September 2025

Protected: An Example Network From Scratch : Internet Access
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Protected: An Example Network from Scratch : Build the Wifi Network
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Protected: An Example Network From Scratch : Network Automation With Ansible
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Protected: An Example Network From Scratch : Build your Network Security
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Travailler Son CV
Le CV est une étape importante de toute recherche d’emploi, au moins pour initier le processus (répondre à une offre, candidature spontanée, etc.)… plus encore, c’est une occasion de se poser, de réfléchir son développement, son expérience et de se projeter dans une nouvelle opportunité! Une approche classique du CV Pour nombre de “demandeurs d’emploi”,...

BGP Session Keepalive And Hold Times

dexterd6 months ago3 weeks ago05 mins

In this post we’ll deep into the operation of BGP that is a Border Gateway protocol aimed at connecting (routing information exchange) autonomous system in contrast with IGP (Interior Gateway Protocols) that run into each autonomous system. Thus, we do not need to have detailed information about IGPs to exchange routing information… before this routing…...

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I-BGP Synchronization With IGP

dexterd6 months ago3 weeks ago16 mins

In this blog, we will discuss the I-BGP synchronization with IGP feature. A little introduction By definition, the BGP synchronization rule requires that when a BGP router receives information about a network from an I-BGP neighbor, it does not use this information until a matching route : static or dynamic : learned via an IGP…...

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Setup A Checkpoint Lab Using VirtualBox And GNS3 On Windows

luffyd6 months ago2 weeks ago06 mins

In this blog, we will setup a Checkpoint lab using virtualbox and gns3 on windows. Introduction In this lab we implement a basic security architecture to demonstrate the operation of a firewall cluster to protect our network. Our “security domain” is segmented into four zones: Security topology Our security topology is compound by two security…...

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Static Routing with Intermediate Address in Checkpoint Firewall

luffyd6 months ago3 weeks ago05 mins

In this blog, let’s study static routing with an intermediate address to resolve in a Checkpoint firewall. Introduction Static routing is supported by CKP (Checkpoint firewalls or gateways). Let’s recall that a static route defines a destination subnet or network and the way to reach it: the outgoing interface on the gateway, a connected nexthop…

Vlan Propagation And Cisco FabricPath

dexterd6 months ago3 weeks ago06 mins

In this post, we explore the operation of Cisco FabricPath (FP) and more specifically Vlan information propagation in this fabric in comparison with other platforms: Catalyst for example from the same vendor. Introduction The case is to learn how the switches that are part of the LAN network learn about and support Vlan operation: is…...

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At the Begining, … It Was not DMVPN!

dexterd6 months ago3 weeks ago06 mins

In this blog, let’s discover the DMVPN feature. DMVPN stands for dynamic multipoint virtual private network and as per its naming, refers to the ability for many routers to share the same network built on a Wan equivalent to being connected to the same Lan. Before we start Before we start a little refresh on…

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An anti-spam solution for my home network

How Speed Is My Ethernet Cable?

vPC Versus VSS Technology

Zabbix it!

Secure a Home Network Like a Hack!

Introduction to Blockchain Networking

D.A.T(er) comme un Professionnel, un Architecte… et Ergonome!

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

Radio Resource Management… in Enterprise Wireless Networks

Build a Mining Strategy From Scratch

BGP Session Keepalive And Hold Times

Free level Membership Required

I-BGP Synchronization With IGP

Free level Membership Required

Setup A Checkpoint Lab Using VirtualBox And GNS3 On Windows

Free level Membership Required

Static Routing with Intermediate Address in Checkpoint Firewall

Vlan Propagation And Cisco FabricPath

Free level Membership Required

At the Begining, … It Was not DMVPN!