Operations | Monitoring | ITSM | DevOps | Cloud

Ever “pinged” a server and wondered what those milliseconds actually mean? If you’re a network admin or IT pro, you already use ping as a quick sniff test. But ICMP is more than a green checkmark or a scary timeout. In this article, we’ll define ICMP, walk through how echo requests and replies work, and show how to turn basic pings into useful network and ICMP monitoring.

When it comes to running a reliable IT infrastructure, network devices are at the center stage. They sit quietly in the background (routing packets, securing traffic, and keeping teams connected) until something goes wrong. The truth is, without them, nothing works. Every network device has a specific role: some connect users, some protect data, others balance traffic or bridge different protocols.