CDK is the AWS Cloud Developer Kit. Here is a small guide to the setup. I have created a new AWS account for myself that is empty. This will walk through the process of setting everything up to interact with the AWS infrastructure through CDK. Tools Node.js is simple to install, just download, and it’s […]
I have been over the automatic creation of the VXLAN topology in the previous post. However, this stopped at the creation of the topology only. If in the future I wanted to add a new spine or leaf switch, this could be done, but the other switches wouldn’t be aware as they would also need
Arista VXLAN 3 – Automating Adding New Spine and Leaf Switches Read More »
This is going to follow on from the previous post to get a basic three switch topology up and running with VXLAN. This time however, instead of doing more VXLAN I will concentrate on a way to automate the adding of spine and leaf switches to the fabric.The purpose of this automation piece is to
Arista VXLAN 2 – Automating Spine and Leaf Configuration Read More »
I have used Docker compose to create a private registry that is used to store my docker images. I then run the containers on the same server as the registry. The images are uploaded from my Mac. I haven’t used Docker a lot so, several guides were required for me to get this to work.
Create Docker Private Registry Read More »
I was making changes on F5s to remove ciphers considered weak. Once the change has been made, the VIP on the F5 must be checked. If the VIP is public and has a DNS record then using SSL labs in very simple. However, if the VIP has no public DNS record, or is not public
NMAP SSL Cipher Checking Read More »
This lab use part of the Arista Spine and Leaf topology I have created in GNS3. Specifically, I will only be using three switches. One spine and two leaf switches. I have chosen this to get a good understanding of the core concepts of VXLAN, HER and EVPN. This is the basic VXLAN topology that
Arista VXLAN 1 – VXLAN, HER and EVPN Basic Configuration Read More »
This post is a follow-up to the post I created that gives a basic multi threaded example. There isn’t any context and when I came back to the code I found it difficult to translate into one of my functions. In this example, I will take a function of my F5 Flask Dashboard that has
Python Migrating Single Threaded Function to a Multi Threaded function Read More »
AEM is the event handler for Arista. It can be used to automate tasks giving the user the ability to customise alerts and actions. There are three parts to ARM; Event Manager, Event Monitor and Linux Tools. Send XMPP Message on Interface ChangeDownload script and execute if startup-config presentUsing variables in AEMRunning Script Before EOS
This is something new that I decidced to try out. Using an AI chatbot to generate a base configuration for Linux, Cisco, Arista etc. I do not know all of the Cisco commands for every feature, nor do I have the ability to memorise all the Python functions or Linix configuration. I use Google to
Using ChatGPT to Generate Config Read More »
In the previous XMPP post, I was using local users in the XMPP ejabberd server. There was command authorisation in the form of a setting on the XMPP configuration of each Arista switch. The default is 1, however this will not permit show run, or configuration commands and others. This post will explain how to
Using ISE AAA TACACS For Arista XMPP Read More »