A VLAN or Virtual Local Area Network is networking terminology constituted by a 12-bit field of an 802.1Q header sandwiched between the source MAC and EtherType fields of an Ethernet frame. Its is represented and configured in the range of 1 to 4094. A VLAN provides Layer-2 segmentation by creating a security boundary and furnishing broadcast separation on a network. A VLAN = 1 broadcast domain = 1 subnet ... View more