Method and system of providing redundancy in a network device
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United States of America Patent
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Aug 17, 2010
Grant Date -
Apr 5, 2007
app pub date -
Sep 15, 2006
filing date -
Sep 16, 2005
priority date (Note) -
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Abstract
Systems and methods for redundancy in a network device are disclosed. An exemplary network device comprises: a plurality of data forwarding elements (DFEs); and a redundant control plane. The redundant control plane comprises: an active control processor for configuring forwarding operation of each of the DFEs; an active layer-2 switch coupled to the active control processor and to each of the DFEs; a standby control processor; and a standby layer-2 switch coupled to the standby control processor and to each of the DFEs. The active control processor is programmed in a full-mesh so that the active control processor is in communication with each of the DFEs. The standby control processor is programmed in a full-mesh so that the standby control processor is in communication with each of the DFEs.
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