How to add an IP alias to an EC2 instance on Debian/Ubuntu Linux
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nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format (RSS/FEED) (
Vivek Gite
) to
All on Fri Jan 10 15:26:19 2025
A
n IP alias on Debian, Ubuntu, or any other Linux distros refers to assigning multiple IP addresses to a single network interface. A single network interface card (NIC) can respond to multiple IP addresses and configurations. IP aliases are commonly used for various purposes, such as network segmentation, virtual hosting, load balancing, VPN, split DNS, network testing, and more. Let us see how to add IPv6 and IPv4 IP addresses to your AWS EC2 or Lightsail instance using the CLI without disturbing the IPv4/IPv6 addresses assigned by the AWS DHCP server. These instructions will also work with all other cloud providers, as most providers use DHCP to give you a public IPv4/IPv6 address.
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How to add an IP alias to an EC2 instance on Debian/Ubuntu Linux
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