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Diagnostic functionality for wireless client connectivity problems in wireless networks

  • US 7,765,256 B2
  • Filed: 12/17/2007
  • Issued: 07/27/2010
  • Est. Priority Date: 10/30/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving from one or more wireless network elements, connection state information associated with a wireless client having a connection problem;

    receiving from one or more network infrastructure elements log data associated with the wireless client;

    correlating the connection state information and the log data based on a network security protocol employed by the wireless client, wherein the network security protocol corresponds to an expected sequence of events, wherein the correlating comprises;

    ordering events and messages indicated in the log data based on the expected sequence of events and the connection state information; and

    comparing the correlated events and messages to a data store of diagnostic information to identify one or more possible causes of the connection problem.

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