CCIE SP MPLS FAQ: Running Frame-mode MPLS Across Switched WAN Media
Figure: MPLS Connectivity Across Frame Relay PVCs
Q1: Is it possible to run frame-mode MPLS across an ATM virtual circuit?
Q2. Which two frame-relay encapsulation methods can you use when running MPLS across a frame-relay VC?
Q3. When is it desirable to run frame-mode MPLS across an ATM VC?
Q4. When running MPLS across an ATM forum VC, which encapsulation must you use? Which encapsulation does not function and should not be configured?