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Comparison between dynamic routing protocol RIP and OSPF: Three criteria for dynamic routing (IGP): good routing, fast convergence and less link resources Dynamic routing protocolRoute selectionconvergenceOccupied resources RIPThe number of hops is used as the overhead value in routingThe convergence rate is based on the timerLess occupation ...

The prompt Address already in use must have been encountered. How can we quickly find and solve the problem? Here are several postures to learn about When troubleshooting network connectivity or application specific problems, one of the first things to check should be which ports are actually used on the system and which application is liste ...

(all notes are from C# official documents) address) Network related common interfaces Get local IP //Obtain IP through network interface description public static string GetLocalIP_LAN80211() { //GetAllNetworkInterfaces returns an object describing the network interface on the local computer. fore ...

WeChat official account: operation and development story: Author: Joker summary In the monitoring system, we usually think that monitoring is divided into white box monitoring and black box monitoring. Black box monitoring: the phenomena mainly concerned are generally things that are happening. For example, if an alarm occurs and the ser ...

Five chains and four tables Concept of chain After iptables is enabled, the data message will pass through five checkpoints from entering the server to exiting, namely pre routing, input, output, forward and post routing There are multiple rules in each level. Data packets must match these rules one by one in order. These rules are connect ...

1. What types of remote login are available At present, remote login is mainly divided into text interface and graphic interface. Text interface plaintext transmission: Telnet, RSH, etc.Text interface encryption: mainly SSH, which has basically replaced Telnet and RSH.Graphic interfaces: XDMCP, VNC, XRDP, etc. are common. Plaintext and encry ...

Self use ~ do not spray 4.1.1 overview of network layer functions *Overview of network layer functions The packet is transmitted from the source end to the destination end to provide communication services for different hosts in the packet switching network *Network layer functions 1.Routing and forwarding 2.Heterogeneous network int ...

What is a mail server? E-mail is an information transmission behavior that uses the network to transmit information to remote servers. We can send files or information to any place on the earth where there is a network, and we can also connect to the internet to receive mail anywhere there is a network. However, there are some problems: 1. Ema ...

This task can be verified on BTC Testnet. When we really need something memorable and want to record it on the main network, we can operate in the same way. However, it is necessary to purchase cash withdrawal from the exchange. The process should be more complex, and there are also cash withdrawal handling fees in the middle. First, we get th ...

task Except that the loopback address of R5 is fixed, all other network segments are reasonably divided into IP addresses based on 192.168.1.0/24R1-R4 each router has two loopback interfacesThe static route to 5.5.5.0/24 cannot be written directly on R1-R4, but it can still be accessedThe whole network can be reached, and the entries in th ...