FGTENT-014 BGP AS PATH PREPEND 01| FortiGate Firewall Configuration Step by Step
In this video, I demonstrate how to manipulate BGP routing decisions using AS Path Prepending with prefix-lists and route-maps across four BGP tunnels.
You’ll see how multiple tunnels advertising the same routes can be controlled by increasing AS path length, allowing you to influence inbound traffic flow and prefer specific paths.
🔧 What’s covered in this video:
Multi-tunnel BGP design (4 tunnels)
Prefix-list creation and usage
Route-map configuration for BGP
AS Path Prepend for route manipulation
Traffic path control and routing behavior analysis
Verifying BGP path selection
This is a practical, lab-based walkthrough using real CLI configuration, perfect for network engineers, BGP learners, and FortiGate / enterprise routing labs.
👉 Part of my BGP & ADVPN lab series — check the full playlist for step-by-step progression.
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