TEK@link

Cisco HSRP In Detail
In this blog, we’ll discuss in detail the operation of HSRP one of the most known FHRP (First Hop Routing Protocols) protocols proposed by Cisco to help secure (in terms of redundancy) the gateway (for hosts or servers) within a LAN. The objective is simple: configure one gateway address and provision as many real routers...
EIGRP Over a vNet Trunk
In this blog, we’ll explore the operation of IGP interior routing protocol EIGRP over vNET trunks (another way to say networking trunking similar to vlan trunks used in L2 network by switches to trunks multiple traffics from different vlans into the same physical link) Little introduction New IOS release 15.x introduced Easy Virtual Network (EVN)...
Static Routing with Intermediate Address in Checkpoint Firewall
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...
Introduction to Blockchain Networking
Let’s discover in this blog the world of blockchain the technology that today allows peer to peer “trading” using crypto currency, to make it simple like a starter… Introduction Blockchain is a chain of blocks that are pieces of data, database, registers, books, or list of records (of transactions). Those registers are chained, linked to...
Vlan Propagation And Cisco FabricPath
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...

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

einsteind5 months ago4 months ago03 mins

In this post, we present the work on radio coverage in Wlans, accessible at this address: A novel beamforming based model of coverage and transmission costing in IEEE 802.11 WLAN networks, about how to modalized the radio area coverage to enhance costing of the transmission opportunity in such networks. What this work is about The…...

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What WPA suite for your secured Wifi?

luffyd3 months ago3 months ago03 mins

In this article we will discuss the use of WPA in a secured wifi context. A little introduction WPA stands for Wifi Portected Access. By protected access, the protocol define the way by which your device will authenticate to the wifi access point to be allowed to associate with this access point and futher, access…

When RIP Advertises Dynamically Learnt Routes

dexterd9 months ago4 months ago05 mins

This post is a part of series of posts about RIP dynamic routing protocol. Here we deepen our understanding on how RIP protocol advertises learnt RIP routes. A simple case is where a route is in the middle of this update process dans got a better route than RIP. Introduction Let’s recall first that RIP…

What Is the Best Way of Subnetting?

dexterd9 months ago4 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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How to build an .EXE for your Py Script

dexterd3 months ago3 months ago34 mins

In this blog, let’s see how we can build an exe file from our py (python) script. Motivation Why it is interesting to build an exe for our py script? poratability, ease of execution, etc. are some reasons why to do so. Instead of opening the IDE, loading the script, run it, an exe file…...

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Introduction to Blockchain Networking

dexterd4 months ago4 months ago013 mins

Let’s discover in this blog the world of blockchain the technology that today allows peer to peer “trading” using crypto currency, to make it simple like a starter… Introduction Blockchain is a chain of blocks that are pieces of data, database, registers, books, or list of records (of transactions). Those registers are chained, linked to…...

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TEK@link

TEK@link

Cognitive Directional Cost-Based Transmit Power Control in Ieee 802.11 Wlan

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

Bézier Curves-Based Novel Out-Of-Path Beamforming Calibration Technique in IEEE 802.11 Wlan Networks

How to build an .EXE for your Py Script

DNS Protection Using Cisco Meraki MX Integration With Umbrella

Multicast Routing: PIM dense… Part 2/6

How to SSL VPN to my Home Network

Understand Rip Routing Timers All in One Shot!

10 Security Measures Against 10 Attacks In A LAN Network

VPNv4 BGP AS-Override Feature Into Play!

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

Free level Membership Required

What WPA suite for your secured Wifi?

When RIP Advertises Dynamically Learnt Routes

What Is the Best Way of Subnetting?

Free level Membership Required

How to build an .EXE for your Py Script

Free level Membership Required

Introduction to Blockchain Networking

Paid one time Membership Required