Archive for the ‘networking’ tag
What does the “pipe” value mean in the output of “ping”?
When you use the ping command, sometimes you get a “pipe” value at the end of the rtt statistics. So what does this mean? I had to dive into the actual ping source code to find out. Here it is 
The “pipe” number is the maximum number of echo request packets that have been under way at one time, without having been answered by an echo reply packet (but did get answered in the end).
Normally, ping will send a so called echo request, wait for a second an then send the next echo request.
When it has sent the second echo request before the first has been answered, the pipe number is raised Read the rest of this entry »
