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vendor class
An administrative feature that allows DHCP clients to be identified and leased according to their vendor and hardware configuration type. For example, assigning a vendor class of HP to a printer vendor such as Hewlett-Packard would allow all Hewlett-Packard printers to be managed as a single unit so they could all obtain a similar DHCP leased configuration.See also Dynamic Host Configuration Protocol (DHCP).See also lease.
virtual local area network (VLAN)
A logical grouping of hosts on one or more local area networks (LANs) that allows communication to occur between hosts as if they were on the same physical LAN.See also local area network (LAN).
virtual private network (VPN)
The extension of a private network that encompasses encapsulated, encrypted, and authenticated links across shared or public networks. VPN connections typically provide remote access and router-to-router connections to private networks over the Internet.See also authentication.See also encryption.See also tunnel.
virtual server
In a server cluster, a collection of services that appear to clients as a physical Windows-based server but are not associated with a specific server. A virtual server is typically a resource group that contains all of the resources needed to run a particular application and that can be failed over like any other resource group. All virtual servers must include a Network Name resource and an IP Address resource.See also failover.See also server cluster.
