WEBVTT

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Hello and welcome to this section on Networking in Kubernetes.

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My name is Mumshad Mannambeth and we are going through the certified Kubernetes administrators course in this

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section.

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We focus on the networking concepts some networking basics are required to get through this section

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such as the basics about setting and checking IP addresses on any given system knowledge on gateways

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and roads and knowledge about DNS and configuring DNS servers etc..

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While working on this section as before we send out a poll asking about your knowledge and networking

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based on your feedback.

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We've created some prerequisite lectures around configuring interfaces and IP addresses configuring

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gateways and routes basics of named resolution DNS configuration on Linux systems as well as how to

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get started with one of the DNS solutions core DNS.

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These are short lectures that should give you enough knowledge to go through the remainder of the section.

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It is also important to know a little bit about a network name spaces and how Docker uses network name

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spaces internally.

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Again as always these are for beginners and are optional lectures and depending on your knowledge feel

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free to go through only those that you think you really need.

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I would highly recommend the network name spaces and docker networking lectures.

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Once we are done with the prerequisite lectures we start with networking in Kubernetes.

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Again I'm going to rearrange the topics a little bit to improve the flow.

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We start by looking at the cluster networking needs and then followed by POD networking concepts.

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We then look at CNI in Kubernetes and how CNI can help solve the POD networking challenges.

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This is where we pick up from where we left off in the prerequisite lectures around network name spaces.

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We continue to discuss cluster DNS and how Kubernetes implements DNS internally within finish with ingress

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networking.

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Again this is one section that I spent a lot of time on and I hope you enjoy it.