L2TP encapsulates PPPframes to be sent over IP, X.25, Frame Relay, or Asynchronous Transfer Mode (ATM)networks. When configured to use IP as its ... N Overview 被引量: 1发表: 2015年 WIRELESS NETWORK TRAINING LAB WNL24 L2TP Interface* PPPoE* PPTP* VLAN Interface* Traffic Flow* SNMP Se...