svcSpbIfPortId 1.3.6.1.4.1.6527.3.1.2.4.2.135.1.5

The value of svcSpbIfPortId indicates the port-id of the SAP for this interface entry. This object is valid only when svcSpbIfLocale is set to 'sap'. This object is otherwise insignificant and should contain a value of 0.