The Ping tab provides access to one of the most basic troubleshooting tools in the network world. The Ping program uses the Internet control message protocol (ICMP) to send a packet to a remote device, then it listens for the device to respond. The Ping tab window is shown in Figure 14-9.

Enter the IP address or hostname of the remote host you want to ping, then set the number of ping requests you want to send (or select the Unlimited Requests radio button to send requests continually until you click the Stop button). After you've made your selection, click the Ping button to start the test.

Figure 14-9: The Ping tab window.

The Ping program sends the ICMP requests to the remote host and determines the amount of time it takes for the request to return from the remote host. It creates a graphical histogram of each request time and provides statistics on the minimum, maximum, and average times. Clicking the Details arrow produces a list of the individual test results.

The Ping program is useful in troubleshooting network latency. Network latency is how much delay occurs when sending packets across the network to a specific host. Often you can troubleshoot network routing problems using the Ping program.


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