Patent ID: 9325613
Filing Date: 2016-04-26
CPC Classification: H04L

Claim Text:
1. A communication device comprising: a first memory configured to store transfer information for controlling frame transfer; a processor configured to register a transmission source address of a received frame and corresponding transfer information in the first memory; and a second memory configured to store an upper limit number of registrable addresses for each of designated groups, wherein the processor is configured to determine whether or not the transmission source address of the received frame is registrable in the first memory, based on a result of comparison between a number of registered addresses in a group corresponding to the received frame and an upper limit number assigned to the group corresponding to the received frame, wherein the second memory stores, for each of the groups, a first upper limit number representing an upper limit number of addresses registrable with a first learning priority, and a second upper limit number representing an upper limit number of addresses registrable with a second learning priority that is lower than the first learning priority, and the processor is configured to: