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Bridge apparatus with entries reduced in filtering database and network using the same

  • US 20020181478A1
  • Filed: 05/21/2002
  • Published: 12/05/2002
  • Est. Priority Date: 05/30/2001
  • Status: Active Grant
First Claim
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1. A bridge apparatus comprising:

  • a filtering database which stores sets of a source address of a transmission source bridge apparatus from which a frame has been transmitted and one of ports of said bridge apparatus through which said frame is received, wherein said transmission source bridge apparatus address comprises a subnet ID, a node ID and a port ID, said subnet ID is an ID allocated to a subnet to which said transmission source bridge apparatus belongs, said node ID is an ID allocated to said transmission source bridge apparatus, and said port ID is an ID allocated to each of ports of said transmission source bridge apparatus; and

    a switch section which is connected with said ports of said bride apparatus and refers to said filtering database based on a destination address of a transmission frame to determine one port of said bridge apparatus as an output port from which said transmission frame is outputted, when said transmission frame is received through another of said ports of said bridge apparatus.

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