Abstract: A method for tracing communications includes receiving trace criteria from a first remote element and determining whether a call signaling message matches the trace criteria. The method includes attaching a trace tag to the call signaling message, if the call signaling message matches the trace criteria. The method further includes transmitting the call signaling message to a second remote element.
Type:
Grant
Filed:
April 17, 2007
Date of Patent:
August 17, 2010
Assignee:
Cisco Technlogy, Inc.
Inventors:
Randall P. J. Ethier, Michael P. Hammer, Scott S. Firestone
Abstract: Methods, apparatuses and systems directed to detecting address spoofing in wireless networks by, after receiving a wireless management frame, transmitting verification messages to determine whether a given wireless node (e.g., a wireless access point, or wireless client) has legitimately lost its connection state.
Type:
Application
Filed:
March 16, 2006
Publication date:
September 20, 2007
Applicant:
Cisco Technlogy, Inc.
Inventors:
Patrice Calhoun, Nancy Cam-Winget, Mark Krischer, Robert O'Hara