I will pick up right where I left off from the previous Intro to Expert thread here! That being said, I will be looking at another noob feeling topic in depth! Python Sequence Types The 5 sequence types are as follow the (first 3 are actually built into Python): StringListTupleRangeBytes / Bytearray What is a … Continue reading Python 3 – Learning it properly this time from Hello World to Scripting, learning Python 3 from scratch Post #1 Completed – Session #2 begins!
Pictured above is an awesome CI/CD DevNet Sandbox that unfortunately glitched out! The CI/CD Pipeline Sandboxes seem glitch prone from my experiences tonight, which is not surprising given the complexity, however I will leave the lab up to the point Drone / Gogs glitched out as there was a basic getting it started guide which … Continue reading Cisco DevNet Sandbox for CI/CD, demo but unable to finish due to bug, thoughts on tools for labbing!
A fancy new Discord Server to collaborate / stream your lab / watch other stream! Being that I will be labbing my brains out on DevNet / Network Automation topics, I've created a discord server capable of Voice Channels which also allows for Video / Screen Sharing. I thought this would be a stellar idea … Continue reading New Loopedback Discord Server for Collaborating on labbing / Sharing your labbing / Saying Hello World!
This post will be covering all things Telephony for the DEVASC exam! This and "Compute" platforms (UCS Manager / Director / Intersight) will be the end review of my class, and really I am only going to be a high level overview of these, being its only 15% of the exam among a HUGE pool … Continue reading Week 6 of the DevNet Grind – CUCM / End User Data, Admin XML Layer (AXL), Contact Center / Finesse, and all things WebEx Teams!
Cisco Network Services Orchestrator (NSO) Cisco's Network Services Orchestrator is a platform to help companies transition into an SDN / Automated Network Solution, as the constant change in devices and limitation of vendor and service integrations has turned them away, where "Time to Market" requirements are critical as delays caused by new tool deployment will … Continue reading Week 6 of the DevNet Grind – Cisco Mgmt Platforms NSO and SD-WAN reviewed for exam day!
Network Automation and a list of the benefits it brings to Network Management Automation saves business operational expense (OPEX) when tasks can be automated, and before diving into the systems that bring this Automation at scale, wanted to review some the basic benefits it brings to the Enterprise Network: Device Provisioning - Automation makes device … Continue reading Week 6 of the DevNet Grind – Cisco Network Mgmt, IOS XE, Meraki, Difference in Data Planes, DNA Center, ACI, and NX-OS reviewed!
The SDK (Software Development Kit) is the software toolbox for Developers! Unlike an API which is basically a set of URI's that are executed per the requirements of documentation used to help build them, SDK's are a set of tools for a specific device or system, often containing packages / integrated with libraries / documentation … Continue reading Week 6 of the DevNet Grind – SDK (Software Dev Kit) review of the different Cisco Platforms SDKs!
I just have to admit it - I know just enough Python to understand but not code it! Python is a lot like when I took "Intro to Spanish" in College, I can understand enough to get the drift of what is being said, but I could not speak a fluent sentence to save my … Continue reading Python 3 – Learning it properly this time from Hello World to Scripting, learning Python 3 from scratch Post #1 Completed – Will start #2 soon!
I will be powering through the theory of Cisco Security Platforms in this post! I don't know that I will have time to lab these individually, but wanted to document them at a high level view for my first pass over on the topics, and try to explain how they interact with with both Automation … Continue reading Week 6 of the DevNet Grind – Cisco Security Platforms, AMP, Firepower, ISE, Threat Grid, and Umbrella reviewed for exam day!
The above is graphic is how YANG / NETCONF / RESTCONF flow like an OSI Model! "Yet Another Next Generation" or YANG is defined in RFC 6020 as a "Data Modeling Language" used to model Configuration and State data manipulated by "Network Configuration Protocol" (NETCONF), NETCONF RPCs, and NETCONF notifications. Though YANG generally describes Network … Continue reading Week 6 of the DevNet Grind – Model Driven Programmability, YANG Data Modeling, NETCONF and RESTCONF Protocols reviewed for exam day!
Upon jumping into AWS I completely overlooked created non-Root user accounts! This "IAM" service is one of the first things you should configure within your AWS Cloud to create non-Root level users, even if its just for yourself, so if you do fall victim to certain Injection attacks I've described in DevNet Week 4 "Security" … Continue reading AWS SAS – Securing your Root account via IAM, User Setup within IAM, and creating / using the AWS CLI Feature!
Above is a GitOps Blue Green Deployment, explained below among many other topics, and transitioning to other Automation Testing related topics. Infrastructure as Code including Blue / Green and Canary Testing examples When working with Infrastructure as Code one term to know is "immutability" which means being in a state that is not changeable, but … Continue reading Week 5 of the DevNet Grind – Automation Testing (Physical vs SDN), Test Methods, pyATS demonstrated / setup guide for home lab, and Network Simulation!
This will be a deeper dive into the different Files / Dependencies within Anisble I've gotten Ansible running on my home lab, but never entirely understood things like the Hierarchy of files and what depends on what, so I wanted to hit the learning lab and jot down Ansible Specific notes here for configuration. Note … Continue reading Ansible – Quick high level run through of components that make up ansible, and how to find help docs via the CLI!
Best job I've ever been forced to compute, that still has me smiling! 🙂 Decided to skip the robust API Body in JSON / Headers / Etc, so I actually had configured the API to answer calls with a "Hello from Loopedback!" response, but I found the Microservice on AWS Lambda was replying as a … Continue reading Configured my first ever (REST) API, my first time working with AWS Production, and I could not be happier that I got it 🙂
Wanted to post this list as it seems more geared toward the DEVASC Exam This will be a lot of screen snips from my Hands on Lab I've already gone through, there are maybe a few I might forget occasionally but that would be rare, so that being said: