Layer 2: Enterprise components layer.
层2：企业组件层。
What is the most common Layer 2 device?
最常用的2层设备是什么？
Replace the Layer 2 switch with a router.
以一个路由器代替层2开关。
In the Layer 2 header, there is no Time To Live (TTL) value.
在第2层的表头里并没有存活时间(ttl)的设定值。
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 essentially allows Layer 2 devices to route Ethernet frames.
这实质上允许第2层设备以太网帧。
Note: With both commands, the KBPS value should take the Layer 2 overhead into account.
注意：用两个命令，kbps值会计算在二层报头上。
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。
System generally adopts double redundancy mode, divided into ZhanJi spacing layer and layer 2.
系统一般采用双机冗余模式，分为站级层和间隔层2层。
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。
It also covers Layer 2 overhead for packets matching defined traffic classes or the class-default class.
它也包括第二层数据包包头匹配定义的话务类别或class-default类（class）。
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。
The McDonald's may be bigger, upstairs there is a layer 2 balconies, can accommodate nearly 800 individual meals.
这家麦当劳可大了，楼上2层还有一个露台，可容近800个人用餐。
A leaf-spine topology can be layer 2 or layer 3 — the links between the leaf and spine layer can be switched or routed.
叶刺拓扑可以一层一层2或3，叶子和棘层之间的联系可以交换和路由。
For example, if a multilayer switch supports IP, then IPX packets can only be switched at layer 2 not routed at layer 3.
例如，若某台多层交换机支持ip协议，ipx包则只能在第二层上交换，不能在第三层上规定路由。
This design topic is a multi-storey industrial building for The development zones of Wenzhou shoes, The main building is 4 floors, local Layer 2 and 5 layers.
本次设计为温州鞋都开发区多层工业厂房建筑、结构设计。该建筑主体为4层，局部2层以及5层。
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。
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。
The six Mitsubishi lifts, a fire lift, direct access to underground layer 2 to 24 floors on the ground, with the perfect combination of quality in Colleges and universities.
六部三菱电梯，一部消防电梯，直达地下2层至地上24层，品质与高校完美组合。
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。
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。
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。
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。
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