svcTlsBackboneOperVplsSvcISID 1.3.6.1.4.1.6527.3.1.2.4.2.27.1.5

The value of svcTlsBackboneOperVplsSvcISID indicates operational value of service instance identifier used for this service. As part of the Provider Backbone Bridging frames, it is used at the destination PE as a demultiplexor field.