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So let's go ahead and jump in

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with a completely blank configuration

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for our VPCs on AWS.

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We'll start on the VPC dashboard showing that, well,

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at this point we don't have any components.

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And then we'll build our own VPC,

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and we'll also, in this video,

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configure the subnet that's gonna be representing

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subnet 10 in our AWS environment.

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So that said, let's just go ahead and jump right in.
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So that said, let's just go ahead and jump right in.

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So starting off here on the VPC dashboard,

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if we scroll down just a little bit here,

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we can actually see that currently

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all of our resources are set to zero.

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So like I said, we will be starting here

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with a blank configuration.

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Now, the first thing we're gonna want to do is create a VPC.

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Now, we could do this either by clicking

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right here on the create VPC button,

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or we could go to our navigation menu,
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or we could go to our navigation menu,

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choose your VPCs, and create one from there.

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We'll go ahead and do it that way.

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So we'll simply click here on your VPCs,

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and then in the upper right hand corner

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we have the create VPC button.

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So the first thing we wanna do is put in a tag.

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We'll simply call this VPC_1.

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Of course, you would want to name it

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appropriate for your environment,

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we're just not too concerned about our names right now.

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Next we're gonna wanna put in a CIDR block.
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Next we're gonna wanna put in a CIDR block.

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So our overall CIDR block for the whole VPC,

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this is the 10.20.0.0/16.

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We're gonna create subnets in this in just a moment,

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but the overall block for the entire VPC

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is going to be this /16 range.

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We're not gonna worry about configuring IPv6 right now,

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so let's continue to scroll down.

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The rest of these values here are fine at their default,

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so now we'll just click on create VPC.
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so now we'll just click on create VPC.

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And we can see here that it has generated the VPC.

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Some big things to look at, of course,

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is notice the state has already gone to available.

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Notice that our IPv4 CIDR address is configured properly

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at the 10.20.0.0/16.

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Notice, also, that it has now created a DHCP option set,
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a main routing table, and a main network ACL

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automatically for this VPC.

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The DHCP option set, we're not going

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to be too concerned about in this skill.

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The main routing table, we'll actually be creating our own,

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so we're not too concerned about that.

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The main network ACL,

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let's go ahead and click on that real quick.

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This will take us to the ACL,

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and if we highlight it for detail,
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and if we highlight it for detail,

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look at our inbound rules.

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Notice that by default there is a rule 100,

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which is permitting all incoming traffic.

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If we look at the outbound rules,

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we see this is the same way.

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So keep in mind that the default network ACL

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is going to permit all traffic.

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Now, this may or may not be what you want

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in your environment.

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This can of course be changed

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and we can control our traffic with this network ACL,
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and we can control our traffic with this network ACL,

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or we can use security groups,

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which is honestly the more common way to do it,

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and that's what we're gonna be doing in a little bit.

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However, just be aware here, again,

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that the default is to permit,

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and of course you can change this if you desire.

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The next thing we're gonna wanna do is create our subnet.

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So for this, we'll click on subnets

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over here in our navigation menu.

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Once again, in the upper right hand corner,

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we have a create subnet button, so let's click on that.
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we have a create subnet button, so let's click on that.

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First thing we want to do is select the VPC we just created,

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so we'll click on the dropdown.

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Notice, of course, that it's showing us the VPC ID.

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Then it puts the friendly name we gave it in parentheses,

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and we also see the overall CIDR block

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that's been assigned to the VPC as a whole.

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So let's go ahead and click on that.

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And now it's gonna want to know about our subnet.

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So first we'll give the subnet a name.

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We'll simply call this Subnet_10.
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We'll simply call this Subnet_10.

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We'll scroll down.

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You can choose an availability zone if you want to,

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but the main thing here that we wanna be changing

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is the subnet CIDR block.

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So this is gonna be 10.20.10.0/24.

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So it's gonna be subnet 10 in our VPC overall network.

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The rest of these default values are fine.

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We'll go ahead and hit create subnet.

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And, of course, the important thing here,
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And, of course, the important thing here,

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we see that the state has gone to available.

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It is tied to our VPC and it does have

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the appropriate IPv4 CIDR assigned to it.

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Now, if we were to highlight our subnet here,

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notice down at the bottom we pick up

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some more detailed information.

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We can adjust this so we can see it a little better.

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So here we can see some more detailed information

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about this subnet, but more importantly,

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take a look at some of these tabs.
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take a look at some of these tabs.

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For example, we can look at the route table.

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We can see that as of right now

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it's using our default routing table,

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and it's simply routing our 10.20.0.0/16 subnet

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to the local network.

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And we can see, for example,

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the network ACL that's assigned.

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If we scroll down, we can see that default network ACL

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applied here to this subnet.

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So this takes care of configuring the VPC
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So this takes care of configuring the VPC

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and its subnet for the current environment.

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Up next, let's take a look at how to configure our gateways.