Method and apparatus for forwarding packet

Details Method and apparatus for forwarding packet Method and apparatus for forwarding packet

2007-04-05

2009-08-25

Cho, Hong (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S392000, C370S474000, C709S242000

Reexamination Certificate

active

07580407

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.

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