How to Configure OSPF on a UniFi Router (UDM Pro Tutorial + CLI Verification)

What's up guys! UniFi does support OSPF! But there's a catch. If you’re expecting full enterprise-grade visibility through the GUI you thought WRONG. In this video, I’ll show you how to configure OSPF on a UniFi UDM Pro (or any supported Ubiquiti router), break down how UniFi actually handles OSPF under the hood, and walk you through verifying your config using the command line.

Whether you're a beginner learning about OSPF or an experienced network engineer trying to understand how UniFi uses FRRouting (FRR) behind the scenes, this guide will walk you through it step by step.

Chapters:
0:00 Intro
0:45 Network Diagram Overview
1:47 Set Up OSPF in the UniFi GUI
5:46 Enable SSH on Your UniFi Router
6:22 How UniFi Really Runs OSPF
7:42 Check Your OSPF Config in JSON
8:26 View Live OSPF Status with VTYSH
8:56 Inspect the OSPF Database
9:00 See OSPF Neighbors
9:18 View OSPF-Advertised Routes
9:26 Check Routes in the Routing Table
9:57 Capture OSPF Traffic with tcpdump
11:13 OSPF Issues I Hit (UDM OS Bugs)

What You’ll Learn:
How to enable and configure OSPF on UniFi routers
How OSPF is managed using the FRRouting suite (FRR)
Where UniFi stores OSPF config files
How to use vtysh to verify neighbors, LSDBs, and routes
Troubleshooting OSPF on the UniFi UDM Pro

Have questions? Drop them in the comments — I respond!

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