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  1. NETWORKING & HYBRID

DHCP In a VPC

Last updated 13 hours ago

  • A standard protocol used to automatically assign network configuration to devices in a TCP/IP network.

  • It provides settings like:

    • Domain name

    • DNS servers

    • NetBIOS node type

🛠️ DHCP in AWS VPC

  • When you create a VPC, AWS automatically creates a default DHCP options set.

  • This DHCP options set is associated with the VPC by default.

  • You can also create your own DHCP options set to customize:

    • DNS servers

    • Domain name

    • Other DHCP options

🧠 Quick Summary

Feature
Description

Purpose of DHCP

Automatically assign IP-related config to devices

Used in AWS for

Setting up DNS, domain names, NetBIOS for instances in a VPC

Default behavior

AWS creates a DHCP options set automatically with every VPC

Customization

You can define your own DHCP options and attach them to a VPC