TEK@link

Bézier Curves Based Novel Calibration Technique of Beamformers in Ieee 802.11 Wlan Networks
In this post, we present the work entirely accessible at link: Bézier Curves Based Novel Calibration Technique of Beamformers in IEEE 802.11 WLAN Networks, about a new way of doing beamforming in the wlan unified (WLC-based) network. Let’s recall that beamforming is the mean by which an access point (AP) concentrate the electromagnetic energy toward...
Zabbix it!
In this blog let’s discover the world of Zabbix… Introduction Zabbix is a free infrastructure monitoring tool that collects and displays measurements about networks, servers, machines, business services, containers, cloud infrastructure, IoT, websites, applications and other services. In this blog, let’s explore in depth the world of Zabbix : what we can do with it?...
When A Gateway Says: “Not A Good Gateway… Set Redirection!”
In this blog, we discuss when a gateway decides that it’s not a good gateway any more and proposes a new gateway to the host by setting redirection. Introduction We explore how a gateway (a router) present in a LAN handles routing to the outside of this network and uses redirection to enhance this operation....
How Speed Is My Ethernet Cable?
In this blog, let’s discover how ethernet cabling helps improve the speed over individual copper wires. Introduction In this post we talk about Ethernet cabling, especially the one to achieve a speed of 1 gig bit per second. 4 elements are discussed : its operation as per the standard, awg metric, pinout and twist of...
D.A.T(er) Comme Un Professionnel, Un Architecte…
Dans ce blog, je présente ce travail sur le DAT ou Dossier d’architecture technique d’un point de vue d’un architecte réseau et services (sécurité, qualité de service, gestion d’infrastructure). Le lien vers le travail complet est: D.A.T(er) comme un professionnel, un Architecte… Le DAT… Le dossier d’architecture technique ou DAT s’inscrit en amont dans le...

From Router Configuration File to Excel Sheet… A Basic How to Automate Configuration Work Process!

mehdi6 months ago1 month ago08 mins

Dans cet article, nous automatisons le traitement des fichiers de configuration des routeurs Cisco dans un classeur Excel. Introduction Comment récupérer une certaine information d’un fichier de configuration (routeur IOS de Cisco par exemple) et la mettre dans un fichier Excel en vue d’un traitement plus avancé. Ce traitement peut être simplement de comparer cette…...

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Multicast Routing: RPF… Part 6/6

dexterd6 months ago1 month ago05 mins

In this blog, we study RPF operation. Introduction This blog is a part of a serie of blogs about multicast routing: Test network In our test network RPF in action At R2 A “show ip interface brief” shows Digging into the interface tunnel0 details The tunnel was created by PIM process to join the RP…...

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Understand How Aruba ARMizes Your WLAN For Sure!

dexterd6 months ago1 month ago05 mins

Presenting ARM In this post, that is a part of a serie of post that discuss how Wlan to radio ressources management, we talk of Aruba way of doing it. The figure shows a simple wlan network of 6 AP or access points. This is heatmap showing that radio signal is very strong (in red)…...

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What Study Path and Experience to be a Cyber-Security Professional

luffyd4 days ago4 days ago05 mins

Let’s discover in this blog the recommended study path and experience to fulfill the requirement for a position as a cybersecurity expert of consultant. What is Cybersecurity in general Per Cisco definition, Cybersecurity is “the practice of protecting systems, networks, data and programs from digital attacks”. The scope may include: identification of attacks, protections of…...

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vPC Versus VSS Technology

dexterd1 month ago1 month ago05 mins

Dans ce blog, nous discutons vPV et VSS. Introduction Si l’objectif “historique” est le même : s’affranchir de la limitation de STP (blocage de ports pour prévenir les boucles), de l’usage des FHRP (HSRP, VRRP) pour équilibrer les liens, d’augmenter les performances en débit et capacité de calcul, d’éliminer les SPOF liés à l’utilisation d’un…...

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RIP Time(r)s, Let’s Understand The Flush Operation

dexterd6 months ago1 month ago16 mins

RIP is Routing Information Protocol, one of the IGP or Interior Gateway Porotocols called also a vector-based routing protocol in contrast with link-state, hybrid or path-based protocols. The function of this protocol is very simple, send updates about known networks through local interfaces enabled for this sending… In this lab we use a standard version…

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TEK@link

TEK@link

Protected: A Network From Scratch… Build The Backbone

A Nurbs Based Technique for an Optimized Transmit Opportunity Map Processing in Wlan Networks

How Speed Is My Ethernet Cable?

D.A.T(er) Comme Un Professionnel, Un Architecte…

Understand How Aruba ARMizes Your WLAN For Sure!

Let’s Find Out About (Static) MPLS… From The Start!

What Is the Best Way of Subnetting?

How Is It Nat-Friendly Your Transit Network?

How to SSL VPN to my Home Network

An IPv6 Home Network Is Possible

From Router Configuration File to Excel Sheet… A Basic How to Automate Configuration Work Process!

Paid one time Membership Required

Multicast Routing: RPF… Part 6/6

Free level Membership Required

Understand How Aruba ARMizes Your WLAN For Sure!

Free level Membership Required

What Study Path and Experience to be a Cyber-Security Professional

Free level Membership Required

vPC Versus VSS Technology

Free level Membership Required

RIP Time(r)s, Let’s Understand The Flush Operation