Subscribing Network Insights Kafka Producer to a Kafka topic and streaming events to a Kafka Consumer

Applications frequently need to talk to other applications.  As an example Application A gathers some data and Application B needs to do some custom processing with the output of data from Application A.  When Applications that are split in functionality need to exchange data between each other, there are generally 2 kinds of ways to … More Subscribing Network Insights Kafka Producer to a Kafka topic and streaming events to a Kafka Consumer

Jenkins /Ansible for ACI Orchestration and for Automated Configuration Sanity Check / Pre-verification with NAE/ND and Git integration

Jenkins is an open-source Continuous Integration server written in Java.  With Jenkins you can send configurations to devices using Ansible/Terraform/Bash/Shell/SSH and a variety of other methods / scripts to any device.  Jenkins is very commonly used by developers for creating/testing/deploying code and is an integral part of Infrastructure As A Code.  Jenkins can also orchestrate … More Jenkins /Ansible for ACI Orchestration and for Automated Configuration Sanity Check / Pre-verification with NAE/ND and Git integration

Using ESGs (Endpoint Security Group) in ACI fabric to migrate from Network Centric to Application Centric

In Release 5.0 of ACI a new feature, ESGs was released.  This feature effectively allows us to decouple the security policy construct FROM EPGs which have a relationship to BDs  TO  ESGs which have a relationship to VRFs. I had planned to read up on this feature and rewrite the previous article that I had … More Using ESGs (Endpoint Security Group) in ACI fabric to migrate from Network Centric to Application Centric

Introduction To Cisco Nexus Dashboard And Installation, Integrating With Radius, Configuring Intersight And Site Onboarding

Updates: 5/18/2021:  Deciphering ND Licensing 4/14/2021:  Please use Release 2.0.1d,  not release 2.0.1b (which got deferred)  On CCO downloads, please search for Nexus Dashboard.  2.0.1d can be found at: https://software.cisco.com/download/home/286327743/type/286328258/release/2.0(1d) 2.0(2) should be out anytime now By Now you are probably already familiar with Cisco Application Service Engine.  We had previously written some articles on … More Introduction To Cisco Nexus Dashboard And Installation, Integrating With Radius, Configuring Intersight And Site Onboarding

Understanding ACI TCAM Utilization & Optimization

Being organized and creating consistent configurations is a great virtue in the Networking / SDN / Cloud and computing field.  ACI is no exception to that rule.  Haphazard, Inconsistent and thoughtless configurations will increase your work and complexity/understanding of your infrastructure once your  Fabric grows.  In addition it will make it more prone to failures … More Understanding ACI TCAM Utilization & Optimization

Upgrading ACI Fabric and MSO, Please Read This first.

This article is meant to point out items that you should pay attention to before upgrading your ACI Fabric and MSO Controllers.  The items listed here have been gained through first hand experience where I got pulled in to help customers upgrade and in some cases escalations, where customers had a “not such a smooth … More Upgrading ACI Fabric and MSO, Please Read This first.

Cisco cAPIC / Native Azure API Management for serverless Architecture integration

In this post, I will show how to Integrate Cisco Cloud ACI Fabric with Native Azure APIM. From cAPIC release 5.1.2 Native Azure Services are supported for cAPIC integration. Previous to this release EPGs were identified by label matching only (ip /region/custom label). For that reason, Native Azure Service support was not possible. This meant … More Cisco cAPIC / Native Azure API Management for serverless Architecture integration