Virtual network devices

Details Virtual network devices Virtual network devices

2006-12-05

2006-12-05

Chin, Wellinston (Department: 2616)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S216000, C370S217000, C370S227000, C370S228000

Reexamination Certificate

active

07145866

ABSTRACT:
A trunk in a network file server includes at least two communications ports. The trunk is created by combining the communications ports into a single virtual device and assigning ownership of the communications ports to the virtual device. A failsafe network device including at least two trunks, with each trunk coupled to different switches can be created by creating a third virtual device. Ownership of a first virtual device including communication ports coupled to a first switch and a second virtual device including communication ports coupled to a second switch is assigned to the third virtual device.

REFERENCES:
patent: 5959968 (1999-09-01), Chin et al.
patent: 6049528 (2000-04-01), Hendel et al.
patent: 6385197 (2002-05-01), Sugihara
patent: 6678241 (2004-01-01), Gai et al.
patent: 2002/0071386 (2002-06-01), Gronke
patent: 2002/0138628 (2002-09-01), Tingley et al.
Frazier, H., “Link Aggregation and Trunking”,IEEE 802 LMSC Tutorial, http://graper.ieee.org/groups/802/3/trunk-study/tutorial.index.html, Sun Microsystems, (Nov. 1997).

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