Barenetes - Kubernetes Baremetal Networking Using GNS3
Kubernetes networking (Multus, SRIOV, Whereabouts, BGP, OSPF)
Development ,Software Development Tools,Kubernetes
Lectures -37
Resources -1
Duration -9 hours
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Course Description
Kubernetes has become the de-facto container orchestration solution that is been used over public/private clouds and on-prem/baremetal environment.
Kubernetes networking is an area that I feel many people struggle to grasp especially in baremetal environment.
If you are devops, cloud or network engineer that has been looking to learn more about kubernetes networking in detail, then this course is for you.
This course covers the following:
Kubernetes CNI plugins Administration
Kubernetes On-prem Load balancer solution
Using wireshark to dissect kubernetes networking scenarios
GNS3 was chosen as a platform since it helps to visualize and emulate several different kinds of operating systems, students can also use alternative platforms like EVE-NG by following the LAB topology and configurations.
Routing protocols like OSPF and BGP are used to demonstrate how to advertise POD and service IP pools into the network environment.
Following software are used:
GNS3
Kubeadm Kubernetes Distribution
Ubuntu
Vyos Router (You can use another router, Vyos is used since it is accessible to everyone.)
Git repo for this course can be found at: https://github.com/infinitydon/kubernetes-baremetal-networking This contains all the reference docs and sample Kubernetes manifests that were used in this course.
Goals
At the end of this course, student should be able to do the following:
- Understand the Kubernetes networking principles
- How to use network routers (like Vyos) to integrate with Kubernetes POD/Service IP addresses
- Use sample CNI plugins like Calico for connecting Kubernetes cluster with the baremetal network
- Understand how to use Multus for secondary POD network interfaces
- Understand how to use SRIOV for secondary POD network interfaces
- Understand how to use IPAM solutions like static IP and dynamic IP (via whereabouts)
Prerequisites
- Familiarity with IP networking will be beneficial.
- CKA kubernetes knowledge will be good to have but not super important
- Basic Linux administration
- GNS3
- Virtualbox is used extensively with Docker in GNS3.
- For the SR-IOV sections, appropriate hardware is needed, Dell VEP platform was used for this purpose in this course.

Curriculum
Check out the detailed breakdown of what’s inside the course
Course Introduction And Kubernetes Foundation
7 Lectures
-
Foundation-1 19:20 19:20
-
Foundation-2 20:08 20:08
-
Foundation-3 17:57 17:57
-
Foundation-4 10:56 10:56
-
Kubeadm GNS3 - 1 16:22 16:22
-
Kubeadm GNS3 - 2 16:38 16:38
-
Kubeadm GNS3 - 3 18:53 18:53
Container Network Interface
1 Lectures

Calico CNI
7 Lectures

Cilium CNI
4 Lectures

MetalLB LoadBalancer
6 Lectures

SR-IOV
3 Lectures

Multus Meta-CNI
7 Lectures

SDN-Vortex CNI
2 Lectures

Instructor Details

Christopher Adigun
Christopher is an ICT professional with a broad range of experience covering IP networking, Linux Administration, Cloud Computing, Kubernetes, and Telecommunications 4G/5G Packet Core Networks.
He enjoys sharing his knowledge and mentoring others.
He holds several related industry certifications like CKA, CKAD, CKS, Openstack COA, Hashicorp Terraform, Vault & Consul among several others.
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