What Is a VLAN? VLAN (Virtual Local Network) is a logically separate IP subnetwork that allows multiple IP networks and subnets to exist on the same-switched network. VLAN is a logical broadcast domain that can span multiple physical LAN segments. It is a modern way administrators configure switches into virtual local-area networks (VLANs) to improve network performance by… Read More »
What Is IP Address Wildcards? An IP address wildcard is a method used in network configurations to specify a range of IP addresses. CIDR (Classless Inter-Domain Routing) is a method for allocating IP addresses and routing Internet Protocol packets. It was introduced in the early 1990s as a replacement for the traditional class-based IP addressing scheme, with the… 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 »
What are IP Routing Protocols? A routing protocol is a set of rule(s) or standards that determines how routers on a network communicate and exchange information with each other, enabling them to select the best routes to a remote network. Each router has priority knowledge only of networks attached to it directly. Routers running routing protocol share this… Read More »
What are Reflexive ACLs? Reflexive ACLS also known as IP-Session-Filtering ACLs is used to allow traffic sessions from a source network while denying IP traffic for sessions coming from outside the network. It allows a network administrator to dynamically enable a network filtering router to manage session traffic. The router examines the outbound traffic and when it sees… Read More »
