What is the primary purpose of VRF in routing?

• A. VRF creates multiple independent routing tables on a single device
• B. It encrypts routing updates
• C. It disables route forwarding
• D. It merges all routing tables into one

Answer: (A)

VRF lets you create separate routing contexts within a single router. Each VRF is its own routing table with its own set of routes, networks, and forwarding decisions, and interfaces are tied to a specific VRF. This means traffic is looked up in the correct table, allowing multiple tenants or overlapping IP spaces to coexist without interference. Routes in one VRF stay isolated from those in another, providing clear separation and control over who can reach what.

The other options don’t fit because VRF doesn’t encrypt routing updates—that’s handled by security features outside of VRF. It doesn’t disable route forwarding; it enables per‑VRF forwarding based on the appropriate routing table. And it doesn’t merge all routing tables into one; it intentionally keeps them separate to maintain isolation.