Network Automation with Cisco DNA Center SDK – Part 2

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In Part 1 of this series we went through setting up the SDK; importing into your python project; and making your first call using the SDK to authenticate against an instance of the DevNet Sandbox;Let’s roll up our sleeves and dig into the next part of utilizing the...

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Introduction to Programmability – Part 3

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This is Part 3 of the “Introduction to Programmability” series. If you haven’t already done so, I strongly urge you to check out Parts 1 & 2 before you proceed. You will be missing on a lot of interesting information if you don’t.Part 1 of this series defined...

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Introduction to Programmability – Part 1

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Are you a network engineer and have had to repeat the same boring task at work, every day? Do you feel that there must be a way for you to do a task once, and then “automate” it? Theoretically, an infinite number of times? Or, have you been...

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An Introduction Into Kubernetes Networking – Part 4

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Rule based routing The final topic that we’ll cover in this series is rule based routing (HTTP hosts and paths) using the Kubernetes Ingress. An Ingress exposes HTTP and HTTPS routes from outside the cluster to services within the cluster. Traffic routing is controlled by rules defined on...

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An Introduction Into Kubernetes Networking – Part 3

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Tracking Pods and Providing External Access In the previous section we learnt how one pod can talk directly to another pod. What happens though if we have multiple pods all performing the same function, as is the case of the guestbook application. Guestbook has multiple frontend pods storing...

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