Apply identify common network devices, components, and functions within the approved work order, verify Local area networks; Wireless topology; Lightweight WLAN, preserve pre-change and post-change evidence, and escalate anything outside field authority.

Treat every network, endpoint, and platform component as an interchangeable router and replace the first reachable chassis.

Ignore addressing, media, forwarding, role, and topology evidence because the dispatch uses a generic network-fault label.

Redesign the customer topology before identifying the installed component and the authorized field boundary.