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Method and system for non-disruptive data capture in networks

  • US 7,525,910 B2
  • Filed: 07/12/2004
  • Issued: 04/28/2009
  • Est. Priority Date: 07/16/2003
  • Status: Active Grant
First Claim
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1. A method for capturing data in a communication port of a fibre channel switch element in a computer network, the method comprising:

  • a processor in the switch element detecting a condition for enabling data capture;

    the processor, in response to the detected condition, setting a control bit to enable the communication port to capture data; and

    capturing data in the communication port based on the set control bit, and regardless of whether the communication port has available buffer-to-buffer credit;

    wherein data capture comprises collecting information from the computer network; and

    wherein buffer-to-buffer credit limits a number of frames that the communication port may receive before a source port stops sending frames, the source port being a communication port in the computer network that sends frames.

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