// Cloudflare Blog · 5 March 2026

How Automatic Return Routing solves IP overlap

Automatic Return Routing (ARR) solves the common enterprise challenge of overlapping private IP addresses by using stateful flow tracking instead of traditional routing tables. This userspace-driven approach ensures return traffic reaches the correct origin tunnel without manual NAT or VRF configura...

Cloudflare Blog

@cloudflare-blog · Steve Welham

blog.cloudflare.com

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