Network switch using a steering header for management frames

Details Network switch using a steering header for management frames Network switch using a steering header for management frames

2004-11-16

2010-02-23

Trost, IV, William (Department: 2416)

Multiplex communications

Communication techniques for information carried in plural...

Assembly or disassembly of messages having address headers

C370S392000

Reexamination Certificate

active

07668203

ABSTRACT:
A network device, and corresponding method and computer program, comprises a plurality of ports; wherein one of the ports is configured to receive frames of data each comprising a steering header comprising a flooding mask that identifies one or more of the ports, and a management bit that when set indicates the frame of data is a management frame; wherein, for each frame received by the one of the ports, the one of the ports removes the steering header from the frame and, when the management bit is set, identifies the frame as a management frame and directs the frame to one or more of the ports based only on the flooding mask; and wherein each of the ports can operate in a blocked state that permits only frames of data identified as management frames to pass through the port.

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