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- Description and Topics
- What's Included
- Prerequisites / Recommendations
- Network Topology
- About the Instructor
The videos in this series is applicable for Cumulus switches running Cumulus Linux network OS Version 3.7 and higher
In this training package you will learn how to deploy Cumulus Linux switches with VXLAN EVPN within a Data Center CLOS spine-leaf topology. In this course, I will talk about what are Cumulus switches. I will outline a set of requirements that are typical for a Data Center topology focused on server-to-server communication. I will talk about the topology we will use and why it is important. I will talk about the technologies that will be configured and what they provide. I will talk about our deployment steps. And then we will configure our Data Center network using Cumulus switches step-by-step.
In this course, we will be covering a lot of different topics which will include the following main components:
- Overview of Cumulus Linux and NCLU: starting out in this course I will talk about my workspace area for how we will configure our Data Center topology. Then we will confirm initial access to each of the network switches and cover some of the basics of the Cumulus switch and how it can be managed using the Network Command Line Utility (NCLU)
- Multi-Protocol BGP (MP-BGP): we will configure MP-BGP as the underlay protocol in the Data Center CLOS topology. This will provide reachability among the switches including which leaf switch a specific host server is connected to once EVPN is enabled.
- VLAN and Anycast Gateway: we will configure local VLANs that are needed across our LEAF switches. Then we will make our local VLANs routable and setup an anycast gateway with that L3 VLAN SVI.
- VXLAN (L2-VNI VRF and L3-VNI): we will configure VXLAN routing among our LEAF switches as the overlay protocol. We will setup the required L3-VNI and the tenant VRF to allow our L2-VNI virtual networks to communicate together. Then we will setup our L2-VNIs mapping them to a local VLAN which can then be routed over the IP network.
- Ethernet Virtual Private Network (EVPN): we will setup EVPN to advertise our VNIs over the MP-BGP network and for advertising L2 MAC information for server-to-server reachability. At this point, our two servers should be able to communicate together across the CLOS topology.
- Border Switch added to CLOS Topology: from there, we will configure the border switch and the external router. The border switch will be responsible for providing external routing for the CLOS topology. This is where the WAN router or Internet firewall would be connected to.
These will be one of the many things we will teach you in this course to advance your skills as a network engineer for Data Center CLOS networking using Cumulus Linux switches.
Below is what’s included in this training package:
- Video Series (MP4 format): ~2.5 hours (148 minutes)
- Network Diagram (JPG format)
- Overview and Design presentation document (PDF format)
- Configuration Files
- Other Supporting Files
In this course, we will be covering a lot of different areas. It is strongly recommended to have working knowledge and/or understanding for the following:
- Routing and Switching: it is recommended to have a basic understanding of general networking with LAN switching technologies and IP routing. It is recommended to know how to configure VLANs, 802.1Q trunking, to Spanning Tree within a network topology. Within our training collection, we have several training course that shows how to configure many of these LAN switching technologies in a typical network environment. You can view those details here: Cisco LAN Switching Training and Enterprise Solution with Redundant LAN and BGP.
- BGP Routing: it is recommended to have an understanding of BGP routing and how to configure a basic BGP network since MP-BGP plays a big part with VXLAN EVPN. Within our training collection, we have a training course that shows how to configure and monitor BGP in a typical network environment. You can view those details here: Enterprise Solution with Redundant LAN and BGP
Michel has spent the last 19 years as a network engineer/architect. As a 15-year CCIE, Michel loves the opportunity to provide training in a wide-array of network technologies. He formerly worked at Cisco, as well as in government, banking, and non-profit organizations. He has published the “Network Design Cookbook” and a science fiction novel called “The Dark End”. He has also published various iOS applications (virtual Network Engineer, Circlefalls) that can be found on Apple’s iOS App Store. Other software development experience includes python and SDN. Currently, Michel is the owner, Chief Network Architect and Lead Trainer at RouteHub Group, LLC.