Should I have a NAT gateway in each AZ

0 votes
Since NAT gateway only have redundancy within a single Availability Zone(AZ), if I want to have a public/private pair of subnets in every AZ for the purpose of multi-AZ redundancy, should I have a NAT gateway in every AZ or I shouldn't?
Otherwise, if I have only one NAT, if the AZ goes down, all the subnets in all AZs go down with it, thus defeating the purpose of this multi-AZ deployment.
Jun 4, 2018 in AWS by Cloud gunner
 • 4,670 points • 987 views

1 answer to this question.

0 votes

Yes, in this case, you have to have one NAT Gateway as per Availability Zone (AZ).

It's stated in AWS Documents. A single NAT Gateway in a single AZ has redundancy within that AZ only, so if there are any zonal issues then instances in other AZs would have no connection to the route and they'll be totally non-functional.

answered Jun 4, 2018 by Flying geek
 • 3,280 points

Related Questions In AWS

0 votes
0 answers

Q: If I have data installed in an EC2 Auto Scaling group, and a new instance is dynamically created later, is the data copied over to the new instances?

Q: If I have data installed in ...READ MORE

Mar 4, 2020 in AWS by anonymous
 • 140 points • 1,471 views
0 votes
1 answer

I want to host two websites in a web server instance, in such a way that if I paste the EC2 public DNS on a web browser, I should see the contents on the two Websites. How can I do this?

You can have one main website on ...READ MORE

answered Nov 2, 2020 in AWS by Isac
 • 670 views
+1 vote
1 answer

How to put up a maintenance page in AWS when I want to deploy the new versions of own applications behind an ELB?

You can try these steps to put ...READ MORE

answered Apr 13, 2018 in AWS by Cloud gunner
 • 4,670 points • 9,404 views
0 votes
1 answer

When should I use a t2.medium vs. a m3.medium instance type within AWS?

30000 hits per month is on average ...READ MORE

answered Aug 17, 2018 in AWS by Priyaj
 • 58,090 points • 6,421 views
+4 votes
1 answer

How do I go from development docker-compose.yml to deployed docker-compose.yml in AWS

It can work if you try to put ...READ MORE

answered Jun 7, 2018 in AWS by Cloud gunner
 • 4,670 points • 4,919 views
+6 votes
1 answer

Web UI (Dashboard): https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/

Hey @nmentityvibes, you seem to be using ...READ MORE

answered Dec 13, 2018 in Kubernetes by Kalgi
 • 52,360 points • 7,057 views
+2 votes
1 answer

Deploy Docker Containers from Docker Cloud

To solve this problem, I followed advice ...READ MORE

answered Sep 3, 2018 in AWS by Priyaj
 • 58,090 points • 2,467 views
+15 votes
2 answers

Git management technique when there are multiple customers and need multiple customization?

Consider this - In 'extended' Git-Flow, (Git-Multi-Flow, ...READ MORE

answered Mar 27, 2018 in DevOps & Agile by DragonLord999
 • 8,450 points • 3,501 views
+1 vote
4 answers

How do I cache my images which are stored in Amazon S3?

when caching ec2 instance these can be ...READ MORE

answered Oct 23, 2018 in AWS by Nabarupa
 • 8,470 views
+9 votes
17 answers

AWS VPC - What is the difference between Internet Gateway & NAT

Internet Gateway An Internet Gateway is a logical connection ...READ MORE

answered Apr 24, 2018 in AWS by Flying geek
 • 3,280 points
edited Jul 10, 2023 by Khan Sarfaraz • 126,886 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP
"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.