<P> A virtual LAN ( VLAN ) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer ( OSI layer 2 ) . LAN is the abbreviation for local area network and in this context virtual refers to a physical object recreated and altered by additional logic . VLANs work by applying tags to network packets and handling these tags in networking systems - creating the appearance and functionality of network traffic that is physically on a single network but acts as if it is split between separate networks . In this way , VLANs can keep network applications separate despite being connected to the same physical network , and without requiring multiple sets of cabling and networking devices to be deployed . </P>
<P> A virtual LAN ( VLAN ) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer ( OSI layer 2 ) . LAN is the abbreviation for local area network and in this context virtual refers to a physical object recreated and altered by additional logic . VLANs work by applying tags to network packets and handling these tags in networking systems - creating the appearance and functionality of network traffic that is physically on a single network but acts as if it is split between separate networks . In this way , VLANs can keep network applications separate despite being connected to the same physical network , and without requiring multiple sets of cabling and networking devices to be deployed . </P>
what layer of the osi model do vlans use
what layer of the osi model do vlans use
OSI layer 2
OSI layer 2