The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 2004
Filed:
Aug. 30, 1999
Marco Foschiano, San Jose, CA (US);
Hei Tao Fung, Santa Clara, CA (US);
Alagu Annaamalai, Cupertino, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method of testing a primary device for two-way communication between the primary device and one or more other devices in communication therewith in a network. The method may include receiving a packet containing an originating device identifier at the primary device; adding a primary device identifier to the packet; transmitting the packet containing the originating device identifier and the primary device identifier from the primary device; and receiving a reply packet and detecting two-way communication if the reply packet contains the originating device identifier and the primary device identifier. A system for testing a primary device for two-way communication between the primary device and the other devices coupled to the primary device is also disclosed.