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Category Archives for "Networking"

Infrastructure 3. Deploying High Performance Pure Virtual Linux Router – 6WIND

Hello my friend,

Network Function Virtualisation (NFV) is not a new topic. There are numerous blogpost and articles, even in our blog, which review this topic. Yet, there is much more we can cover. Today we’ll share some insights on one of the very interesting products existing on the market today: 6WIND vRouter Turbo Router. We have a limited amount of days to write a few articles under our evaluation license. Hence, we’ll focus only on the most critical elements.


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Is Linux Suitable for Automation?

It absolutely is. In fact, Linux is the real home for automation systems, as in many cases it hosts the tools you create in Ansible, Python, Bash, Go or any other language. At the same time, in order to effectively work with Linux, you need to know how to automate management and operation of Linux operating system itself. And you will be absolutely capable to do that, once you attend our Continue reading

Worth Reading: Network Validation Evolution at Hostinger

Network validation is becoming another overhyped buzzword with many opinionated pundits talking about it and few environments using it in practice (why am I not surprised?)

As always, there are exceptions. They don’t have to be members of the FAANG club, and some of them get the job done with open-source tools regardless of what vendor marketers would like you to believe. For example, Donatas Abraitis described how the Hostinger networking team gradually implemented network validation using Cumulus VX, Vagrant, SuzieQ, PyTest and Test Kitchen. Enjoy!

Worth Reading: Network Validation Evolution at Hostinger

Network validation is becoming another overhyped buzzword with many opinionated pundits talking about it and few environments using it in practice (why am I not surprised?)

As always, there are exceptions. They don’t have to be members of the FAANG club, and some of them get the job done with open-source tools regardless of what vendor marketers would like you to believe. For example, Donatas Abraitis described how the Hostinger networking team gradually implemented network validation using Cumulus VX, Vagrant, SuzieQ, PyTest and Test Kitchen. Enjoy!

Heavy Networking 603: Network Apps For Smarter Network Ops With Nokia (Sponsored)

What would you build if you could treat your network infrastructure programmatically? That’s what we’re going to consider in today’s sponsored Heavy Networking episode with Nokia. Nokia’s SR-Linux is infrastructure-as-code friendly, and their NetOps Development Kit allows you to think of the network as data models and build all kinds of useful tools. Our guest is Bruce Wallis, Senior Director of Product Management in Data Center Switching at Nokia.

The post Heavy Networking 603: Network Apps For Smarter Network Ops With Nokia (Sponsored) appeared first on Packet Pushers.

Heavy Networking 603: Network Apps For Smarter Network Ops With Nokia (Sponsored)

What would you build if you could treat your network infrastructure programmatically? That’s what we’re going to consider in today’s sponsored Heavy Networking episode with Nokia. Nokia’s SR-Linux is infrastructure-as-code friendly, and their NetOps Development Kit allows you to think of the network as data models and build all kinds of useful tools. Our guest is Bruce Wallis, Senior Director of Product Management in Data Center Switching at Nokia.

Create a Monitoring Subnet in Microsoft Azure to Feed a Security Stack

Andy Idsinga Andy Idsinga is a Cloud Engineering Manager and senior Cloud Solutions Architect at cPacket Networks. Andy has been a software engineer and architect since 1994 at Symantec, Intel and other technology companies. He’s worked on firmware for smart watches, RFID transceiver chipsets, and led a team in developing a new smart bracelet as part of Intel’s internal startup incubator. He lives in Portland, OR. The 2021 Verizon

Amazing New Networking Products For 2021

The pandemic may have disrupted the global business world but it has also given birth to a lot of new technological innovations. With majority of people all around the world working from home, new and innovative networking products were needed to facilitate the new normal working environment.

We have gathered a list of some of the most amazing networking products for 2021.

Alkira Cloud Services Exchange

Alkira Cloud Services Exchange is a new cloud computing service Alkira that allows for the cost-effective and scalable deployment of applications in the cloud. It provides a network infrastructure which includes data centers, storage, servers, racks, power and internet connections to customers at a fraction of what it would cost to build such infrastructure from scratch. This service provides scalable deployments based on customer’s needs. So far it has been deployed by many companies with very high success rates.

Aruba 630 Series Wi-Fi 6E

Aruba 630 Series Wi-Fi 6E is the next generation of Wi-Fi. It delivers up to 4 times the performance and twice the coverage of the previous generation. It also has a higher density of active clients and endpoints with greater throughput.

The Aruba 630 Series is well suited for dense, Continue reading

Fast Friday Thoughts From Security Field Day

It’s a busy week for me thanks to Security Field Day but I didn’t want to leave you without some thoughts that have popped up this week from the discussions we’ve been having. Security is one of those topics that creates a lot of thought-provoking ideas and makes you seriously wonder if you’re doing it right all the time.

