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AWS Networking Cookbook

You're reading from AWS Networking Cookbook Powerful recipes to overcome the pain points of optimizing your Virtual Private Cloud (VPC)

Product type Paperback

Published in Aug 2017

Publisher Packt

ISBN-13 9781787123243

Length 366 pages

Edition 1st Edition

Tools

AWS

Concepts

Networking

Authors (2):

Satyajit Das

Jhalak Modi

View More author details

Table of Contents (16) Chapters

Title Page

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Customer Feedback

Preface

1. Getting Started with AWS Networking Components FREE CHAPTER

2. Building Your Own Custom VPC

3. VPC Advanced Components

4. Configuring Global Scale Infrastructure

5. Working with Infrastructure Automation

6. Working with Route 53

7. Cloud Security and Network Compliance

8. Troubleshooting and VPC Limits

9. Pricing of VPC and Related Components

Internet not accessible in the private subnet instance (NAT Gateway)

While working with a private instance, we face various issues in terms of an EC2 instance connecting to the internet or any other instance in the subnet.

How to do it...

The first troubleshooting step starts with pinging the destination (any other host or internet).

Note

Make sure that you test the destination from another server or your own computer because the destination host/website should have ICMP enabled.

Verify that NAT Gateway and EC2 are attached to the desired subnet.
Ensure that NAT Gateway has been created in a public subnet.

Note

Public subnet should have a public Route Table having a default route pointing to the Internet Gateway.

Check that the NAT Gateway is in an available state. If the NAT Gateway goes into a failed state, you will need to resolve the issue or create a new one immediately.

Note

A failed NAT Gateway will be deleted automatically at some time, usually in an hour.

Make sure you don't have any blocked...

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Authors (2)

Satyajit Das

Satyajit Das

Satyajit Das has sixteen years of industry experience including around four years of experience in AWS and Google cloud. He helped internal and external customers for defining architecture of applications to be hosted in cloud. He has defined migration factory and led teams for application migration. He has used Enterprise architecture framework to define application, data and infrastructure architecture and migrate solutions to AWS cloud. He applied architected, designed and implemented high available, scalable and fault-tolerant applications using Micro-Architecture paradigm and used cloud-native architecture in AWS. He has also been involved with cloud CoE and Governance setup, defining best practices, policies and guidelines for Service implementations. He has lead large teams for solution delivery and execution. He has experience across industry domains like manufacturing, finance, consulting, and government.

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Modi

Modi

Jhalak Modi is a DevOps engineer with a deep interest and expertise in implementing large-scale cloud, big data, CI/CD, and automation solutions on a variety of public/private/hybrid clouds, as well as on-premises. She is an AWS Certified Solutions Architect and DevOps professional with more than 10 certifications in trending technologies. She is also a public speaker at AWS events, universities, meet-ups, and corporate trainings. Currently, working with KOGENTiX, Singapore, she has previously worked with Wipro Technologies and Electromech Corporation.

See other products by Modi

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