Customer isolation using a common forwarding database with hardware learning support
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United States of America Patent
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Feb 5, 2013
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app pub date -
Mar 18, 2009
filing date -
Mar 18, 2009
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Abstract
A network switch includes a plurality of isolated ports, each associated with a private domain. The switch also includes a network port associated with the private domain. A memory in the switch maintains a hardware-based forwarding table for the private domain. Processing logic in the network switch prevents forwarding of packets between isolated ports within the private domain based at least in part on a privacy level associated with each entry in the hardware-based forwarding table for the private domain.
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