A. PathErr : Path error B. ResvErr : Reservation error C. PathConfTear : Path confirmation teardown D. ResvConf : Reservation confirmation E. ResvConfTear : Reservation confirmation teardown
A. Link-mode B. Dense mode C. Sparse mode D. Sparse-dense mode
A. MPLS LSP B. ATM tunnel C. GRE tunnel D. IPSEC tunnel E. L2TPv3 session