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300-410 Practice Question: Runs the following command to troubleshoot a…
A network engineer runs the following command to troubleshoot a Network Logging and Syslog issue:
R1# debug ip packet
Output: IP: s=10.1.1.1 (GigabitEthernet0/1), d=10.2.2.2, len 100, rcvd 3 IP: s=10.1.1.1 (GigabitEthernet0/1), d=10.2.2.2, len 100, rcvd 4 IP: s=10.1.1.1 (GigabitEthernet0/1), d=10.2.2.2, len 100, rcvd 5
What does this output indicate?
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
✓
The router is experiencing a routing loop, as indicated by the repeated packets with the same source and destination.
The output shows repeated packets from the same source to the same destination, which may indicate a routing loop or excessive traffic. The engineer should use 'undebug all' to stop the debug and then investigate the routing table.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The router is experiencing a routing loop, as indicated by the repeated packets with the same source and destination.
Why this is correct
Repeated identical packets suggest a loop; debug ip packet should be used cautiously and stopped with 'undebug all'.
- ✗
The router is functioning normally; these are just normal IP packets being forwarded.
Why it's wrong here
The high count of identical packets is abnormal and indicates a potential issue.
- ✗
The router is receiving multicast traffic and showing each packet individually.
Why it's wrong here
The output shows unicast IP packets, not multicast.
- ✗
The debug command is not working correctly because the output is too repetitive.
Why it's wrong here
The debug is functioning; repetition indicates a network issue.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.