MPLS has the concept of forwarding equivalence classes, and what is the role of forwarding equivalence classes?

MPLS has the concept of forwarding equivalence classes, and what is the role of forwarding equivalence classes?
A . Forwarding equivalence class determines how tags are added to the LS
C . Forwarding equivalence class determines how to establish an LSP path
D . Forwarding equivalence class determines how IP datagrams are forwarded on MPLS LSPs.
E . Forwarding equivalence class determines the correspondence between LSP and IP data packet groups

View Answer

Answer: D