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L
Layer Two Tunneling Protocol (L2TP)An industry-standard Internet tunneling protocol that provides encapsulation for sending Point-to-Point Protocol (PPP) frames across packet-oriented media. For IP networks, L2TP traffic is sent as User Datagram Protocol (UDP) messages. In Microsoft operating systems, L2TP is used in conjunction with Internet Protocol security (IPSec) as a virtual private network (VPN) technology to provide remote access or router-to-router VPN connections. L2TP is described in RFC 2661.local area network (LAN)
A communications network connecting a group of computers, printers, and other devices located within a relatively limited area (for example, a building). A LAN enables any connected device to interact with any other on the network.See also NetBIOS Extended User Interface (NetBEUI).See also virtual local area network (VLAN).See also workgroup.local group
A security group that can be granted rights and permissions on only resources on the computer on which the group is created. Local groups can have any user accounts that are local to the computer as members, as well as users, groups, and computers from a domain to which the computer belongs.See also global group.
