- A
monitor session 1 type erspan-source
Creates an ERSPAN source session on the device.
- B
destination erspan-id 1 ip address 192.168.1.100
Specifies the destination IP address for the ERSPAN encapsulated traffic.
- C
shutdown
Why wrong: This command disables the session, not required for setup.
- D
no monitor session 1
Why wrong: Removes the session, opposite of configuration.
- E
ip route 192.168.1.0 255.255.255.0 GigabitEthernet0/1
Why wrong: Adds a static route, not directly part of ERSPAN session configuration.
Question 1,915 of 2,152
ERSPAN Configuration: Source and Destination Commands
This 300-410 practice question tests your understanding of span, rspan, and erspan. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Which TWO configuration steps are required to set up an ERSPAN session on a Cisco IOS-XE device? (Choose TWO.)
Quick Answer
The correct answer is the destination command specifying the ERSPAN ID and IP address, because ERSPAN (Encapsulated Remote Switched Port Analyzer) works by encapsulating monitored traffic in a GRE tunnel and forwarding it to a remote IP destination. On a Cisco IOS-XE device, you must first define the session as type erspan-source with the monitor session 1 type erspan-source command, then under that session, the destination erspan-id 1 ip address 192.168.1.100 command tells the switch where to send the encapsulated packets. On the Cisco CCNP ENARSI 300-410 exam, this question tests your ability to distinguish ERSPAN from local SPAN and RSPAN—a common trap is confusing the destination IP requirement with a simple interface command, or forgetting that the source command is also mandatory but not listed here. Remember the memory tip: ERSPAN sends traffic over IP, so you must “address” the destination with an IP, not just an interface.
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
✓
monitor session 1 type erspan-source
ERSPAN encapsulates monitored traffic in GRE and sends it to an IP destination. The 'monitor session 1 type erspan-source' command defines the session as an ERSPAN source. The 'destination' command under that session specifies the IP address of the destination. 'source' is also needed but is not listed as an option here; 'shutdown' disables the session, 'no monitor session' removes it, and 'ip route' is for routing, not ERSPAN configuration.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
monitor session 1 type erspan-source
Why this is correct
Creates an ERSPAN source session on the device.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
destination erspan-id 1 ip address 192.168.1.100
Why this is correct
Specifies the destination IP address for the ERSPAN encapsulated traffic.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
shutdown
Why it's wrong here
This command disables the session, not required for setup.
- ✗
no monitor session 1
Why it's wrong here
Removes the session, opposite of configuration.
- ✗
ip route 192.168.1.0 255.255.255.0 GigabitEthernet0/1
Why it's wrong here
Adds a static route, not directly part of ERSPAN session configuration.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
This command disables the session, not required for setup.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. 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.
Identify which 300-410 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
- →
SPAN, RSPAN, and ERSPAN — study guide chapter
Learn the concepts, then practise the questions
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SPAN, RSPAN, and ERSPAN practice questions
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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 — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: monitor session 1 type erspan-source — ERSPAN encapsulates monitored traffic in GRE and sends it to an IP destination. The 'monitor session 1 type erspan-source' command defines the session as an ERSPAN source. The 'destination' command under that session specifies the IP address of the destination. 'source' is also needed but is not listed as an option here; 'shutdown' disables the session, 'no monitor session' removes it, and 'ip route' is for routing, not ERSPAN configuration.
What should I do if I get this 300-410 question wrong?
Identify which 300-410 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 19, 2026
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