您要查找的是不是：
- 三层VPN layer3 VPN
- 二层VPN L2 VPN
- 层 layer
- 基于IPSec的网络层VPN技术 VPN Technologies based on IPSec
- 三层刺网 trammel net
- VPLS技术将MPLS技术和以太网技术结合起来,它将地理位置分散的以太网用户通过服务提供商的MPLS骨干网络连接起来,组成一个二层VPN,对用户来说,就好像连接在一个真正的局域网中。 VPLS provide connectivity between geographically Ethernet customers across service provider's MPLS backbone network, as if they are connected by a true common LAN.
- 三层甲板的船 a three-decker
- 三层布料 three thickness of cloth
- 教室在三层。 The classroom is on the second floor.
- 我们上了大楼的三层。 We went up to the third floor of the large building.
- 三层布 three-ply cloth
- 三层纸 three-ply paper
- 三层厚 threeply
- 三层块 three fold block
- 成三层 [机] treble
- 三层PE 3 -ply PE coating
- 三层环 shellring
- 三层结 three-layered node
- 三层C/S three - tier Client/Server
- 三层栈 three layer stack
