Up to 40% Discount on selected courses!
Big Discount! Just for limited time!
Offer will end in

Blog

Share on facebook
Facebook
Share on twitter
Twitter
Share on linkedin
LinkedIn
Multicast

Multicast PIM Dense Mode vs PIM Sparse Mode

Multicast PIM Dense mode vs PIM Sparse mode is one of the most important things for every Network Engineer who deploys IP Multicast on their …

Read More →
Broadband

How Does Satellite Internet Work?

The orbiting satellite transmits and receives its information to a location on Earth called the Network Operations Center (NOC). NOC is connected to the Internet so …

Read More →
BGP

BGP RTBH – Remotely Triggered Blackholing

BGP RTBH – Remotely triggered blackholing is used for DDOS prevention for a long time by many companies. DDOS – Distributed Denial of Service Attacks …

Read More →
BGP

BGP-LS BGP Link State – What is it? Why BGP LS is used?

BGP LS, BGP Link-State is used to distribute Link state information and traffic engineering attributes from the network nodes to the Centralized TE controller. RSVP-TE has …

Read More →
CCIE Service Provider

CCIE Service Provider v5.0 What, Why, When?

In this post, we will look at what is CCIE Service Provider v5.0, what comes with it, which technologies we need to learn, what is …

Read More →
CCIE Enterprise Infrastructure

Orhan Ergun CCIE Enterprise Infrastructure Course Review 1

I see some people have been asking what other people are thinking about Orhan Ergun’s CCIE Enterprise course, thus starting today to share what other …

Read More →
Best Practices in Network Design

Why Core or Backbone is used in Networking?

Why Core or Backbone is used in Networking?. Before we start explaining this question, let’s note that these two terms are used interchangeably. Usually, Service …

Read More →
Multicast

Multicast BIER – Bit Indexed Explicit Replication

Multicast BIER – RFC8279 Bit Index Explicit Replication – BIER is an architecture that provides optimal multicast forwarding through a “BIER domain” without requiring intermediate …

Read More →
CCIE Service Provider

What is NFV – Network Function Virtualization

Network Functions Virtualization (NFV) was founded by the European Telecommunication Standard Institute (ETSI) with Industry Specification Group (ISG) which contains seven of the world’s leading …

Read More →
BGP

Bilateral Peering and Multilateral Peering

Bilateral Peering is when two networks negotiate with each other and establish a direct BGP peering session. In one of the previous posts, Settlement Free …

Read More →
Basic Networking

What is CDN – Content Delivery Networks?

Content Delivery Network companies replicate content caches close to a large user population. They don’t provide Internet access or transit service to the customers or …

Read More →
Announcements

What are New in Cisco CCDE v3 Exam?

Currently, in 2022, the CCDE exam version is version 3. There are many new changes in CCDE v3 compared to CCDE v2 and in this …

Read More →
BGP

BGP Allowas-in feature Explained in 2022

BGP Allowas-in feature needs to be understood well in order to understand the BGP loop prevention behavior, But also, why the BGP Allowas-in configuration might …

Read More →
BGP

BGP AS Override Feature Explained in 2022

BGP AS Override needs to be understood well in order to understand the BGP loop prevention behavior, But why BGP AS Override might create a …

Read More →
BGP

BGP Route Reflector vs Confederation

BGP Route Reflector – RR vs Confederation is one of the first things Network Engineers would like to understand when they learn both of these …

Read More →
BGP

BGP vs EIGRP 10 Important differences between them!

In this post, we will compare BGP and EIGRP. We will look at some of the important aspects when we compare BGP vs EIGRP. Although …

Read More →
Uncategorized

AWS SAA vs. CLF – Can I skip one?

AWS are known for their famous highly demanded Solutions Architect Associate (SAA) Certificate, and many thinks that it is the first step with AWS and …

Read More →
OSPF

OSPF Administrative Distance – How preferred is it

OSPF Administrative Distance, or OSPF AD, is the key of electing OSPF among other routing protocols (if existed) leading to the same target within the …

Read More →
DMVPN

DMVPN vs MPLS VPN

DMVPN – Dynamic Multipoint VPN and MPLS VPN are two of the most popular VPN mechanisms. In this post, we will look at DMVPN vs …

Read More →
IGP

IS-IS Routing Ptrotocol

IS-IS is a link-state routing protocol, similar to OSPF. If you are looking for Service Provider grade, MPLS Traffic Engineering support, and extendible routing protocol …

Read More →