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Articles That Might Interest:
Dynamic Multipoint VPN (DMVPN) Deployment Models…
Following our successful article Understanding Cisco Dynamic Multipoint VPN - DMVPN, mGRE, NHRP, which serves as a brief introduction to the DMVPN concept and technologies used to achieve the flexibi…
Dynamic VLANs
Dynamic VLANs were introduced to grant the flexibility and complexity(!) that Static VLANs did not provide. Dynamic VLANs are quite rare because of their requirements and initial administrative overh…
Configuring NTP on a Cisco Router (NTP Client and…
Network Time Protocol (NTP) is a vital service not only for Cisco devices but almost every network device. Any computer-based device needs to be accurately synchronised with a reliable time source su…
TCP Header Anaylsis - Section 1: TCP Source & Des…
This section contains one of the most well-known fields in the TCP header, the Source and Destination port numbers. These fields are used to specify the application or services offered on local or re…
Configuring PPTP (VPDN) Server On A Cisco Router
The Point to Point Tunneling Protocol (PPTP) is a network protocol used to create VPN tunnels between public networks. These VPN tunnels are encrypted from one end to the other and allow the secure t…
Introduction To Routers
Welcome to the Routers section. Here we will analyse routers quite some depth; what they do and how they work. We must point out that knowlege on the OSI model is recommended, plus understanding of h…
Web Application Vulnerabilities – Benefits of Aut…
This article examines the differences between logical and technical web application vulnerabilities which tends to be a very confusing topic especially for web application developers and security – p…
How To Secure Your Cisco Router Using Cisco AutoS…
In today’s complex network environments securing your network routers can be a daunting task, especially when there are so many CLI commands and parameters with different security implications for yo…
How to View Hidden Files and Folders In Windows 8…
Windows 8 & 8.1 hides two types of files so that normally, you do not see them while exploring your computer. The first type is the files or folders with their 'H' attribute set to make them hidd…
Multicast - Understand How IP Multicast Works
Multicast is a communication method used in computer networking where data is sent from a single sender to a group of destination devices. In this method, the sender sends the data packet to a speci…
Cisco Aironet 1242AG /1240 - Multiple SSID & 80…
This article explains how the Cisco 1240 series access point can be setup to provide support for multiple SSID, each SSID assigned to a separate VLAN. This type of configuration is id…
How and Why You Should Verify IOS Images On Cisco…
Chances are we’ve all needed to upgrade our Cisco’s device IOS software at some point. While upgrading the IOS software on a Cisco device is considered to be a fairly simple process, it can turn out…
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