V
Vertical Cavity Surface Emitting Laser (VCSEL)

A low-cost laser used for gigabit transmission across multimode fiber.

Virtual Channel Identifier (VCI)

An identifier for an ATM virtual channel. VCIs appear in ATM cell headers.

virtual LAN (VLAN)

A group of systems (such as the computers in a workgroup) that need to communicate with one another, and protocols that restrict the delivery of virtual LAN frames to members of the VLAN.

Virtual Path Identifier (VPI)

An identifier for an ATM virtual path. VPIs appear in ATM cell headers.

VLAN-aware switch

A switch that is capable of participating in VLAN protocols. Also called a VLAN switch.

VLAN trunk

A link that carries traffic between a pair of VLAN switches. It ...

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