SD-WAN | NetworkAcademy.IO

Cloud onRamp for IaaS

Before we begin, let's first define what is Infrastructure as a Service (IaaS). IaaS is a virtualized computing infrastructure, provisioned and managed over the Internet that can be used to host and deliver enterprise applications.

Cloud onRamp for SaaS

The Business Need

Before we begin, let's first define what is a Software-as-a-Service (SaaS) application from a network perspective? Well, a SaaS application is just an enterprise-grade business application that is typically used over the Internet.

Last Resort Circuit

The Business Need

Cisco SD-WAN's device portfolio includes WAN edge routers that support WAN connections over 3G/4G LTE. This is a great option in remote areas where Internet circuits are expensive or not available

vManage Mode

A Cisco SD-WAN device can be either in one of these configuration modes at any given time:

Cisco SD-WAN on EVE-NG

Cisco SD-WAN is a major topic in the CCE Enterprise blueprint now. Network engineers that want to pass the lab exam should have extensive hands-on experience with the solutions.

WAN Edge Deployment

In this lesson, we are going to go through the different WAN edge onboarding options that Cisco SD-WAN provides.

Cisco SD-WAN Policies

Policies are an essential part of the Cisco SD-WAN solution and are used to influence the packet flow across the overlay fabric. Policies are created on vManage through the Policy Wizard GUI and when applied, are pushed via NETCONF transactions either to the vSmart controllers (centralized policy) or directly to vEdges (localized policy).

Controllers Identity and Whitelisting

Cisco SD-WAN Controllers can not be brought into operation unless their identity is validated by an established chain of trust. This identity validation process is intended to ensure that only trusted devices can join the SD-WAN solution while still retaining flexibility. Each controller must have a root certificate installed and a controller certificate installed and signed by a trusted CA (Certification Authority).

TLOC Color and Carrier

TLOC Color is a logical abstraction used to identify specific WAN transport that connects to a WAN Edge device. The color is a statically defined keyword that distinguishes a particular WAN transport as either public or private and is globally significant across the Cisco SD-WAN fabric.

What is a TLOC?

A TLOC is a Transport Locator that represents an attachment point where a Cisco WAN Edge device connects to a WAN transport. A TLOC is uniquely identified by a tuple of three values - (System-IP address, Color, Encapsulation).