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Nick Carlton
Nick Carlton
Nick's Technical Knowledge Base

Nick's Technical Knowledge Base

Cisco

vPC VXLAN EVPN Leaf and Spine – Part 1 – vPC Setup

In this series of guides, we will be completing the setup of a VXLAN fabric, with the leaf switches being in vPC pairs, this creates some interesting config additions we need to consider. In this part, we will look at Read more…

By Nick Carlton, 5 months ago
Cisco

Connect Legacy DCs together at L2 using VXLAN

In this guide, we are going to look at a less common, but still supported and deployed VXLAN EVPN model. Lets say we have two (or more) Data Centres and we need to connect them at Layer 2, but we Read more…

By Nick Carlton, 5 months24th December 2024 ago
Cisco

Interpreting VXLAN EVPN BGP Output – Type-2 Routes

The BGP output from a show bgp l2vpn evpn command is normally very long and sometimes confusing to understand. In this guide, I will walk through a sample output of a type-2 route and show why we get all the Read more…

By Nick Carlton, 6 months21st December 2024 ago
Cisco

Using PIM BiDir Phantom RP in a VXLAN Fabric

In this post, I am going to show the process of using PIM BiDir Phantom RP in the VXLAN EVPN topology we build in Parts 1 to 8 here. PIM is an important part of the VXLAN underlay as its Read more…

By Nick Carlton, 6 months13th December 2024 ago
Cisco

Cisco Nexus vPC – Part 1 – Concepts and Initial Setup

This guide marks the first of a few guides related to Cisco Nexus vPC. Standing for Virtual Port-Channel. This is very much like the well-loved Stackwise concept for Catalyst switches. However, instead of the devices becoming a single logical switch Read more…

By Nick Carlton, 6 months8th December 2024 ago
Cisco

Cisco & FreeRadius – EAP-TLS Wired 802.1x

In this guide, we are going to look at the setup of a cisco network using 802.1x wired authentication. This lab consists of the following: lab-dc01 – Windows Server 2019 AD-DS Server with AD-CS Roles lab-frad01 – Ubuntu 22.04 server Read more…

By Nick Carlton, 7 months1st November 2024 ago
Cisco

VXLAN EVPN Multi-Site – YouTube Playlist

Here is a YouTube playlist I created showing the process of setting up the same Multi-Site Fabric as the guide I created on here: These videos go through all the parts I explained on here but in more detail and Read more…

By Nick Carlton, 7 months24th October 2024 ago
Cisco

VXLAN EVPN Leaf and Spine – YouTube Video

Here is a YouTube video I created showing the process of setting up the same Fabric as the guide I created on here: This video goes through all the parts I explained on here but in more detail and with Read more…

By Nick Carlton, 1 year28th January 2024 ago
Cisco

VXLAN EVPN Multi-Site – Part 9 – External Access outside Fabric

In the last part, we got route leaking in tenant VRFs working, in this part, we will look at giving the VRFs a way out of the Fabric! We have added some new devices to the topology: We can see Read more…

By Nick Carlton, 2 years23rd September 2023 ago
Cisco

VXLAN EVPN Multi-Site – Part 8 – L3VNI Configuration – Multi Tenant Leaking

In the last part, we got a multiple tenant VRFs working, in this part, we will look at joining the tenants up via route leaking. Lets remind ourselves of the topology: So, currently we have our two VRFs with separate Read more…

By Nick Carlton, 2 years23rd September 2023 ago

Posts pagination

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Categories
  • Beginner Tutorial
  • Cisco
  • Cisco Nexus vPC
  • DMVPN
  • Expert Tutorial
  • FortiGate Firewall
  • Intermediate Tutorial
  • VMware Lab Guide
  • VXLAN
  • VXLAN Multi-Site
  • Windows Server
  • YouTube Video
Recent Posts
  • vPC VXLAN EVPN Leaf and Spine – Part 11 – Infra-Vlans
  • vPC VXLAN EVPN Leaf and Spine – Part 10 – Solving External Access issue
  • vPC VXLAN EVPN Leaf and Spine – Part 9 – External Access outside Fabric
  • vPC VXLAN EVPN Leaf and Spine – Part 8 – L3VNI Configuration – Multi Tenant Leaking
  • vPC VXLAN EVPN Leaf and Spine – Part 7 – L3VNI Configuration – Multi Tenant

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