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CCNP Practice Question: Is troubleshooting a problem where Cisco DNA…
A network engineer is troubleshooting a problem where Cisco DNA Center is not receiving syslog messages from a critical core switch. The switch is configured to send syslog to the DNA Center's IP address. The engineer checks the DNA Center syslog collector and finds that it is enabled. What should the engineer check next?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify that the syslog port (UDP 514) is not blocked by a firewall or ACL.
Cisco DNA Center's syslog collector listens on specific ports (default UDP 514). If the switch is configured to send syslog but DNA Center is not receiving it, a common issue is that the syslog port is blocked by a firewall or ACL between the switch and DNA Center. The engineer should verify network connectivity and port accessibility.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Verify that the syslog port (UDP 514) is not blocked by a firewall or ACL.
Why this is correct
Correct because syslog uses UDP 514, and if the port is blocked, messages will not reach DNA Center.
- ✗
Check if the syslog messages are in the correct format.
Why it's wrong here
Incorrect because DNA Center accepts standard syslog formats; format issues would not prevent all messages from being received.
- ✗
Ensure that the switch is in the Inventory and managed by DNA Center.
Why it's wrong here
Incorrect because syslog collection does not require the device to be in Inventory; it is a separate function.
- ✗
Restart the syslog collector service on DNA Center.
Why it's wrong here
Incorrect because the collector is enabled, so restarting it is unlikely to resolve a connectivity issue.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.