Methods and apparatus for selection of mirrored traffic

Details Methods and apparatus for selection of mirrored traffic Methods and apparatus for selection of mirrored traffic

2007-11-06

2007-11-06

Ho, Duc (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S468000, C370S394000, C370S401000, C370S432000

Reexamination Certificate

active

10813766

ABSTRACT:
One embodiment disclosed relates to a method for mirroring of select network traffic. A data packet is received by a network device. A determination is made as to whether a designated aspect of the packet matches a flagged entry in a look-up table on the network device. If a match is found, then copy of the packet is sent to an associated mirror destination. Another embodiment disclosed relates to a networking apparatus. The apparatus includes at least an operating system, a look-up table, and a mirroring engine. The operating system includes routines utilized to control the apparatus, and the look-up table includes selection information for mirror sources. The mirroring engine forwards copies of selected packets to a corresponding mirror destination. Another embodiment disclosed relates to a method of selecting packets to mirror that includes checking state information relating to the network traffic against dynamic mirroring criteria.

REFERENCES:
patent: 5802320 (1998-09-01), Baehr et al.
patent: 6041042 (2000-03-01), Bussierre
patent: 6618818 (2003-09-01), Wahl et al.
patent: 6707817 (2004-03-01), Kadambi et al.
patent: 7031304 (2006-04-01), Arberg et al.
patent: 2004/0213232 (2004-10-01), Regan

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