Switch fabric testing

Details Switch fabric testing Switch fabric testing

H - Electricity

04

L

H04L 1/22 (2006.01) H04L 1/24 (2006.01) H04L 12/26 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2327461

A method is presented which allows for the testing and verification of an off- line switch fabric used in network switch having redundant switch fabrics. A special test cell is directed to the off-line switch fabric, loops through a portion of the switching core of the off-line switch fabric, and is returned from the off-line switch fabric. A plurality of test cells can be used to provide full mesh connectivity checking of the off-line switch fabric. Testing is accomplished without need for reconfiguration of the off-line switch fabric, and the off-line switch fabric is available for use immediately upon determination of the need therefor.

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