port triggering vs port forwarding

It may take 30 seconds or more to connect a computer to a vswitch before the computer can communicate over the network. If you are waiting for a long time, 30 seconds of waiting will make you feel very long. Let's take a look at how to accelerate the port initialization process of the switch. Understanding the process of vswitch port Initialization When a device is connected to an enabled switch

This article is for forwarding, simple and clear, I like.The configuration steps for Trunk ports are as follows:A set of network requirements:1. SwitchA and SwitchB with trunk interconnection, the same VLAN between the PC can exchange visits, different VLANs between the PC to prohibit mutual visits;2. Between PC1 and PC2 in different VLANs, by setting the upper layer three switch SwitchB VLAN interface 10 IP address for 10.1.1.254/24,vlan interface 20

Transferred from: http://www.codexiu.cn/nginx/blog/26217/ It is well known that Linux 0-1024 ports are not allowed to be occupied by non-root users. However, in Linux, because of security issues, the root user is forbidden to log on to the server, and does not give ordinary users sudo permissions In this case, Nginx can be enabled with a normal user, but also occupy 80 port First use the ordinary user to edit the installation Nginx I currently have

is not easy to implement E. two-layer security is used to prevent unauthorized access: --- access ports are used for ports connected to switches, and VLAN svi is configured on both ends-each switch ensures that there is only one interconnected interface for the interconnected vlan-layer switches must enable route forwarding, and two layer-3 switches (static or default) refer to each other's routes ), to achieve mutual access between the two sides of

[Serialization] C # design and implementation of communication (Serial Port and network) framework-6. Design of Communication Controller, Contents Chapter 6 Design of Communication Controller... 2 6.1 Controller Interface... 2 6.2 serial controller... 3 6.3 network controller... 5 6.4 Communication Control Manager... 9 6.5 remote interaction... 9 6.6 Summary... 10 Chapter 6 Design of Communication Controller After the introduction in the previous chap

Port ING only supports traffic forwarding and does not process application-layer data. Therefore, multi-channel protocols (such as FTP) are not supported ). 3 Sample code Follow the process above to implement Python as follows (we suggest looking forward from the back ): #-*-Coding: UTF-8-*-# tcp mapping created by huaow (huaow.com) at 2014-08-31import socketimport threading #

access the network, otherwise the switch does not give data forwarding, so as long as the computer login, must be fixed position. 2, Dynamic mode: The computer can randomly access the different ports of the switch, in the network access identity authentication, the dynamic extraction of the computer from the switch port information, dynamically with the Mac, IP and other information binding. Dynamic mean

Port 80 bound to Mac OS X, macos Mac OS X requires the ROOT permission to bind port 80. However, if you use the root permission to start eclipse or tomcat, all types of files created during startup are root and cannot be deleted by common users. Therefore, we can use pfctl for network-layer port forwarding so that requ

Note: Do not plan to use root user directly to run Node.js service! This will lead to an unpredictable security issue!However, using port 80 as the HTTP default port is a habit that has lasted since the age of Ms. People on the Internet talk about using Nginx as a reverse proxy, in fact, I do not think it is necessary to exaggerate, just use the root user to do a normal

address assumed to be 192.168.1.2. 4. When you finish setting up this menu, in the PressentertoconfirmoresCtocancel and then press the "enter" key to store the set value. in the address of IE, enter your router address, such as 192.168.1.1, carriage return. IE will pop-up windows require you to enter the router's login name and password Linksys the factory implied setting is, the login name is left blank (leaveitblank), the password is admin, and then click "OK" if the password is correct,

Tags: access trunk hybridAccess Port: General Connection Host only allowed with the port's PVID the same VLAN passed, received untagged data frame, forcing the port to be hit on the PVID the label; Trunk Port: Typically used for connections between switches passing between switches Tagged frame . Allow multiple VLANs to Pass, can be differ

This article from: http://www.cnblogs.com/showlie/articles/751737.html The reading and writing of serial data in SerialPort are quite different. Since the serial port does not know when data will arrive, there are two methods to read data from the serial port. I. Real-time reading of serial ports by threads; II. event triggering. Because the real-time readi

TP-LINK router is our commonly used network equipment, this paper for TP-LINK routing port ing problem, gives a detailed description of the operation, and gives a detailed description, I believe that after reading this article will be helpful to you. First, find the router address and the Intranet IP address of the user's computer. The hidden address of the TP-Link R460 router is 192.168.1.1. Open IE, ENTER the router address in the address bar, suc

In the past, the whole socket programming (VB6.0) sometimes forgot to close the socket when it was started again, it was reported that the port had been used. The method was to restart the system. Later, I saw that a port uniquely identifies an application.ProgramSharing port 80, so the world is not harmonious. To solve this major contradiction, as a 2B program

to the maximum number of MAC addresses that can be stored in the MAC address table of the switch. The more MAC addresses that are stored, the higher the speed and efficiency of data forwarding. However, each port of a 24-port Gigabit Switch of different grades supports a different number of MAC. Each port of the vswit

note is the number of MAC address tables. The number of MAC addresses refers to the maximum number of MAC addresses that can be stored in the MAC address table of the switch. The more MAC addresses that are stored, the higher the speed and efficiency of data forwarding. However, each port of a vswitch of different grades can support different MAC numbers. Each port