← 문제 라이브러리
Network Intermediate NETWORK-070 · 18 min

DHCP snooping uplink trust is missing after a switch replacement and clients lose gateway access

무료
시나리오

Access ports still look normal, but ARP and DHCP behavior collapses because the new switch never restored the trusted uplink role toward the real infrastructure path.

먼저 볼 것
  • Identify the primary failure signal in the Access Edge Trust Drift scenario.
  • Separate visible symptoms from the underlying technical dependency.
  • Describe the safest recovery path and the follow-up prevention work.
점검 체크리스트
  1. Summarize the current impact and the last known change.
  2. Collect direct evidence from logs, runtime state, and configuration before changing anything.
  3. Separate immediate recovery from permanent prevention work.
복구와 재발 방지

Choose the smallest safe recovery action first, then record the prevention work that reduces repeat incidents.

같이 보면 좋은 질문
Should I translate commands, logs, or product names?

No. Keep commands, logs, file names, APIs, and product names unchanged, then explain the reasoning in the selected UI language.

What should the answer focus on?

State the root cause, the evidence that supports it, and the safest recovery direction.

Why can the scenario remain in the original language?

The source scenario is treated as an incident artifact. Guidance, checklist, hints, and explanations can be localized around it.