A.STN業(yè)務(wù)可直接參照MSTP開通點(diǎn)對(duì)點(diǎn)透傳客戶以太網(wǎng)數(shù)據(jù)幀業(yè)務(wù)功能
B.STN業(yè)務(wù)可直接參照MSTP提供點(diǎn)對(duì)多點(diǎn)的以太網(wǎng)樹形業(yè)務(wù)功能
C.STN業(yè)務(wù)可直接參照MPLSVPN提供Hub&Spoke型VPN業(yè)務(wù)
D.STN業(yè)務(wù)不能直接參照MPLSVPN提供FullMesh型VPN業(yè)務(wù)