Description: An entry in the Extended package Control table. Rows exist for an OLT interface and an ONU interface. A row in the table is denoted by the ifIndex of the link and it is created when the ifIndex is created. The rows in the table for an ONU interface are created at system initialization. The row in the table corresponding to the OLT ifIndex and the row corresponding to the broadcast virtual link are created at system initialization. A row in the table corresponding to the ifIndex of a virtual links is created when a virtual link is established (ONU registers) and deleted when the virtual link is deleted (ONU deregisters).