Configuring route tables

- [Instructor] A route table is a critical component…of a VPC.…It is used to control how your VPC…network traffic gets routed.…It is important to understand what route tables can do.…Whenever you create a VPC,…a main route table gets created.…Using the VPC's implicit router,…the main route table contains a default route…for internal VPC traffic.…While it isn't possible to modify the default route,…you can add your own custom routing rules.…Route tables control how subnet traffic gets routed…by allowing you to specify a target for each destination.…

Each subnet within your VPC has to be associated…with a route table.…If you don't explicitly assign a subnet to a route table,…the subnet will be associated…with the VPC's main route table.…Think of it as a default in the absence…of specific routing rules.…Now that we have a VPC with two empty subnets,…let's create a route table for each subnet.…The first subnet is intended for public facing instances.…The second subnet will contain…non-internet routable components.…Therefore, let's create a route table for each subnet,…