SRC Learning Essentials Video Series, Preparing for the SRA certification exams: Internet Access Usin Route Leaking Between VRF and GRT. This video describes how Internet access can be provided to CEs by leaking routes between the virtual routing and forwarding (VRF) table and the global route table (GRT). Viewers will learn how to configure and verify this VPRN based Internet access  approach on a Nokia Service Router.