ACCEPTED
Please predict whether this patent is acceptable.PATENT ABSTRACT: A switching system includes a plurality of line cards and a switch card. The line card or cards notifies the switch card about whether or not the line card or cards is in the FDB learning enabled state. The switch card includes a learning information storage unit that holds in store the FDB learning information received from the multiple line cards and an FDB learning arbitration unit that, when all of the line cards are in an FDB learning enabled state, selects and sends the FDB learning information, stored in the learning information storage unit, to the respective line cards, based on a notification from each of the line cards.