TEK@link

Is It Sufficient RIP Split-Horizon Rule To Prevent Routing Loops?
Introduction Dynamic routing protocols exchange routing information before populating routing tables and forwarding packets. For this task, RIP (routing information protocol) put into play many machanisms and rules to guarantee that this routing information exchange is consistent: not contradictory among routers. An example of such inconsistency is to receive the same routing information on two...
vPC Versus VSS Technology
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...
Build a Mining Strategy From Scratch
In this blog’s, let’s discuss a “winning” strategy to start mining. Introduction First of all by definition mining is the technique by which you help build the blockchain. let’s imagine that the blockchain in this scheme is like a “big” distributed computer made of all miners computers. the central intelligence of this computer allows the...
Routing From Scratch… Why Routing?
Introduction In this series of posts we’ll explore routing operation. Let’s start from the general idea of how could we manage traffic, a move from one location to another… ” This person needs to go back home at the evening! ” means that there’s a one way in return route to and from its office....
VPNv4 BGP AS-Override Feature Into Play!
Let’s put into play AS-Override feature in BGP: see when it applies and how it works. Introduction First, AS-Override feature applies to sites that have the same AS number but are linked by another different domain with different AS number, as in the next figure. In our example AS number 1 has neighborship (E-BGP links)...

Multicast Routing: Hold ASM For A Moment, Let’s Do SSM!… Part 4/6

dexterd10 months ago6 months ago06 mins

In this blog, we introduce SSM way of multicasting. Introduction and definitions This post is a part of a serie of post about Multicast operation from the most basic setup to a much complicated one (scenario that include more routing and receiving options, etc.). We will explore the operation of SSM (Source Specific Multicast) in…...

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What Is the Best Way of Subnetting?

dexterd11 months ago6 months ago05 mins

In this post, let’s recall what is subnetting for routing and switching purposes and how it is done. Motivation Network subnetting is very important subject that maybe referred to as VLSM for variable length subnetting. The basic idea is about managing a space of IP addresses (IPv4). Historically, a network length or space was fixed…...

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WAFing… A Grasp Of Web Application Firewalling

luffyd10 months ago6 months ago06 mins

Introduction Dans cet article nous discutons de la fonction de base d’un WAF ou pare-feu d’applications web. Comme son nom l’indique il s’agit de sécuriser l’application, plus précisemment l’accès à cette application, et ne se préoccupe pas nécessairement d’autres aspects sécuritaires : réseau, d’autres applicatifs (niveau 7 OSI) ou de transport (niveau 4 et 5…

Understand Rip Routing Timers All in One Shot!

dexterd11 months ago6 months ago04 mins

This post is part of a series of posts about dynamic routing protocols and especially RIP. We’ll try to get a deep understanding of its operation and function as an introductory to dynamic routing logic in general. You’ll see that what we think easy may hide an incrementing complexity… A little introduction Before we start…

Is It Sufficient RIP Split-Horizon Rule To Prevent Routing Loops?

dexterd10 months ago6 months ago05 mins

Introduction Dynamic routing protocols exchange routing information before populating routing tables and forwarding packets. For this task, RIP (routing information protocol) put into play many machanisms and rules to guarantee that this routing information exchange is consistent: not contradictory among routers. An example of such inconsistency is to receive the same routing information on two…

SD-WAN Big Picture!

dexterd11 months ago6 months ago09 mins

Dans ce blog, nous discuterons du SD-WAN pour essayer de comprendre son enjeu et avantage pour l’entreprise. Nous commençons par explorer l’offre du marché, définir la technologie et son principe de base, du besoin de son usage et scénarios, avant de discuter de son architecture, implémentation et troubleshooting de son opération. Marché (offres du) Incontestablement…...

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TEK@link

TEK@link

What Is the Best Way of Subnetting?

On-boarding Catalyst 9k to the Meraki Dashboard

La dRRM Du WiFi… En Action!

Travailler Son CV

Cisco HSRP In Detail

A Novel Beamforming Based Model of Coverage and Transmission Costing in Ieee 802.11 Wlan Networks

Vlan Propagation And Cisco FabricPath

Routing From Scratch… If It’s Necessary, How To Route?

ML-Optimized Beam-Based Radio Coverage Processing in IEEE 802.11 Wlan Networks

At the Begining, … It Was not DMVPN!

Multicast Routing: Hold ASM For A Moment, Let’s Do SSM!… Part 4/6

Free level Membership Required

What Is the Best Way of Subnetting?

Free level Membership Required

WAFing… A Grasp Of Web Application Firewalling

Understand Rip Routing Timers All in One Shot!

Is It Sufficient RIP Split-Horizon Rule To Prevent Routing Loops?

SD-WAN Big Picture!

Free level Membership Required