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So, let's begin our discussion with an introduction to Cisco's SD-WAN.

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Our aim in this video is going to be to discuss what is SD-WAN and what

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advantages does this

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bring to the current networking environment.

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After that, we'll talk about the various different components as an

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introduction to those

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components.

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The rest of this skill, of course, will be talking about each of those
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The rest of this skill, of course, will be talking about each of those

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components in more detail.

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So let's go ahead and jump in with our introduction.

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So of course, the first thing we want to ask when we start talking about a new

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topic is

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why.

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Why do we care about SD-WAN, what's good about it, and what does it add to what

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we already

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have in networking?

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Well, first off, it is a software-defined solution.

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What this basically means is that we're going to use a controller to control
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What this basically means is that we're going to use a controller to control

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our network.

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Why?

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Why is this important?

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Well, for one thing, it is definitely easier and it's more consistent as far as

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configuration.

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Now keep in mind as we go through this discussion.

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Control management isn't really something new in networking.

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What's really new here is that we make changes on a controller and those
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What's really new here is that we make changes on a controller and those

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changes automatically

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and uniformly get pushed out to all of the devices.

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That's what makes this easier, more efficient, and more accurate.

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It's basically removing the possibility of mistakes from the equation and

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making everything

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essentially a one-click operation.

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So specifically, some of the things that it will simplify, support for, is

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connecting to

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multi-cloud.
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multi-cloud.

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It makes this much easier as well as connecting to things such as platform as a

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service or

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software as a service.

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All of these are going to be much easier with SD-WAN because they are built in

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wizards to

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help you set all of this stuff up.

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And in addition to just making cloud services easier, we can also simplify

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things such as

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our routing.

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Again, it's going to make it more consistent.
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Better security.

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Again, mostly through that whole idea of consistency.

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There will be a consistent security policy on all of the devices.

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And we sort of did already mention it does this all, of course, through this

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simplified

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and centralized management.

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That is the main advantage to the whole software defined model.

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And overall, it simply optimizes the whole cloud experience with, again, built

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in wizards
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in wizards

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and such such as Cisco on-ramp to help simplify cloud configuration.

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So what are the moving parts that make all of this work?

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So the SD-WAN solution is made up of four major components.

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There are a few optional components as well that we'll discuss.

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However, there are four major components.

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The first of those four major components is V-Manage.

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V-Manage is what offers that central management to the environment.
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V-Manage is what offers that central management to the environment.

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It's essentially a web page that we go to to do all of our configuration,

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management,

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and monitoring.

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Next is the V-Smart controller.

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This again is the controller of this entire environment.

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The V-Manage controller is what tells the V-Smart controller what to do, but

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keep in

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mind it's the V-Smart controller that's actually doing it.
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mind it's the V-Smart controller that's actually doing it.

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So yes, V-Manage provides the graphical interface for us administrators, but

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when it comes to

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actually implementing this, it's being done by V-Smart.

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The next component is V-Bond.

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This one orchestrates the connections between the controller and the edge.

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The edge is what we're going to be talking about next, but this is essentially
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The edge is what we're going to be talking about next, but this is essentially

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the connection

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manager for SD-WAN.

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And finally, we have the WAN-edge devices.

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These are the actual devices, either physical or virtual, that are actually

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sitting at each

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location's edge.

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So you would basically say this is the data plane.

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Everything above this has been either management plane or control plane.

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This is the actual data plane.

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These are the devices that are being controlled by the V-Smart controller and
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These are the devices that are being controlled by the V-Smart controller and

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are therefore

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doing the actual packet forwarding.

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Now just so you're aware, starting with version 20.12 and iOSXE version 17.12,

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Cisco decided

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to rename this product line.

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So what did they change?

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Well first, the overall solution is now called the Cisco Catalyst SD-WAN
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Well first, the overall solution is now called the Cisco Catalyst SD-WAN

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solution.

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So they changed the overall name from just SD-WAN to Cisco Catalyst SD-WAN.

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Then each component also got renamed.

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V-Manage is now referred to as the Cisco Catalyst SD-WAN Manager.

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V-Smart now becomes the Cisco Catalyst SD-WAN controller.

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You might be getting a little bit of a trend on how these names are running.
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You might be getting a little bit of a trend on how these names are running.

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They all tend to begin with the product name Cisco Catalyst SD-WAN.

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Next up is V-Bond, which is the big surprise Cisco Catalyst SD-WAN validator.

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And finally there's another component we haven't really discussed yet called V-

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Analytics.

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This is now the Cisco Catalyst SD-WAN analytics.

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This is for collecting and analyzing information about our network.
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This is for collecting and analyzing information about our network.

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We'll talk about this in more detail in an upcoming video.

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And one other thing I want to point out, as we go through this course, we will

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be using

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the original names just because Cisco, through the entirety of the ENCC

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generally refers

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to these products by their older names, the V-Manage, the V-Smart, the V-Bond,

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and the WAN
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and the WAN

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Edge.

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Just be aware of these new names, just in case they update the exam.

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Be aware that both of these names are technically valid.

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But again in a lot of places, Cisco is still using the original names, so just

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be aware

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of this change.

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So in this video, we just jumped in with a quick introduction, hopefully

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answered that

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question, why SD-WAN, why do we care, what does it bring to the table.

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And we talked about the four major components that we have with SD-WAN, as well
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And we talked about the four major components that we have with SD-WAN, as well

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as the fact

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that the product names have changed a bit here in the newest versions of code.

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Next, let's take a closer look at that V-Manage server.
