Patent ID: 9596179
Date: 2017-03-14
CPC Classifications: H04L

Claim:
1. A method comprising: receiving, by a network device in a private virtual local area network (VLAN), a first packet; storing, by the network device and in a media access control (MAC) address table, a MAC address of the first packet; receiving, by the network device, a second packet; determining, by the network device, that a MAC address of the second packet matches a MAC address entry in the MAC address table; determining, by the network device, that a classified VLAN signature of the second packet is not a primary VLAN signature after determining that the MAC address of the second packet matches the MAC address entry; and flooding, by the network device, the second packet, as unknown unicast traffic, based on determining that the classified VLAN signature of the second packet is not the primary VLAN signature.