layer 2 network switch

Today, the tutor told me about the company's network topology, related to the switch, the basic concept of routers and principles, I am not very clear, so on the internet to learn the information to learn a bit, and then feel that this article is good, so it reproduced, but I reproduced not the original text, and did not attach the original link. Here I posted a link to my reprinted article: http://blog.csd

router.Example 2_ three-layer switch:On the other hand, if there are more floors and more switches, then a 3-tier core switch is needed to replace the router.------------------------------------------The principle of a 3-layer switch is simple: 1 routes are exchanged multiple times.Explanation: In a wide area

advent of the third-tier switching technology, there was little need to differentiate between routing features and routers, and they were all the same: Providing routing functionality was being done at the router, but now the third tier switches are fully capable of performing most of the traditional router's functions. As a network interconnection device, the third layer

How does a multi-layer switch realize interconnection between different network segments ?, Multi-layer switch Lab Name:How does a multi-layer switch implement intercommunication betwee

IntroductionTraditional routers have isolated networks, isolated broadcasts, routing and forwarding, and firewall operations in the network, and as the network continues to evolve, the load of routers is growing rapidly. One of the important reasons is that the VLAN (virtual local area network) technology is widely used in networks because of security and managem

Example: 3026 2012 5012. The value of 2nd bits is 0 ~ 4 indicates that it is a layer-2 switch. 3550. The fifth digit is 5 ~ 9 indicates that it is a layer-3 switch. LI (LitesoftwareImage) indicates that the device is a weak feature version. SI (StandardsoftwareImage) i

Performance Tests on layer-2 and layer-3 vswitches with 24 ports and all-gigabit vswitches have encountered many problems recently. Experts have said that QoS ensures port congestion, high-priority data is processed first. It makes sense to improve the utilization of 24 fully-gigabit switches with insufficient bandwidth. Three-tier competition

act as a route. It is a switch because it is extremely fast, almost reached the second-level switching speed. This is also the topic of this Article. What is layer-3 switching technology. Let's first introduce the OSI model, which is widely recognized as the Open System Interconnection Model OSI of the International Organization for Standardization (ISO). It is a hierarchical

-2 switches with vrouters. layer-3 switches can control IP addresses, making it easier to build large-scale local area networks.3. Differences from centralized layer-3 core exchangeDistributed layer-3, which can be managed to each grass-roots network, greatly reducing the ba

[Video] Big Layer 2 network technology analysis of data centers, Layer 2 of data centers In the dual-Active Data Center solutionBusiness Clusters, storage, and networksCross-Data Center cluster capabilities are also achieved. With data center virtualization, dynamic mig

The most characteristic of the access layer switch is that it has the flow control function, but it can only carry on the simple speed limit to each kind of flow through the port, the function is not quite complete. Using the grasping Bag tool, the author often captures the abnormal packets with large flow, which consumes the network bandwidth and consumes the r

information, high-speed network connection has become an essential prerequisite for the formation of campus network. 2. Diversity of information structure Campus network should meet the needs of different levels of application, can be divided into multimedia applications (Internet access, multi-media teaching, elect

Lab objectives:1. Master the configuration of the switch Tag VLAN;2. master the basic configuration methods of layer-3 switches;3. Master how to configure VLAN routing for layer-3 switches;4. layer-3 switches are used to implement VLAN visibility and mutual communication;Tec

layer of the Switch VLAN, not only can be manually configured, can also be automatically generated by the switch. After analyzing the packet, the switch automatically configures the VLAN and updates the members of the VLAN automatically. The third tier switches can work in a netwo