TEK@link

Multicast Routing: PIM dense… Part 2/6
In this blog let’s study PIM dense multicast routing. Introduction This post is a part of a serie of posts that introduce the operation of multicast routing: We explore in this post, the operation of PIM multicast routing protocol in the by default operation mode PIM Dense mode. The idea is very simple: flood the...
Multicast Routing: A Step By Step… Part 1/6
In this post we review a basic multicast routing operation, step by step using output from routers console and traffic packet capture (using wireshark). Introduction This blog is a part of a serie of blogs about multicast routing: How does multicast work In IPv4, multicasting servers use class D range of addresses: 224.0.0.0-239.255.255.255. Some addresses...
ML-Optimized Beam-Based Radio Coverage Processing in IEEE 802.11 Wlan Networks
In this post, we present the work fully available under this link: ML-Optimized Beam-based Radio Coverage Processing in IEEE 802.11 WLAN Networks, about radio coverage processing in wlan and its optimization using machine learning (ML). Why dynamic RRM is important Dynamic Radio Resource Management (RRM) is a major building block of Wireless LAN Controllers (WLC)...
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...
How to SSL VPN to my Home Network
In this blog let’s try to connect to a home network from outside (internet) in a secure manner using SSL. NAT and PAT NAT and PAT is what allowed local IP addresses translation or mapping to some routable public IP address (over the internet). This mapping can be one to one (NAT) or many to...

Point-to-Point OSPF Network Operation over a LAN that Connects Multiple Routers

dexterd8 months ago3 months ago07 mins

In this blog, we’ll discuss the operation of OSPF dynamic routing protocol in a specific case where all participating routers share the same LAN Ethernet broadcast network and are configured as point-to-point OSPF network. Introduction In the first part, we present the lab setup and details the routers configuration. In the second part, we analyse…...

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

einsteind8 months ago3 months ago02 mins

In this post we present the work available at this link: Cognitive directional cost-based transmit power control in IEEE 802.11 WLAN, about the how to model the radio coverage area in enterprise Wlans. IEEE 802.11 Wlan networks are challenging IEEE 802.11 Wlan networks are constantly challenged for maximum overall service performance and new mobility applications:…

EIGRP Over a vNet Trunk

dexterd8 months ago3 months ago04 mins

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)…...

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Multicast Routing: A Step By Step… Part 1/6

dexterd7 months ago3 months ago05 mins

In this post we review a basic multicast routing operation, step by step using output from routers console and traffic packet capture (using wireshark). Introduction This blog is a part of a serie of blogs about multicast routing: How does multicast work In IPv4, multicasting servers use class D range of addresses: 224.0.0.0-239.255.255.255. Some addresses…...

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10 Security Measures Against 10 Attacks In A LAN Network

luffyd8 months ago3 months ago05 mins

In this blog, we discuss 10 security measures or controls that a LAN should have enabled. Introduction Before we present the 10 security measures to enable, let’s introduce the operation of a switch in a LAN network. Switches An Ethernet switch is the central element of a LAN network and operates at data link OSI…

IDS/IPS General Function

luffyd7 months ago3 months ago04 mins

In this blog, we talk about the general idea about using and IDS or IPS. let’s recall that IDS/IPS stands for intrusion detection and prevention systems. We give examples of implementations of vendors and leaders of the market. Scope of an IDS/IPS Let’s start from a basic setup: clients that try to access ressources on…

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TEK@link

TEK@link

Multicast Routing: PIM dense… Part 2/6

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

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

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

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

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

Multicast Routing: A Step By Step… Part 1/6

Routing From Scratch… Why Routing?

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

How Speed Is My Ethernet Cable?

Point-to-Point OSPF Network Operation over a LAN that Connects Multiple Routers

Free level Membership Required

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

EIGRP Over a vNet Trunk

Free level Membership Required

Multicast Routing: A Step By Step… Part 1/6

Free level Membership Required

10 Security Measures Against 10 Attacks In A LAN Network

IDS/IPS General Function