After implement MPLS protocol for multiple VRFs on a single Cisco device, the engineer notices all VRFs on the router still do to not LDP session protection feature enabled. When configuration must…

Configuring LDP session protection globally would not apply the feature to LDP neighbors operating within specific VRFs, as VRF-aware LDP requires per-VRF configuration for many features.

While some features might require both global and per-neighbor configuration, LDP session protection for VRFs is typically managed directly within the VRF's LDP configuration, making a separate global setting plus per-neighbor redundant or incorrect for this specific scenario.

LDP session authentication is a security feature to authenticate LDP peers and is distinct from LDP session protection, which is designed to maintain sessions during interface disruptions; authentication does not enable protection.

To enable LDP session protection for LDP neighbors specifically within each VRF, the configuration must be applied within the context of the individual VRF. This ensures that the protection mechanisms are correctly associated with the LDP sessions relevant to that particular VRF.