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Method and apparatus for address to port mapping in a token ring network

  • US 5,646,939 A
  • Filed: 08/08/1995
  • Issued: 07/08/1997
  • Est. Priority Date: 08/08/1995
  • Status: Expired due to Fees
First Claim
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1. A method for address to port mapping in a ring network, the method comprising the steps of:

  • performing neighbor notification where each station on the network sequentially transmits its own neighbor notification frame onto the ring indicating an address of a respective station, a receiving station modifying a received neighbor notification frame if said receiving station is a first station to receive said neighbor notification frame;

    upstream monitoring of an upstream side of a port on the network to determine when an immediately upstream station transmits its neighbor notification frame onto the ring;

    downstream monitoring of a downstream side of said port and recording all addresses in frames after said immediately upstream station transmits its neighbor notification frame onto the ring until said downstream monitoring determines an address of a station immediately upstream of said downstream side;

    mapping all of said addresses recorded and determined from said downstream side to said port.

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