Internet Gateway (IGW)

Internet Gateway (IGW) is an entry point to the VPC from the public.

  • IGW provides NAT (Network Address Translation) for instances that have a public IP assigned:
  • Translation between public IP to Private IP
  • Only 1 IGW can be attached to a VPC.
  • The default VPC is already attached to an IGW.

Egress Internet Gateway

Egress IGW is an outgoing-only internet gateway for IPv6-enabled resources.

  • Egress IGW is used for IPv6 traffic only.
  • It allows IPv6 traffic from VPC to access to the internet.
  • It denies any outside traffic back into the VPC.

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