Layer 8
Noun · Slang & Abbreviations
Definitions
A humorous imaginary extra network layer representing the human user or organizational behavior as the real source of the problem. In engineering slang, blaming layer 8 is a joke that sometimes reveals an actually useful truth about system design.
In plain English: A joking way to say the human factor is the real issue.
Example: "The packet trace was clean, so the ops lead joked it was a layer 8 issue and then correctly found the root cause in a bad manual runbook step."