In this section, we'll take a look at how ICMP is useful to network engineers and what some of the different types of ICMP are and what they mean.
The first thing we will do is create some ICMP packets. For that we will create a ping request, which is a type of ICMP.
So, let's go ahead and start the capture, and we'll go ahead and ping Google again:
Each one of the replies is a series of ICMP requests and responses.
Stop the capture and we'll apply an icmp display filter:
As shown in the preceding screenshot, these are all of ...
