A virtual local area network (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2)...

supports virtual local area networking (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a system of VLAN tagging for Ethernet frames and the...

Private VLAN, also known as port isolation, is a technique in computer networking where a VLAN contains switch ports that are restricted such that they...

VLAN hopping is a computer security exploit, a method of attacking networked resources on a virtual LAN (VLAN). The basic concept behind all VLAN hopping...

VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates the definition of Virtual Local Area Networks (VLAN) on the whole local area...

other similar devices to register and de-register attribute values, such as VLAN identifiers and multicast group membership across a large local area network...

of convenience, the term VLAN tag or just tag for short is often used in place of 802.1Q VLAN header. QinQ allows multiple VLAN tags in an Ethernet frame;...

different VLANs uses different links. Before the IEEE published a Spanning Tree Protocol standard for VLANs, a number of vendors who sold VLAN capable switches...

The VLAN Query Protocol (VQP) was developed by Cisco and allows end-devices on LANs to be authenticated via their MAC address and an appropriate VLAN attributed...

used as the basis of 802.1Q VLAN tagging, encapsulating packets from VLANs for transmission multiplexed with other VLAN traffic over an Ethernet trunk...

A VLAN Management Policy Server (VMPS) is a network switch that contains a mapping of device information to VLAN. The primary goal of VMPS is VLAN assignment...

eXtensible LAN (VXLAN) is a network virtualization technology that uses a VLAN-like encapsulation technique to encapsulate OSI layer 2 Ethernet frames within...

systems commonly used by police agencies. In the form of link aggregation and VLAN tagging, trunking has been applied in computer networking. A trunk line is...

single physical or logical connection to a network. It is a method of inter-VLAN routing where one router is connected to a switch via a single cable. The...

on a switch. VLANs divide broadcast domains in a LAN environment. Whenever hosts in one VLAN need to communicate with hosts in another VLAN, the traffic...

elements, such as firewalls and load balancers Networks, such as virtual LANs (VLANs) and containers such as virtual machines (VMs) Network storage devices Network...

via quality of service (QoS), and their ability to segregate traffic with VLANs. At the higher network layers, protocols such as NetBIOS, IPX/SPX, AppleTalk...

provides both simple and full connectivity assigned to any given virtual LAN (VLAN) throughout a bridged local area network. MSTP uses bridge protocol data...

trunking on a link between two VLAN-aware switches, and for negotiating the type of trunking encapsulation to be used. VLAN trunks formed using DTP may utilize...

A VLAN access control list (VACL) provides access control for all packets that are bridged within a VLAN or that are routed into or out of a VLAN. Unlike...

E_ports Cisco Inter-Switch Link (ISL) is a proprietary protocol that maintains VLAN information as traffic flows between switches and routers. This disambiguation...

Personal (PAN) Near-me Local (LAN) Storage (SAN) Wireless (WLAN) Virtual (VLAN) Home (HAN) Building Campus (CAN) Backbone Metropolitan (MAN) Municipal wireless...

is a 3-bit field that is present in an Ethernet frame header when 802.1Q VLAN tagging is present. The field specifies a priority value between 0 and 7...

802.1ad tag, if present, is a four-octet field that indicates virtual LAN (VLAN) membership and IEEE 802.1p priority. The first two octets of the tag are...

to send a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another switch port. This is commonly...

maintains VLAN information in Ethernet frames as traffic flows between switches and routers, or switches and switches. ISL is Cisco's VLAN encapsulation...

priority queue or other restrictions on a user's access L2TP parameters VLAN parameters Quality of Service (QoS) parameters When a client is configured...

bridging and routing, and is the application of link-state routing to the VLAN-aware customer-bridging problem. Routing bridges (RBridges) are compatible...

Hierarchical VLAN (HVLAN) is a proposed Ethernet standard that extends the use of enterprise Ethernet VLAN (802.1Q) to carrier networks. A number of developments...

is also used in other Cisco protocols such as Virtual Local Area Network (VLAN) Trunking Protocol (VTP). By default, CDP announcements are sent every 60...