Basic Networking Articles

Browse our collection of basic networking articles

Basic NetworkingJanuary 27, 2022

What is reliability in networking?

I will provide the answers to these questions with examples in this post. Reliability is within a reasonable amount of time, which depends on the application type and architecture, delivering...

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Basic NetworkingJanuary 27, 2022

Be careful when you use STP and HSRP together!

In the networks, we don't have only single protocol. There are always many protocols and their interaction/synchronization is important. Otherwise, blackholes, routing or switching loops can occur or at least...

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Basic NetworkingJanuary 20, 2020

GPON vs. Traditional Ethernet Architecture

GPON (Gigabit Passive Optical Network) is used to reduce the number of active switching nodes in the network design. Network Design Best practice in Campus networks and many Datacenter networks...

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Basic NetworkingNovember 26, 2019

BFD is not a Fast Convergence mechanism!

BFD is not a fast convergence mechanism. BFD stands for Bidirectional Forwarding Detection. It is an important tool for the IP layer but there is a confusion in the network...

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Basic NetworkingNovember 26, 2019

What does P router mean in MPLS?

What does P router mean in MPLS ? It is used in MPLS VPN networks mostly but can be used with any MPLS application, use case. This is very important...

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Basic NetworkingNovember 26, 2019

LAG vs. ECMP discussion on real network deployments

We discussed LAG (Link Aggregation Group) and the ECMP (Equal Cost Multipath) on real network deployments with the Service Provider/Telco Engineer engineers on my slack group. I thought it was...

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Basic NetworkingNovember 26, 2019

What is Attachment Circuit in MPLS VPN ?

What is attachment circuit in MPLS VPN ? Definitions are important in networking, if there are alternative usages of the definition, better to know them all for effective communication. Figure...

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Basic NetworkingNovember 26, 2019

Is Fate Sharing bad thing in network design?

Fate sharing in networking - Is fate sharing bad thing in network design? Someone asked this question recently on my youtube channel and I want to share a post for...

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Basic NetworkingNovember 26, 2019

Datacenter Design: Shortest Path Bridging 802.1aq

IEEE 802.1aq Shortest Path Bridging (SPB) uses IS-IS as an underlying control plane mechanism that allows all the links in the topology to be active. In sum, it supports layer...

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Showing 61-69 of 69 articles