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Summary

In this use case, you used the Juniper Apstra to design, build, and deploy a fabric of QFX Series switches, including the overlay networks that run on top of the fabric.

The procedures you used to create the network in this use case apply equally well to cloud-scale data centers. The notion of configuring the fabric as a whole, while leaving individual device configuration details to Apstra, means these procedures scale gracefully. Being able to create multiple blueprints from a single design template enables you to take a cookie cutter approach when deploying multiple sites.

The Apstra design process is highly intuitive because you base your design on physical building blocks such as ports, devices, and racks. By creating these building blocks and specifying what ports are used, you’ve given Apstra all the information necessary to come up with a reference design for your fabric.

The reference design built by Apstra contains not only configuration information, but also the roles and responsibilities of various components, enforcement mechanisms, and the expectations that need to be met. This allows Apstra to use the reference design not only to configure the fabric but to validate the fabric once you deploy the configuration, and on an ongoing basis thereafter.

We’ve shown how this works by creating cabling and configuration issues for Apstra to detect as well as performing a device software upgrade. This ability to reliably handle controlled changes and unexpected network events is what separates Juniper Apstra from other fabric management solutions.

What's Next

To reinforce your learning, try the Apstra lab at Juniper Networks Virtual Labs. You can find the Apstra lab by scrolling down to the Switching category.