AWS ENI Copy

Elastic Network Interface (ENI): An ENI is simply a virtual network card for your EC2 Instance.

ENI allows:

  • A primary private IPv4 address range of your VPC.
  • One or more secondary private IPv4 address range of your VPC.
  • One Elastic IP  address (IPv4) per private address.
  • One public IPv4 address.
  • One or more IPv6 address.
  • One or more security group.
  • A MAC address.
  • A source/destination check flag.
  • A description.

Uses of ENI:

  • Check a management network.
  • Use network and security appliances in your VPC.
  • Create dual-homed instances with workload/roles on distinct subnets.
  • Create a low-budget, high-availabillity solution.

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January 10, 2023 by AWS