Forwarding multi-destination packets in a network with virtual port channels
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United States of America Patent
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Aug 21, 2012
Grant Date -
Oct 6, 2011
app pub date -
Mar 30, 2010
filing date -
Mar 30, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a method includes receiving a multi-destination packet at a switch in communication with a plurality of servers through a network device, identifying a port receiving the multi-destination packet at the switch or a forwarding topology for the multi-destination packet, selecting a bit value based on the identified port or forwarding topology, inserting the bit value into a field in a virtual network tag in the multi-destination packet, and forwarding the multi-destination packet with the virtual network tag to the network device. The network device is configured to forward the multi-destination packet to one or more of the servers based on the bit value in the multi-destination packet. An apparatus for forwarding multi-destination packets is also disclosed.
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