In complex retail or banking environments, maintaining strict network segmentation is a regulatory and security requirement. Prisma SD-WAN utilizes Virtual Routing and Forwarding (VRF) to provide this isolation, ensuring that high-security traffic, such as ATM transactions or teller cash registers, remains logically separated from Guest Wi-Fi or general corporate applications. While isolation is the default state, route leaking is used to allow specific communication between these VRFs---for instance, allowing multiple isolated segments to reach a common shared service like a DNS server or a centralized security gateway.

To verify that these configurations have been correctly pushed from the Controller to the local ION device, administrators utilize the ION CLI (Command Line Interface) for deep-dive diagnostics. The command inspect vrf route_leak_rule all is the definitive tool for this purpose. Unlike 'show' commands which typically provide interface status, 'inspect' commands in the Prisma SD-WAN ecosystem are designed to pull real-time operational state data from the control plane's internal databases.

When executed, this command displays the specific prefix-level rules that allow routes to 'leak' from one VRF table into another. It provides visibility into the source VRF, the destination VRF, and the exact network prefixes or default routes being shared. This is critical for troubleshooting 'Day 2' operations; if a teller register cannot reach a shared database, the administrator can use this command to confirm if the necessary route leak rule is active and accurately reflecting the intent of the VRF Profile configured in the portal. Without this command, verifying inter-VRF reachability would be limited to trial-and-error connectivity tests, making it an essential part of the Prisma SD-WAN engineer's toolkit.