- A
A configuration change was made from the console.
Correct. The message explicitly states 'Configured from console by console', meaning a configuration change was made from the console.
- B
A critical error occurred on the router.
Why wrong: Incorrect. Severity level 5 is 'notice', not critical. Critical errors are level 2 or below.
- C
The router is sending logging messages to a syslog server.
Why wrong: Incorrect. The output shows logs stored in the router's buffer, not necessarily sent to a syslog server. The command is viewing local logs.
- D
The router has reached the maximum log buffer size.
Why wrong: Incorrect. The output shows a single log entry. There is no indication of buffer size or overflow.
Question 1,014 of 2,152
NHRP Cache Detail: Dynamic Spoke-to-Spoke Tunnel Mappings
This 300-410 practice question tests your understanding of network logging and syslog. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: syslog severity levels. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network engineer logs into a router and issues the following command to troubleshoot a syslog issue:
R1# show logging | include %SYS-5-CONFIG_I
Output:
*Mar 1 00:00:00.000: %SYS-5-CONFIG_I: Configured from console by console
What does this output indicate?
Quick Answer
The answer is that the router has two NHRP mappings for dynamic spoke-to-spoke tunnels via Tunnel0. This is correct because the `show ip nhrp detail` command reveals the NHRP cache detail, which stores mappings between a destination tunnel IP address (e.g., 10.1.1.1) and its corresponding NBMA address (e.g., 192.168.1.2), along with timers and flags. In this output, both entries are marked as "dynamic" and "authoritative," confirming they were learned via NHRP registration and are used for direct spoke-to-spoke communication in a DMVPN network, not for hub-mediated traffic. On the Cisco CCNP ENARSI 300-410 exam, this tests your ability to interpret NHRP cache entries and distinguish dynamic spoke mappings from static or hub entries—a common trap is confusing the NBMA address with the tunnel IP. A key memory tip: "Dynamic and authoritative means the spoke learned it directly, so traffic goes straight, not through the hub."
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
✓
A configuration change was made from the console.
The syslog message %SYS-5-CONFIG_I indicates a configuration change event with severity level 5 (notice). The output shows that the change was made from the console, confirming that the router is logging configuration changes at this severity level.
Key principle: Syslog severity levels
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A configuration change was made from the console.
Why this is correct
Correct. The message explicitly states 'Configured from console by console', meaning a configuration change was made from the console.
Related concept
Syslog severity levels
- ✗
A critical error occurred on the router.
Why it's wrong here
Incorrect. Severity level 5 is 'notice', not critical. Critical errors are level 2 or below.
- ✗
The router is sending logging messages to a syslog server.
Why it's wrong here
Incorrect. The output shows logs stored in the router's buffer, not necessarily sent to a syslog server. The command is viewing local logs.
- ✗
The router has reached the maximum log buffer size.
Why it's wrong here
Incorrect. The output shows a single log entry. There is no indication of buffer size or overflow.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Remember that severity level 5 is 'notice', not a critical error. The message indicates a normal operational event, not a fault.
Trap categories for this question
Command / output trap
Incorrect. The output shows logs stored in the router's buffer, not necessarily sent to a syslog server. The command is viewing local logs.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Syslog severity levels
- Syslog message format
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Syslog severity levels
Real-world example
How this comes up in practice
A practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Syslog severity levels Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Review syslog severity levels, then practise related 300-410 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this 300-410 question test?
Network Logging and Syslog — This question tests Network Logging and Syslog — Syslog severity levels.
What is the correct answer to this question?
The correct answer is: A configuration change was made from the console. — The syslog message %SYS-5-CONFIG_I indicates a configuration change event with severity level 5 (notice). The output shows that the change was made from the console, confirming that the router is logging configuration changes at this severity level.
What should I do if I get this 300-410 question wrong?
Review syslog severity levels, then practise related 300-410 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Syslog severity levels
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Last reviewed: Jun 18, 2026
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