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Quick Answer
The correct order for SPAN, RSPAN, and ERSPAN verification steps is: first, use show monitor session all to list all sessions; second, inspect the specific session details with show monitor session <id>; third, check the RSPAN VLAN status if using RSPAN; fourth, verify ERSPAN packet capture at the destination; and finally, confirm that the mirrored traffic matches expected patterns. This sequence is correct because it follows a logical troubleshooting hierarchy—starting with a broad inventory of all active monitoring sessions, then drilling into session-specific configuration and operational state, followed by verifying the transport layer (RSPAN VLAN or ERSPAN encapsulation), and ending with a traffic-level validation to ensure the mirror is actually delivering the intended packets. On the Cisco CCNP ENARSI 300-410 exam, this drag-and-drop task tests your ability to distinguish between the three SPAN variants and their unique verification points; a common trap is placing the RSPAN VLAN check after the ERSPAN capture step, or forgetting that traffic confirmation is always the final validation. Remember the mnemonic “List, Inspect, Transport, Capture, Confirm” to lock in the order from first to last.
300-410 SPAN, RSPAN, and ERSPAN Practice Question
This 300-410 practice question tests your understanding of span, rspan, and erspan. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
Drag and drop the steps to verify and validate SPAN, RSPAN, and ERSPAN operational state into the correct order, from first to last.
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
✓
List all monitor sessions with show command
First, use show monitor session all to list all sessions. Then, inspect the specific session details with show monitor session <id>. Next, check the RSPAN VLAN status if using RSPAN. After that, verify ERSPAN packet capture at the destination. Finally, confirm that the mirrored traffic matches expected patterns.
Key principle: A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
Common exam traps
Common exam trap: an active trunk can still block the VLAN you need
A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.
Detailed technical explanation
How to think about this question
VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.
KKey Concepts to Remember
- Access ports place end devices into a single VLAN.
- Trunk ports carry multiple VLANs between switches.
- Allowed VLAN lists decide which VLANs can cross a trunk.
- Native VLAN mismatch can create confusing symptoms.
TExam Day Tips
- Use show vlan brief to verify access VLANs.
- Use show interfaces trunk to verify trunk state and allowed VLANs.
- Do not treat every same-VLAN issue as a routing problem.
Key takeaway
A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
Real-world example
How this comes up in practice
A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
What to study next
Got this wrong? Here's your next step.
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related 300-410 questions on switching, trunking, and access-port configuration.
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SPAN, RSPAN, and ERSPAN — study guide chapter
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FAQ
Questions learners often ask
What does this 300-410 question test?
SPAN, RSPAN, and ERSPAN — This question tests SPAN, RSPAN, and ERSPAN — Access ports place end devices into a single VLAN..
What is the correct answer to this question?
The correct answer is: List all monitor sessions with show command — First, use show monitor session all to list all sessions. Then, inspect the specific session details with show monitor session <id>. Next, check the RSPAN VLAN status if using RSPAN. After that, verify ERSPAN packet capture at the destination. Finally, confirm that the mirrored traffic matches expected patterns.
What should I do if I get this 300-410 question wrong?
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related 300-410 questions on switching, trunking, and access-port configuration.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Access ports place end devices into a single VLAN.
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Last reviewed: Jun 19, 2026
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.
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