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  • Why Automate? Ansible Playbooks and Desired State for Network Operating Systems

    calendar Dec 29, 2020 · 7 min read · eBGP Home Lab IPv6 Datacenter Networking FOSS/Linux Spine and Leaf BGP Programmability Ansible Jinja Network Automation  ·
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    Don't Reinvent the Wheel: Ansible Playbooks Writing your own code isn't always the answer Often, communities such as Python will contribute code of substantially higher quality than what you/I can create individually. This is OK. In nearly every case, dyed-in-the-wool traditionalist programmers will consume …


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  • Advantages for BGP in Virtualized Topologies

    calendar Dec 21, 2020 · 7 min read · eBGP IPv6 IS-IS OSPF NSX-V Datacenter Networking Spine and Leaf iBGP Routing & Switching Studies BGP NSX-T  ·
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    BGP Advantages in Virtualized Networking BGP is more like an Application BGP, by design, is a lot more capable than most typical routing protocols. Here are a few ways MP-BGP/BGPv4 is fundamentally unique: Extensible: MP-BGP can store and run multiple address families (AFIs) and subsequent address families (SAFIs). …


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  • vCenter Upgrade Error: Exception Occurred in install precheck phase

    calendar Dec 20, 2020 · 7 min read · VMWare Home Lab Datacenter Networking  ·
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    Error presented by VAMI Interface Caveat This is definitely bypassing some form of pre-check, please contact VMware support if it's on a production system! Troubleshooting VCSA 7.0 has moved the upgrade process logging to a new location - the log itself is now at /storage/log/vmware/applmgmt/update_microservice.log …


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  • Using VM Templates and NSX-T for Repeatable Virtual Network Deployments

    calendar Oct 3, 2020 · 3 min read · VMWare Home Lab NSX-T Programmability  ·
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    So far, we've provided the infrastructure for continuous delivery / continuous integration, but it's been for those other guys. Is that odd? Let's try using the principles provided for more infrastructure-oriented reasons. Let's build a network lab using NSX-T. First, we need some form of a mutable router. Normally, …


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  • Why Automate? Writing a self-testing Python class for REST or XML API invocation

    calendar Aug 16, 2020 · 6 min read · Python PAN-OS Programmability Network Automation  ·
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    So far, most API invocations, at least in terms of what you need to do, are pretty simple to execute. Then again, just about every other administrative function on a computer is, as well. For example: Clicking a button Typing in a command or variable Interacting with a programmable interface is as simple as any other …


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  • Why Automate, Part 2: RESTFul APIs and why they aren't as hard as you think

    calendar May 24, 2020 · 5 min read · Linux Home Lab Cisco NX-OS Routing & Switching Studies Programmability Ansible Network Automation  ·
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    Let's be realistic about the API craze - it seems everything has one, and everybody is talking about API consumption in their environment as if they've invented fire. Here are a few things to know about APIs that could have been communicated better: Writing code to consume an API is easy. Most of the time, a cURL …


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  • IPv6 Sage Certification with NSX-T, Part 2

    calendar Mar 15, 2020 · 1 min read · eBGP Home Lab IPv6 Datacenter Networking BGP NSX-T  ·
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    To get past the first major test (Explorer), you simply need to access a page over IPv6, and pass a quiz. To do this, spin up a desktop VM on your dual-stack vn-segment and navigate to https://ipv6.he.net/certification/ To get past your next phase (Enthusiast) you do have to spend some money - purchase a domain (the …


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  • IPv6 Up and Running - Dual-Stack connectivity with NSX-T

    calendar Mar 15, 2020 · 2 min read · eBGP VMWare Home Lab IPv6 Datacenter Networking iBGP Routing & Switching Studies BGP NSX-T  ·
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    The next step is to get IPv6 up and running with NSX-T! This should be pretty short - as with existing deployments of NSX-T, most of the difficult work is already completed. Here are a few preparatory steps to be performed before getting started: Ensure MP-BGP is on and that the data center fabric is running the …


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  • IPv6 Sage Certification with NSX-T, Part 1: Requesting an extended prefix

    calendar Feb 15, 2020 · 2 min read · eBGP VMWare Home Lab IPv6 Datacenter Networking Spine and Leaf iBGP Routing & Switching Studies BGP NSX-T  ·
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    As is probably obvious from the sidebar, I'm pretty enthusiastic about IPv6 - for quite a few reasons, not least of which is implementing a new Layer 3 protocol after guys like Vint Cerf already did most of the cool stuff. However, I didn't want to simply complete this task - most people complete all of these tasks …


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  • Why Automate, Part 1: Network Config Templating in Jinja2

    calendar Feb 1, 2020 · 5 min read · Datacenter Networking Spine and Leaf Routing & Switching Studies Ansible Jinja  ·
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    Let's answer the big question: "What's the answer to the ultimate question of life, the universe, and everything?" Kidding, it's easier to cover the question: "Why automate?" So let's get started! Here I'm going to start a few easy and quick ways to benefit from automation, with a slight networking …


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ENGYAK.co

A blog about IT

Disclaimer

The opinions expressed on this site are my own personal opinions and do not represent my employer’s view in any way.

Recent Posts

  • Automate DNS Zone Generation and Deployment with Ansible and Netbox
  • VM Deployment Pipelines with Proxmox
  • Starting from scratch with Netbox IPAM
  • Manage Linux patching with Ansible and Netbox!
  • Abstracting DNS Record Management with Ansible and Jinja 2
  • Build and Consume Alpine Linux vSphere Images
  • Apollo 13's "Failure is not an option", and how non-engineers misinterpret it
  • Internet Load Balancing with pfSense

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