At its core, Cisco Identity Services Engine (ISE) is a type of Network Access Control Solution that uses policy-based decision making to determine if a device is allowed access to the network and, if allowed, what level of access this device is given. Cisco ISE is a complex and feature packed Security Application that controls […]
Readers Favorite Posts – Articles Liked by our Visitors
The following articles have been embraced by our readers because they offer valuable information about various networking topics: 1) Basic Cisco Router Configuration Step-By-Step This article discusses the 7 most important and most basic steps to follow for configuring any Cisco Router. Specifically, you will learn the following: Configure Access Passwords. Configure a Hostname. Configure […]
Cisco IOS Command Line Interface (CLI) Keyboard Shortcuts
Learning to configure your Cisco devices from the Command Line Interface (CLI) is an essential step towards your Cisco networking career. This means that you need to learn how to configure the Cisco IOS operating system which runs on routers, switches and other network devices. Acquiring this hands-on experience with the Cisco IOS CLI will […]
Where to Buy Refurbished & Used Cisco Equipment (Switches, Routers etc)
Cisco devices are very reliable. I remember one day I run the command “show version” on a Cisco switch and showed me an uptime of around 8 years!! That switch was up and running for 8 years in a row without failing or being rebooted even a single time! There are thousands of Cisco devices […]
How to Configure IPv6 Address on Cisco Routers with Example
IP version 6 (IPv6) is the new version of the Internet Protocol (IP), intended to replace the older IPv4 which is still employed on the vast majority of Internet hosts. IPv6 increases the IP address size from 32 bits to 128 bits to support a much greater number of addressable hosts. IPv4 can support 232 […]
The Basics and Application of Cisco Packet tracer – a Guide for Beginners
Network systems are continually evolving – getting complex and innovative. To make students familiar with them, new educational tools and updated curriculum is emerging all the time. Today, there are many simulation tools available that can be used to learn networking, and they have made the life of both teachers and students, very easy. In […]
Cisco VRF Lite Configuration Tutorial with Step-by-Step Example
In the previous post, we have discussed about isolating traffic using the private VLAN feature at Layer2 level. In this tutorial, we will discuss traffic isolation at Layer3 level using VRF Lite on Cisco routers. What is VRF Lite VRFs employ essentially the same concept as VLANs and Trunking, but at Layer 3. VRF (Virtual […]
All about the Cisco Reload Command – How to Schedule a Cisco Reload
The Cisco “reload” command is used on almost all IOS Cisco networking devices (routers, switches etc) to restart (or reboot) the appliance. This command might seem very basic but it has some interesting practical applications that we will see later in this article. Basic Command Usage As we have said above, the basic usage of this […]
What will happen to Internet Traffic by 2020 – Some Statistics
On June 7, 2016, Cisco released the “Cisco Visual Networking Index™ (VNI) Complete Forecast for 2015 to 2020” where several notable internet traffic statistics are predicted by the networking giant. I have summarized the forecast document and presenting you below the most important stats and predictions about Internet traffic, Internet usage etc: Global IP traffic […]
How to Configure Cisco SPAN – RSPAN – ERSPAN (With Configuration Commands)
Having visibility in the traffic flowing through your network from specific hosts is an excellent way to troubleshoot problems or gather useful information and data. Cisco switches offer the capability to copy packets from specific ports or VLANs and send them to other ports for capturing and analyzing. The traffic can be captured and analyzed […]
Configuring Cisco IP SLA (IP Service Level Agreement Tutorial)
Getting back to the basics! Sometimes less is more and with this simple IOS IP SLA configuration tutorial this is true. Cisco IOS IP SLA (Service Level Agreement) is a tool that can be used to generate synthetic network traffic used for network management. SLA can be configured to send TCP connects, ICMP or even […]
Cisco Packet Tracer Version 5.3
The Cisco Packet Tracer is a tool for learning and simulating networks interactively for instructors and students of Cisco CCNA. This e-learning software is offered as part of the Cisco Networking Academy. This tool allows users to create network topologies, configure devices, inject packets, and simulate a network with multiple visual representations. Packet Tracer focuses […]
Cisco Vs Juniper
I have found the following article at pcworld.com and thought about sharing with you. Its a good overall comparison between Cisco and Juniper, the two biggest players in the networking arena. It’s been an ongoing debate for much of the last 14 years – Cisco or Juniper? Increasingly, that argument will hinge on which router […]