These counters record values over the lifetime of a PVC. For counters that refer to use of the PVC by individual clients, see the x25 access port entity. o accesses blocked Number of times an attempt to open a PVC has failed because of security. o creation time Time at which this entity was created. o data octets received Number of octets received by the PVC since it was created. o data octets sent Number of octets sent by the PVC since it was created. o data pdus received Number of data PDUs received by the PVC since it was created. o data pdus sent Number of data PDUs sent by the PVC since it was created. o pvc failures Number of times the PVC has failed while the entity has been allocated.