Скачать или смотреть Day 11: Attach Elastic Network Interface to EC2 Instance | 100 Days of Cloud (AWS)

Today’s Task: Adding a Secondary Network Interface When you launch an EC2 instance, it comes with a default ENI (eth0). However, sometimes you need more than one. Today, I will show you how to create a standalone ENI and attach it to a running instance as a secondary interface (eth1).

In this video, you will learn:

What is an ENI? Understanding the virtual network card.

The Use Case: Why would you need two interfaces? (e.g., separating management traffic from public data traffic).

The Lab: How to create a new ENI in a specific subnet and "hot attach" it to your server without stopping the instance.

This is an advanced networking feature that is very useful for network appliance scenarios!

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