N10-009 · Question #391
Users report connectivity issues after a network switch is replaced. There are three separate subnets for users, voice, and servers. The users cannot reach the resources in the server subnet. Upon…
The correct answer is C. VLAN misconfiguration. Since users cannot reach resources in the server subnet and this occurred after a switch replacement, a VLAN misconfiguration is the most likely cause. This could mean the new switch is not properly configured to allow traffic between VLANs for users and servers. The discarded…
Question
Users report connectivity issues after a network switch is replaced. There are three separate subnets for users, voice, and servers. The users cannot reach the resources in the server subnet. Upon investigation, a separate voice switch has thousands of discarded packets, but no users report issues making or receiving calls. Which of the following is most likely the issue?
Options
- AIncorrect cable
- BPort administratively disabled
- CVLAN misconfiguration
- DDuplex setting
How the community answered
(43 responses)- A7% (3)
- B9% (4)
- C65% (28)
- D19% (8)
Explanation
Since users cannot reach resources in the server subnet and this occurred after a switch replacement, a VLAN misconfiguration is the most likely cause. This could mean the new switch is not properly configured to allow traffic between VLANs for users and servers. The discarded packets on the voice switch may be due to misrouted traffic or tagging issues, though voice calls are unaffected, suggesting QoS is working, but unnecessary traffic is being dropped.
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