Because RPR is a layer 2 MAC-based technology, it can operate over multiple physical layers, including SONET.
由于RPR是第二层基于MAC的技术，所以它能在多个物理层上工作，包括SONET。
In this chapter we will study the design principles for layer 2, the data link layer.
在这一章中，我们将研究网络第二层——数据链路层的设计原则。
The layer 3 switch technology which fits for the need of aggregation layer is a combination of the layer 2 switch technologies and routing.
三层交换技术将传统的二层转发和路由技术结合起来，特别适合汇聚层的需要。
This presentation focuses on how layer 2 VPN technology is being applied by many service providers to enhance the use of their converged networks.
本课程重点介绍众多服务提供商如何应用第2层VPN技术来改进他们的融合网络。
The underground elevating automation three-dimensional garage, is the full use plot underground space establishment new garage, its model for single-layer 2 berth.
地下升降式自动化立体车库，是充分利用小区地下空间设置的新型车库，其型号为单层2个车位。
The present invention relates to a method for protecting a network against a security attack from an user, and in particular, for a layer 2 switch, against a MAC flooding attack.
本发明涉及一种用于保护网络免于来自用户的安全攻击并且尤其是对于第2层交换机而言免于MAC洪流攻击的方法。
The GCV and ash-free caloric value (AFCV) decreased in the following order: lianas, tree layer 1, tree layer 2, shrub layer and herb layer. The AFCV differed among various components.
各层优势种平均干重热值和去灰分热值都表现为：层间藤本>乔木1层>乔木2层>灌木层>草本层。
In this paper, a new cluster management system is described by proposing a new protocol, with this protocol layer 2 and layer 3 switches can be managed in a cluster system seamlessly.
本文以协议的形式提出了一种新的以太网交换机集群管理方案，将二层交换机和三层交换机的集群管理无缝地结合在一起。
Layer 2: Enterprise components layer.
层2：企业组件层。
These switches, however, will cost more than Layer 2 switches.
但这些交换机要比第2层交换机贵。
This presentation focuses on troubleshooting of Layer 2 VPN technologies.
本课程将重点介绍如何对第2层VPN技术进行故障排除。
Since forwarding is done at Layer 2, all protocols can go transparently through a bridge.
由于是在第二层被转发，因此所有的协议均能透明的通过。
Which two methods are examples of implementing Layer 2 security on a Cisco switch? Choose two.
用什么办法可以实施思科交换器的二层安全特性？
In some scenarios, the MPLS label can be directly integrated with other Layer 2 protocol headers.
在某些情况下，mpls标签可直接与其他第二层协议的报头结合起来。
The flow properties used to determine the internal and outbound priority values may include, for example, Layer 2, Layer 3, and Layer 4 information encoded in the packet.
用于确定内部和出站优先权值的流量特性可以包括例如在分组中编码的第2层、第3层和第4层信息。
Companies traditionally have gained basic resiliency for their metropolitan Ethernet networks through a Layer 2 mechanism such as Spanning Tree or Layer 3 routing protocols.
传统上，各个公司是通过第二层机制(如生成树)或第三层路由协议，获得城域以太网的基本弹性。
Layer 2 bridging is prohibited between the AP adapter and any other adapters in the system. The same restriction applies to the VSTA adapter when it is present in the system.
在系统中，不允许在AP网卡和其他网卡之间建立二层桥接，这一限制对系统中的VSTA网卡同样适用。
Broadcom's exclusive wire-speed Layer 2 to Layer 7 application-aware security technology is designed to enforce secure policies based on a flexible variety of programmable rules.
Broadcom设计了独特的线速2层到7层对应用感知的安全技术，这一基于灵活可编程规则的技术加强了安全策略。
The utility model is characterized in that the outer surface or partial section of base material (1) of the shoe sole is provided with a flocked layer (2) with flocking technology, etc.
采用植绒技术等工艺在鞋底基材(1)的外表面或侧面局部上植制绒层(2)。
In addition, a metallic adhesive layer (3) can be provided between the metallizing layer (2) and the metallic final layer (4).
另外在金属化层(2)和金属最终层(4)之间可提供金属粘结层(3)。
The energy barrier formed between the organic compound layer (1) (102) and the organic compound layer (2) (103) thus can be lowered.
于是就能够降低形成在有机化合物层(1)(102)与有机化合物层(2)(103)之间的能量势垒。
The upper surface of the fluff layer (2) is provided with a pattern layer, thereby enhancing the aesthetic feeling of the mouse pad and meeting the requirement for individuation.
本发明在绒毛层的上表面设有图案层，这样可以增加鼠标垫的美感，满足个性 化的需求。
A first portion of the second layer (2) is transformed into a buried isolation region (15) comprising a first electrically insulating material.
将第二层(2)的第一部分转换为包括第一电绝缘材料的埋入绝缘区域(15)。
We point out security problems in layer-2 and layer-3 devices in IP networks and hidden troubles in the current versions of certain kinds of routing protocols.
指出了IP网络中二层网络设备和三层网络设备的安全性问题以及当前路由协议的一些安全隐患。
The scar eliminating silica gel film of the utility model (additional name ' a scar contact') comprises a bottom skin layer (1), a terylene net layer (2) and a mixed layer (3).
本实用新型所称的祛疤硅凝胶膜（又名“疤痕贴”），它包括底皮层（1）、涤纶网层（2）和混合层（3）。
The optical storage medium according to the invention USES a mask layer (2) as a super resolution near field structure, which comprises a doped semiconductor material.
根据本发明的光学存储介质使用作为超分辨率近场结构的掩模层(2)，该掩模层(2)包括掺杂半导体材料。
The optical storage medium according to the invention USES a mask layer (2) as a super resolution near field structure, which comprises a doped semiconductor material.
根据本发明的光学存储介质使用作为超分辨率近场结构的掩模层(2)，该掩模层(2)包括掺杂半导体材料。
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