The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2009
Filed:
Apr. 05, 2007
Katsumi Shimada, Kawasaki, JP;
Katsumi Shimada, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A packet forwarding apparatus has link aggregation capability and prevents the occurrence of flooding when forwarding a packet to a link of a trunk. The packet forwarding apparatus includes sections for learning the source address and a receiving path of the packet by learning information for identifying a port through which to receive the packet, a trunk of a link connected to the port, and a change in the receiving path of a packet received by the trunk, packet forwarding processing unit for, when a receiving path of packets having the same source address is changed in the trunk, selecting one link from among a plurality of links of the trunk in order to forward a packet having a destination address that is the same as the source address and forwarding the packet, and a learning requesting unit for requesting the performance of learning for the packet inside the packet forwarding apparatus.