A Better Way to Test Network Connectivity

Published at February 2, 2021 ·  7 min read

It’s pretty much inevitable: I run across Reddit posts, support requests at work, or just general complaints from friends that they can ping something but they still can’t connect to it or some similar story. People always seem confused by this when it happens. But it underscores a problematic teaching that I see perpetuated on a regular basis: the idea that ICMP connectivity is somehow valid for the “rest of the connectivity” for a device on the network....