Network fault detection apparatus

Details Network fault detection apparatus Network fault detection apparatus

2006-03-28

2010-10-12

Vu, Huy D (Department: 2461)

Multiplex communications

Network configuration determination

Using a particular learning algorithm or technique

C370S242000

Reexamination Certificate

active

07813303

ABSTRACT:
A network fault detection apparatus, which detects L2 loops due to L3 bridge connections, is provided. A network fault detection apparatus acquires physical addresses corresponding to the network addresses of at least two nodes among the plurality of nodes constituting a network, and by detecting the existence of a plurality of physical addresses for network addresses of the two nodes, and detecting the existence of a physical address common to network addresses thereamong, detects an L2 loop caused by an L3 bridge connection, which induces a network fault.

REFERENCES:
patent: 6038600 (2000-03-01), Faulk et al.
patent: 6665305 (2003-12-01), Weismann
patent: 6810021 (2004-10-01), Sakurai
patent: 7385918 (2008-06-01), Takagi
patent: 2001-197114 (2001-07-01), None
patent: 2002-252625 (2002-09-01), None
patent: 2004-320248 (2004-11-01), None
Translation of Japanese application 2002-252625.

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