Testing Connectivity with ping, traceroute, and telnet
Lesson 3: Checking Connectivity with Ping
While checking a host’s IPv4 settings can be important, the final true test for hosts is whether the host applications can communicate like they should. Can the user open a web browser and connect to websites? Does email work? Can all those apps on a smart phone connect through the Internet?
This last section of the chapter looks at some connectivity testing tools that ask a simpler but cleaner question: Can a host send packets to another host, and can that host send packets back? The user applications cannot work until the two hosts can send packets ...
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