Tools, Tips and Reviews for Network Engineers
Network Routing Protocols – IGRP, EIGRP, OSPF, ISIS, BGP By Shaun Hummel Overview The purpose of routing protocols is to learn of available routes that exist on the enterprise network, build routing tables and make routing decisions. Some of the most common routing protocols include RIP, IGRP, EIGRP, OSPF, IS-IS and BGP. There are two [...]
In this lesson we expand our virtual network that we’ve built using GNS3. We examine our current network that consists of two emulated Cisco 2621 routers. We then add a third Cisco 2621 router to our virtual network. We review some topics from the previous lesson and expand on the use of GNS3 to add [...]
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GNS3 is a routing simulator and allows you to simulate Cisco routers, switches and firewalls as well as simulate Juniper routers too. In this post we are going to download and install GNS3. To begin we need to download the software – a simple Google search takes us to http://www.gns3.net/download to be able to download [...]
Router Simulators are a great way to create and test new network topologies without the expense of lots of hardware. Many people use router simulators to help them practice and study for upcoming certification tests and many people are able to pass these certifications because of the convenience of a router simulator. GNS3 is one [...]
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