From a name to a byte: five steps, and what each failure proves
Pressing enter sets off five chained steps; the shape of the failure says which one you reached, and which ones are pointless to test.
22 minutesTechnical content last reviewed on 20 Sept 2026
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What this lesson builds
- Narrowing an unknown failure to one component
- Choosing and reading a transport
- Working out why a service cannot be reached
End of the course
Configuring the network: an address that survives a reboot
Assigning what the earlier courses taught you to read: addresses, routes, MTU, bridges, bonds and translation rules — and making them persist.
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