Reading ipconfig /all in depth
Every field in ipconfig /all that matters for diagnosis: DHCP state, lease times, APIPA, multiple adapters, IPv6 addresses, DNS servers and suffixes.
- Level
- Beginner
- Length
- About 40 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 1 Oct 2026
Skills you'll practise
- Identify the active adapter and ignore disconnected or virtual ones
- Spot APIPA, missing gateways, wrong masks and unexpected DNS servers
- Read lease times and the DHCP server to judge whether DHCP is healthy
- Explain how the DNS suffix search list affects short-name lookups
Course outline
- 1.Reading ipconfig /all in depthVideo · 5 min
- 2.Finding the adapter that mattersLesson · 12 min
- 3.Leases, APIPA, IPv6 and suffixesLesson · 14 min
- 4.Several adapters at once: metrics and the default routeLesson · 13 min
- 5.Reading ipconfig /all in depth: knowledge checkKnowledge check · 15 questions
- 6.Reading ipconfig /all in depth: practical exerciseKnowledge check · 1 question
- 7.169.254 address on one deskScenario
- 8.Final exam7 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
- Microsoft Learn: ipconfig command reference
- RFC 3927: Dynamic Configuration of IPv4 Link-Local Addresses
- RFC 4291: IP Version 6 Addressing Architecture
See it with your own jobs and topics
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