sap', this object, along with tlsProtMacImplEncapValue, indicates the SAP where this MAC address is protected. This object is otherwise insignificant and contains the value zero.