Sunday, 20 September 2026

Cisco ACI Contract Exceptions vs Subject Exceptions Explained with Examples and Configuration Guide

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Introduction Cisco ACI contracts are used to control communication between Endpoint Groups (EPGs). They provide application-centric security...
Saturday, 12 September 2026

Cisco ACI: How Overlapping L3Out Subnets Silently Hijack Contracts

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If you run multiple L3Outs in the same VRF on Cisco ACI, there's a classification behavior that catches a lot of engineers off guard: ex...
Sunday, 23 August 2026

CI/CD Pipelines for Cisco SDWAN: Automate, Validate and Deploy Network Changes with Confidence

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 Modern enterprise WANs are becoming increasingly software-driven. With Cisco SD-WAN, centralized management, policy-based configuration, AP...

CI/CD Pipelines for Cisco ACI: Automate, Validate and Deploy Network Changes with Confidence

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 Modern data centers are becoming increasingly software-driven. Network engineers are no longer limited to configuring individual switches t...
Thursday, 20 August 2026

How to Permanently Decommission a Leaf Switch in Cisco ACI Fabric: A Complete Guide for Network Engineers

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 ACI  leaf switch is more than simply unplugging cables and removing the hardware. The switch can be referenced throughout the fabric by pol...
Friday, 14 August 2026

Top 10 Cisco SD-WAN Multiple Choice Questions (MCQs) with Answers and Explanations

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 Cisco SD-WAN's (Viptela-based) architecture separates control, management, orchestration, and data planes in a way that's genuinely...