Ping is a computer network tool used to test the reachability of a host on an Internet Protocol (IP) network. Ping operates by sending Internet Control Message Protocol (ICMP) echo request packets to the target host and waiting for an ICMP echo reply. The program estimates the packet loss rate and packet round-trip time (round-trip delay time) based on time and successful responses.
In December 1983, Mike Muuss wrote the first such program for troubleshooting IP network problems. Because the program works like a submarine's active sonar, he named the program based on the sound of the sonar. David L. Mills once proposed another name: Packet Internet Grouper/Gopher (the latter refers to gophers).
Web administrators often use ping as a verb, like "ping computer XXX to see if it is on."
What is the function of Ping IP?
Executing the ping command will send a test packet to a network address to check if the network address responds and report the response time, so as to measure the network connection status and analyze the network speed. If ping runs correctly, you can generally eliminate the error in the network access layer, network card, input and output lines of the optical modem, cables, and routers, thereby narrowing the scope of the investigation. You can use ping under Windows, Unix and Linux systems. The application format is Ping + space + IP address, for example, ping 184.108.40.206.
What is the meaning of the information returned by Ping IP?
Bytes: indicates the size of the sending packet.
Time: response time. It represents the connection speed between the computer and the server. That is the time required for the client to send data to the server and then return the data to the client. Time is reported by milliseconds (ms). The less time required, the faster the speed is.
TTL: time to live. It indicates how long the DNS records are stored on the DNS server. It is a value of the IP protocol packet that tells the router when the packet needs to be discarded. You can preliminarily determine the type of the target host system by the TTL returned by Ping. Typically, the TTL value of the Windows system is 100ms~130ms; the TTL of the UNIX/Linux system is 240ms~255ms.
Wikipedia : Ping (networking utility)(en)
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software.
Ping measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source. The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water.
Ping operates by sending Internet Control Message Protocol (ICMP) echo request packets to the target host and waiting for an ICMP echo reply. The program reports errors, packet loss, and a statistical summary of the results, typically including the minimum, maximum, the mean round-trip times, and standard deviation of the mean.
The command-line options of the ping utility and its output vary between the numerous implementations. Options may include the size of the payload, count of tests, limits for the number of network hops (TTL) that probes traverse, interval between the requests and...🔗 Ping (networking utility) ( en )
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