6509 switch

Android-Implementation of the simplest Custom button in history, android Switch Reprinted please indicate the source: http://blog.csdn.net/l1028386804/article/details/48102871 Most of the time, we have such an effect in many Android and IOS apps. There is a button, and we click it to slide it, "On" will be displayed, and "off" will be displayed. This is the switch button. For example, many functions of the

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement too much and improve the readability of our program, you can use the switch multiple judgment statement, In this chapter we will introduce you to the "switch state

In a switched network, how do you decide where to start looking for problems? It is very difficult to delve into the "perspective" of a switched network. First of all, in the 2-tier exchange or bridge forwarding, but to the 3-tier exchange has more advanced features and forwarding rules, such as VLANs. To the 4-tier exchange, it is more complex, there are more advanced forwarding and load balancing technology, fault diagnosis and resolution of troubleshooting needs more knowledge of

A layer-4 switch is a vswitch product developed through the layer-4 switch technology. A layer-4 switch is not so much a network device as a network management system. In recent years, with the popularization of Mbit/s, Gbit/s, and even Mbit/s, the wide application of Broadband LAN and even Bandwidth WAN has driven the continuous development of

With the increasing popularity of Mbit/s, Gbit/s, and even Mbit/s local area networks, broadband MAN networks and even broadband wide area networks are widely used. Whether it is Intranet, exclusive, or residential intelligent networks, it is increasingly expanding to massive amounts of information, it is forcing people to transmit audio, video, data and other information in the network system more and more demanding. With the rapid development of Internet, the use of e-commerce, e-government, e

Five, OpenFlow table This section describes the components that make up the flow table and the group table, and also includes the mechanism of the flow table "matching" and "action" processing. 5.1 Pipeline processing Process The switches that obey the OpenFlow protocol can be divided into two categories: one is openflow-only, the other is Openflow-hybrid. The openflow-only switch supports only OpenFlow operations, in which all packets are handled

In recent years, with the popularization of Mbit/s, Gbit/s, and even Mbit/s, the wide application of Broadband LAN and even Bandwidth WAN has driven the continuous development of switch technology. In enterprise applications, the rapid development of Internet, the adoption of e-commerce, e-government, e-trade, e-futures and other online trading methods, while accelerating logistics and capital flow turnover, it also accelerates the rapid increase of i

The superior performance and price of vswitches are greatly reduced, promoting the rapid popularization of vswitches. Network administrators often encounter a variety of switch faults at work. How can they quickly and accurately find and eliminate faults? This article briefly introduces common fault types and troubleshooting steps. As vswitches are widely used in the company's network, from the low end to the middle end, from the middle end to the hig

The concept of management is very important to all walks of life. If an enterprise cannot effectively manage it, the cohesion of the Enterprise will be very weak and the development of the Enterprise will be severely hindered; if an army is not managed, it will become a sandbox with no fighting power. If a network cannot be effectively managed, the use of such network resources will become messy. Therefore, it is very important to manage the network. For the management of the grass-roots layer i

What are the differences between hub, switch, router, and modem ??? What types of networks are available (local area, wide area, and enterprise )?How should the above components be connected for each network type? ========================================================== ============== Hub ------- a hub is also called a hub. It works on the physical layer (bottom layer) and does not have a matching software system. It is a pure hardware device. A hub

Gateway) Management VLANVlan10 JWC 192.168.1.0/24 192.168.1.254Vlan20 XSSS 192.168.2.0/24 192.168.2.254Vlan30 CWC 192.168.3.0/24 192.168.3.254Vlan40 JGSS 192.168.4.0/24 192.168.4.254Vlan50 JZX 192.168.5.0/24 192.168.5.254Vlan60 GLX 192.168.6.0/24 192.168.6.254Vlan70 JSJX 192.168.7.0/24 192.168.7.254Vlan100 FWQQ 192.168.100.0/24 192.168.100.254 server group VLAN I. access layer switch configuration. In this experiment, there are only two access layers

I believe many people know that layer-4 switches are commonly called Application switches in the industry. Here we will mainly introduce layer-4 switch technologies and functions. With the popularization of broadband and the deepening of various network applications, our local network is undertaking heavy business traffic. The amount of transmitted audio, video, data, and other information in the network system is full of bandwidth. We have to provide

With the advent of the Internet era, security issues have become an urgent issue. The existence of viruses, hackers, and various vulnerabilities makes security tasks extremely difficult in the Internet era. Vswitches play an important role in the enterprise network, usually the core of the entire network. In the network era where hackers are intruding into the cloud and the virus is raging, the core switch also takes responsibility for network securit