wfMplsAtmIfAllocVcs 1.3.6.1.4.1.18.3.5.9.16.1.2.1.6

The number of VCs which are currently allocated for different LDP sessions on this interface. wfMplsAtmTotalVcs minus the value of this object results in knowning how many VCs are still available to allocate to new LDP sessions on this interface.