  • Never underestimate the value of having plumbing that connects all your systems. You may look at a solution and think to yourself “All this does is aggregate data from other sources”. Which raises the question: How do you do it now? Sure, antivirus fires alerts like a car alarm. But when you get breached and find out that those alerts caught it weeks ago you’re going to wish you had a better idea of what was going on. You need a way to send that data somewhere to be dealt with and cataloged properly. This is one of the biggest reasons why machine learning is being applied to the massive amount of data we gather in security. Having an algorithm working to find the important pieces means you don’t miss things that are important to you.
  • Not every solution is going Continue reading

Progressive Delivery on OpenShift

Hai Huang Hai is a research scientist at IBM T. J. Watson Research Center. He is a contributing member of Kubernetes, Istio, Iter8 and TPM. We are accustomed to having high expectations of our apps. We want a constant stream of new features and bug fixes, and yet, we don’t want these updates to affect our user experience adversely. As a result, these expectations put a tremendous amount of pressure on developers. This is where

Cloudflare for SaaS for All, now Generally Available!

Cloudflare for SaaS for All, now Generally Available!
Cloudflare for SaaS for All, now Generally Available!

During Developer Week a few months ago, we opened up the Beta for Cloudflare for SaaS: a one-stop shop for SaaS providers looking to provide fast load times, unparalleled redundancy, and the strongest security to their customers.

Since then, we’ve seen numerous developers integrate with our technology, allowing them to spend their time building out their solution instead of focusing on the burdens of running a fast, secure, and scalable infrastructure — after all, that’s what we’re here for.

Today, we are very excited to announce that Cloudflare for SaaS is generally available, so that every customer, big and small, can use Cloudflare for SaaS to continue scaling and building their SaaS business.

What is Cloudflare for SaaS?

If you’re running a SaaS company, you have customers that are fully reliant on you for your service. That means you’re responsible for keeping their domain fast, secure, and protected. But this isn’t simple. There’s a long checklist you need to get through to put a solution in your customers’ hands:

  • Set up an origin server
  • Encrypt your customers’ traffic
  • Keep your customers online
  • Boost the performance of global customers
  • Support vanity domains
  • Protect against attacks and bots
  • Scale for growth
  • Continue reading

Video: Introduction to AI/ML Hype

In May 2021, Javier Antich ran a great webinar explaining the principles of Artificial Intelligence and Machine learning and how they apply (or not) to networking.

He started with a brief overview of AI/ML hype that should help you understand why there’s a bit of a difference between self-driving cars (not that we got there) and self-driving networks.

You need Free ipSpace.net Subscription to access this webinar.

Video: Introduction to AI/ML Hype

In May 2021, Javier Antich ran a great webinar explaining the principles of Artificial Intelligence and Machine learning and how they apply (or not) to networking.

He started with a brief overview of AI/ML hype that should help you understand why there’s a bit of a difference between self-driving cars (not that we got there) and self-driving networks.

You need Free ipSpace.net Subscription to access this webinar.

AWS Networking Fundamentals: A Practical Guide to Understand How to Build a Virtual Datacenter into the AWS Cloud

 Table of Content


Table of Contents


Chapter 1: Virtual Private Cloud - VPC 1

VPC 1

VPC Introduction 1

The Structure of Availability Zone 2

Create VPC - AWS Console 4

Select Region 4

Create VPC 7

DHCP Options Set 9

Main Route Table 10

VPC Verification Using AWS CLI 12

Create VPC - AWS CloudFormation 16

Create Template 17

Uppload Template 17

Verification Using AWS Console 18

VPC Verification using AWS CLI 21

Create Subnets - AWS Console 23

Create Subnets 24

Route Tables 29

Create Subnets – AWS Console 30

Create Subnets - AWS CloudFormation 37

Create Network ACL 40


Chapter 2: VPC Control-Plane 43

VPC Control-Plane – Mapping Service 43

Introduction 43

Mapping Register 43

Mapping Request - Reply 44

Data-Plane Operation 45

References 46


Chapter 3: VPC Internet Gateway Service 47

Introduction 47

Allow Internet Access from Subnet 48

Create Internet Gateway 49

Update Subnet Route Table 54

Network Access Control List 57

Associate SG and Elastic-IP with EC2 59

Create Security Group 59

Launch an EC2 Instance 65

Allocate Elastic IP address from Amazon Ipv4 Pool 71

Reachability Analyzer 81

Billing 85



Chapter 4: VPC NAT Gateway 87

Introduction 87

Create NAT Gateway and Allocate Continue reading