Layer 2 Tunneling Protocol is an Internet Engineering Task Force (IETF) standard tunneling protocol that is used to encapsulate Point-to-Point Protocol (PPP) frames for transmission over TCP/IP.

This article describes Layer 2 Switch, a form of Ethernet switch. How it operates and when to use it.

What is Lmhosts? What is it for? LMHOSTS is an ASCII file used to enable Domain Name Resolution under Windows Operating Systems when other methods, such as WINS, fail. LMHOSTS File Lmhosts...

Essentially, a Layer 4 Switch is a Layer 3 switch that is capable of examining layer 4 of each packet that it switches. In TCP/IP networking, this is equivalent to examining the Transmission Control...

Loopback is a testing procedure in telecommunications in which a test signal is sent from a service provider’s central office (CO) to the customer premises and is returned or echoed by the customer...

In TCP/IP networking, Loopback Address is the special IP address 127.0.0.1. The loopback address is used to route outgoing IP packets to the TCP/IP protocol stack bound to the network interface card...