Ping works by sending one or more ICMP (Internet Control Message Protocol) Echo Request packages to a specified destination IP on the network and waits for a reply. When the destination receives the package, it responds with an ICMP echo reply.
How does ping works step by step?
The ping command first sends an echo request packet to an address, then waits for a reply. The ping is successful only if: the echo request gets to the destination, and. the destination is able to get an echo reply back to the source within a predetermined time called a timeout.
What does ping in Linux do?
The Linux ping command is a simple utility used to check whether a network is available and if a host is reachable. With this command, you can test if a server is up and running. It also helps with troubleshooting various connectivity issues.
How do I ping from Linux?
Click or double-click the Terminal app icon—which resembles a black box with a white “>_” in it—or press Ctrl + Alt + T at the same time. Type in the “ping” command. Type in ping followed by the web address or IP address of the website you want to ping.
What is ping and how it works?
Ping works by sending an Internet Control Message Protocol (ICMP) Echo Request to a specified interface on the network and waiting for a reply. When a ping command is issued, a ping signal is sent to a specified address. When the target host receives the echo request, it responds by sending an echo reply packet.
How do you read ping results?
How to Read Ping Test Results
- Type “ping” followed by a space and an IP address, such as 75.186. …
- Read the first line to view the server’s host name. …
- Read the following four lines to view the response time from the server. …
- Read the “Ping statistics” section to see the total numbers for the ping process.
How do you continuously ping?
Type “-t” after the IP address to run the ping continuously or ” -n x”, replacing x with the desired number of packets to be sent. Press Enter to begin the Ping.
How do you stop ping?
Press Ctrl-C to stop pinging. Following are sample results of the ping command: Normal response–The normal response occurs in 1 to 10 seconds, depending on network traffic.
What can I use instead of ping?
One alternative is to send a TCP ACK with tools like hping3 . If you get a RST, the server is UP. What you could do is try the CURL test first and on failure try the second method to confirm that the server is down and not just the web server daemon.
How do I ping a URL in terminal?
How to Ping a Website Using Either Windows or Mac Operating…
- Hold down the Windows key and the R key at the same time.
- In the RUN box, type in CMD and press OK. The Command Prompt will appear. Type in the address (or IP address you wish to ping). (In this example it was 10.0. 0.2), and hit Enter.