多选题Which three mechanisims support the forwarding plane of a Layer 3 VPN in JUNOS software? （）AMPLS LSPBATM tunnelCGRE tunnelDIPSEC tunnelEL2TPv3 session
题目
多选题
Which three mechanisims support the forwarding plane of a Layer 3 VPN in JUNOS software? （）
A
MPLS LSP
B
ATM tunnel
C
GRE tunnel
D
IPSEC tunnel
E
L2TPv3 session