Migration Considerations: Legacy Routing Engine (LRE) to Advanced Routing Engine (ARE) : A Modern Routing Evolution

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Unlock the Future of Routing: Migrate to Palo Alto Networks' Advanced Routing Engine (ARE)

Ready to evolve from the Legacy Routing Engine (LRE) to the Advanced Routing Engine (ARE)? This guide walks you through the migration from LRE’s Virtual Routers (VRs) to ARE’s Logical Routers (LRs), which leverage shared, reusable routing profiles for consistent, modular, and standards-aligned configurations.

Inside the attached PDF, you’ll find a step-by-step roadmap to migrate NGFW configurations from Gen-3/Gen-4 (LRE-only) to ARE-only Gen-5 hardware, ensuring your network is dynamic, scalable, and built for the future.