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Nick Carlton
Nick Carlton
Nick's Technical Knowledge Base

Cisco

Cisco

vPC VXLAN EVPN Leaf and Spine – Part 2 – Underlay Setup

In the last part, we setup the vPC domains on the leaf switches and all the interfaces down to our vPC member servers. In this part, we are going to look at the underlay setup. There aren’t many differences from a traditional VXLAN deployment, but lets dive in! Here is Read more…

By Nick Carlton, 7 months10th January 2025 ago
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 the topology and setup the vPC domains. Here is the Read more…

By Nick Carlton, 7 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 don’t want to have a layer 2 link running between Read more…

By Nick Carlton, 7 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 output and what it means. Before reading this, it implies Read more…

By Nick Carlton, 7 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 used to route BUM (Broadcast, Unknown Unicast and Multicast) traffic. Read more…

By Nick Carlton, 7 months13th December 2024 ago
Cisco

Cisco Nexus vPC – Part 2 – Common Failure Scenarios

Cisco Nexus vPC – Part 2 – Common Failure Scenarios In the last part we looked at the core concepts of vPC and then setup a couple of switches in a vPC domain and connected a downstream switch. Now, we are going to look at some common failure scenarios of Read more…

By Nick Carlton, 8 months8th 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 with one management plane, the devices stay individually managed. vPC Read more…

By Nick Carlton, 8 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 for running FreeRadius dot1x-rtr – Cisco C1111-4P Router to connect Read more…

By Nick Carlton, 9 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 with practical examples.

By Nick Carlton, 9 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 practical examples.

By Nick Carlton, 1 year28th January 2024 ago

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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
  • Cisco Nexus vPC – Part 3 – Peer Priority
  • 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

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