Field notes · Jaen Baldwin
Not every network fault calls for a rebuild.
A bad cable, a wrong setting, or a single overloaded component may need a focused repair. A redesign becomes a different conversation when recurring problems follow the structure of the environment.
Look at the pattern
I want to know what changes before the fault appears, which devices are affected, and what still works. If unrelated systems fail together or each addition requires another exception, the design deserves a closer look.
Check the physical path
The diagram should match the equipment and cabling. Uplinks, unmanaged switches, unexpected loops, and unknown devices can change what the configuration appears to mean. A clean rack helps maintenance, but appearance is not a network test.
Decide what needs to stay
A good redesign does not begin by discarding every device. Identify useful equipment, application requirements, existing access, and the parts of the design that are doing their job.
Plan the transition
Staging, configuration backups, management access, application checks, and rollback belong in the design. The new network is only part of the job; getting the business onto it is the other part.
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