When creating end-to-end TMPLS tunnel on T31 EMS, which of the following functions doe
A.Configure service encapsulation VLAN ID of the tunnel
B.Search ARP table for MAC according to next-hop IP and then encapsulate packets with the found destination MAC
C.Perform. end-to-end routing calculation according to IP of next-hop info
D.The equipment finds egress port of the tunnel directly according to IP of next-hop info