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NetWithAlex

Hey, I'm Alex 👋
Network engineer specializing
in Cisco SD-WAN

I share practical, hands-on content about SD-WAN, network automation, and enterprise networking. Explained clearly, built from real production experience. Stop watching, start doing.

CCIE Enterprise Infrastructure #66705 Cisco SD-WAN UX 2.0 Network Automation & Python
in ▶ ✉
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How I can help you
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Free · Blog

Technical Articles

Deep-dives on SD-WAN concepts, configuration, troubleshooting, and automation. Written for engineers who want to actually understand what's happening.

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Course

Mastering SD-WAN UX 2.0

Configuration Groups, Policy Groups, and topology management — from concepts to hands-on deployment. With lab files and running configs.

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Tools & Guides

SD-WAN Reference Tools

Interactive migration maps, PDF guides, deployment checklists, and lab files. Built for engineers who need answers fast, not another doc to read.

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Latest from the blog

Configuration Groups in Cisco SD-WAN: What They Are and Why They Matter

Learn what Configuration Groups are in Cisco SD-WAN UX 2.0, how they differ from templates, and why they simplify deployments.

April 5, 2026 · 5 min · Alex

Cisco SD-WAN Policy Guide (2026): UX 2.0 Update

Updated SD-WAN policy guide: understand Policy Groups, Topology and Application Catalog in Catalyst SD-WAN UX 2.0.

December 4, 2025 · 5 min · Alex

TLOC Extension in Cisco SD-WAN: Design & Configuration

Learn how Cisco SD-WAN TLOC Extension works, its use cases, configuration steps, and best practices to improve resiliency and optimize WAN resources.

August 15, 2025 · 8 min · Alex

Reload vs Upgrade: Case Study

Through this case study we will explore an interesting behavior observed when we upgrade devices through the SD-WAN Manager that could cause potential traffic issues. We will also see how to mitigate this risk using BFD.

August 1, 2025 · 8 min · Alex

Simplifying Tunnel Management with Tunnel Groups in Cisco SD-WAN

Learn how Tunnel Groups in Cisco SD-WAN simplify tunnel management at scale. Discover how they work, how they differ from control policies, and when to use them with real-world examples.

July 15, 2025 · 9 min · Alex

Quick Guide: Control vs Data Policies in Cisco SD-WAN

Learn the key differences between Cisco SD-WAN control and data policies, when to use each, and how they impact routing and traffic forwarding

July 1, 2025 · 4 min · Alex

Getting Started with SD-WAN Automation

Learn the fundamentals of SD-WAN automation and how to get started with scripting and APIs to streamline your network operations.

June 16, 2025 · 6 min · Alex

AppQoe Series: Packet Duplication

Learn how Packet Duplication can help you reliably transmit critical traffic over unreliable transports to making sure your application.

June 3, 2025 · 6 min · Alex

AppQoe Series: Forward Error Correction (FEC)

Learn how Forward Error Correction (FEC) works in Cisco SD-WAN to improve application performance over lossy links. Explore use cases, configuration insights, and testing results.

May 19, 2025 · 7 min · Alex

Cisco SD-WAN On-Prem ZTP: Automating Router Onboarding

Plug and Play (PnP) lets you onboard SD-WAN devices automatically via Cisco Cloud. This post explains how to achieve zero-touch provisioning (ZTP) in an airgapped, on-premises environment.

May 5, 2025 · 7 min · Alex
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