mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show flow interface GigabitEthernet0/0 Interface GigabitEthernet0/0
FNF: enabled Ingress IPV4/IPV6 flow monitoring: enabled Exporter: EXPORTER1 Monitor: MONITOR1 Egress IPV4/IPV6 flow monitoring: disabled Ingress MPLS flow monitoring: disabled Egress MPLS flow monitoring: disabled
Based on this output, what is the state of NetFlow on this interface?
⚠ Common exam trap
The trap here is that candidates see 'FNF: enabled' and assume full bidirectional NetFlow, missing the specific ingress/egress status lines that reveal only one direction is active.
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
✓
NetFlow is only monitoring incoming traffic on this interface.
The output shows that ingress IPv4/IPv6 flow monitoring is enabled with an exporter and monitor configured, while egress IPv4/IPv6 flow monitoring is disabled. This means NetFlow is only monitoring incoming traffic on the interface, not outgoing traffic. The FNF (Flexible NetFlow) status confirms NetFlow is operational, but only for ingress direction.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
NetFlow is fully enabled for both ingress and egress traffic.
Why it's wrong here
Egress is disabled.
- ✓
NetFlow is only monitoring incoming traffic on this interface.
Why this is correct
Ingress is enabled, egress is disabled.
- ✗
NetFlow is not configured on this interface.
Why it's wrong here
It is enabled for ingress.
- ✗
NetFlow is only monitoring MPLS traffic.
Why it's wrong here
MPLS monitoring is disabled.
Go deeper
Related to this question
Learn chapter
Introduction to ENARSI Exam and Network Fundamentals
Key term
NetFlow Configuration
NetFlow Configuration is the process of setting up Cisco devices to collect and export metadata about network traffic flows for monitoring, analysis, and troubleshooting.
Key term
LDP Protocol
LDP, or Label Distribution Protocol, is a protocol that routers use to automatically exchange labels that enable MPLS (Multiprotocol Label Switching) to create fast, efficient paths for data packets across a network.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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