DYNAMIC MULTI-DESTINATION TRAFFIC MANAGEMENT IN A DISTRIBUTED TUNNEL ENDPOINT
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United States of America Patent
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app pub date -
Oct 28, 2016
filing date -
Apr 21, 2016
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Abstract
One embodiment of the present invention provides a switch. The switch includes a storage device, a mapping module, and a packet processor. During operation, the mapping module maintains a first and a second mappings. The first mapping, which can be in the storage device, is between a first service tunnel identifier and a first virtual local area network (VLAN) identifier. The second mapping is between the first VLAN identifier and an indicator, which indicates whether the switch is elected as a designated forwarder of multi-destination traffic for the first service tunnel identifier. If the indicator indicates that the switch is the designated forwarder of multi-destination traffic for the first service tunnel identifier, the packet processor determines an egress port, which corresponds to the first service tunnel, for a packet belonging to multi-destination traffic of the first VLAN.
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