What Is Link Layer Discovery Protocol – LLDP? Link Layer Discovery Protocol (LLDP) is a generic network protocol defined by the IEEE 802.1AB standard. Its main function is to enable network devices such as switches, routers, and wireless access points to discover information about each other. This operation happens at the data link layer (Layer 2) of the… Read More »
What is Open Shortest Path First – OSPF? OSPF, which stands for Open Shortest Path First, is a routing protocol that was created in 1991. It is a link-state protocol, which means that it builds a map of the network topology and calculates the shortest path between any two nodes. OSPFv2 is the newer version of OSPF for… Read More »
What is EIGRP ? EIGRP is a Cisco proprietary routing protocol modified from the original IGRP (Interior Routing Protocol). EIGRP is an advanced distance-vector routing protocol, it can only be used in an all-Cisco network, but EIGRP more than makes up for this deficiency by being easy to configure, fast, and reliable. Like the Routing Information Protocol (… Read More »
Routing is the process of taking a packet from one network device and sending it through the network to another device on a different network. Communications across the Internet is one of the best examples of routing. The connection of WANs and LANs to a network router and configuring it with logical network addresses (IP addresses) to all… Read More »
What Is Challenge Handshake Authentication Protocol (CHAP)? Challenge Handshake Authentication Protocol (CHAP) is a protocol used in network security for the validation of a user’s identity.It is primarily used to authenticate a user or a network host to an authenticating entity, such as a server.CHAP is commonly used in Point-to-Point Protocol (PPP) connections, which are often found in… Read More »
