Routing Tables

AWS VPC Routing Tables

A set of rules to determine where the traffic will be directed, comes in form of Destination and Target, defined as follows:

DESTINATION -> TARGET

1) IP local -> VPC Internal

2) IP igw -> Internet Gateway

3) IP nat -> NAT Gateway

4) IP pcx -> VPC Peering

5) IP vpce -> VPC Endpoint

6) IP vgw -> VPN Gateway

7) IP eni -> Network Interface

Definitions:

• VPC Internal -> Internal IP, no internet connection

• Internet Gateway -> Used to access the internet

• NAT Gateway -> Does the NAT between machines, allows one way connection to the internet

• VPC Peering -> Allows the communication between 2 VPC's

• VPC Endpoint -> Used to access aws services without internet connection (Internet Gateway)

• VPN Gateway -> Used to expand the cloud to on premises and vice-versa

• Network Interface -> Network Interfaces