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On-line switch diagnostics

  • US 6,487,208 B1
  • Filed: 09/09/1999
  • Issued: 11/26/2002
  • Est. Priority Date: 09/09/1999
  • Status: Expired due to Term
First Claim
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1. In a computer network system that includes a multiplicity of nodes interconnected by a network of switches, each switch having multiple ports, a method for testing one of the switches, comprising:

  • assigning a respective one of the nodes to each of a plurality of the ports of the switch being tested;

    configuring the network so that the switch being tested is substantially isolated from data flow from and to the nodes in the network that are not assigned to the ports of the switch;

    conveying data at a controlled rate between two or more of the assigned nodes through the respective ports; and

    observing behavior of the switch in response to the data being conveyed.

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