二层交换机

二层交换机上IGMPSnooping协议的实现研究

Research on the Implementation Technology of IGMP Snooping for the Layer 2 Switch

然后，详细讨论了二层交换机上组播侦听协议的实现技术，并对所实现的组播控制功能提出了自己的测试方法，给出了几种测试实例；

Secondly , it discusses how to carry out IGMP Snooping on the layer 2 switch devices in detail , and gives the testing method and several example .

二层交换机中MAC地址的学习、查找和老化方法

Studying Finding and Aging the MAC Address in the two-layer Switch

MAC地址表是以太网二层交换机中的一个重要数据结构，对MAC地址的学习和查找是实现以太网二层交换的必需功能。

The address table of MAC is an important data structure in the Ethernet two-layer Switch . When the switch exchanges the information , it must study and Find the MAC address with the MAC address table .

采用IGMPSnooping的方法，在二层交换机中设计一个基于VLAN和IGMP的多播协议，用于控制交换以太网中不断增长的IP多播流。

In this paper , a multicast protocol in an LAN switch , named IGMP snooping , is implemented based on VLAN and IGMP . IGMP snooping will be applied to the IP multicast stream control on the switch Ethernet .

第二层交换机的优点在于速度和成本。

The advantages of Layer 2 switches lie in speed and cost .

二层交换机中IGMP/MLD探听机制的原理分析

The Analysis of IGMP / MLD Snooping Mechanism for the Two-layer Switch

二层交换机转发帧的原理与实现

Principle and implementation of frame forwarding on the switcher

在硬件电路初步调试完成之后，主要工作量集中在单板二层交换机功能的开发和封装映射芯片的配置，以及单板控制软件的编写。

After the finish of hardware design and debugging , the main job is to design software including the register configuration of switch and key chip , board-manage software .

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。

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 .

本文通过对二层交换机、三层交换机工作原理的分析，从网络拓扑结构、网络带宽、网络优化三个方面探讨了构建三层交换以太网的设计。

This paper analyses the operational principle of layer 2 switch and layer 3 switch , and discusses the design of layer 3 switching Ethernet from three aspects of network topology , network bandwidth and network optimization .

针对多媒体在交换机上实现阶组播的必要性，探讨了在二层以太网交换机上主要的组播协议：IGMP侦听协议和GMRP协议。

In this paper , several multicast protocols ( IGMP Snooping and GMRP ) on layer 2 switch are discussed .

二层以太网交换机上组播协议的实现

Study on Realization of Multicast Protocols on Layer 2 Switch

嵌入式二层以太网交换机的开发与应用

Design and Application of Embedded Layer 2 Ethernet Switch

第二代第3层交换机增加了先进的硅技术，大大地提高了整体性能。

Second-generation Layer 3 switches added advanced silicon technology to boost overall performance dramatically .

本文通过OSI模型的第二层的特点，分析了二层交换机存在的安全隐患，提出了相应的解决办法。

The text introduce the inborn feature of 2nd layer in OSI 7 layer model , analyse the most security hole in layer 2 switch , and recommend the corresponding solution accordingly .