hardMultiple 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 route-map VRF_RED_MAP
route-map VRF_RED_MAP, permit, sequence 10 Match clauses:
ip address prefix-list RED_PREFIXES
Set clauses: tag 100 Policy routing matches: 0 packets, 0 bytes
Based on this output, what is the problem?
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 route-map is not applied to any interface.
The route-map VRF_RED_MAP has a match clause for prefix-list RED_PREFIXES and a set clause to tag 100. The policy routing matches show 0 packets, meaning the route-map has never been used. This could indicate that the route-map is not applied to any interface or that no traffic matches the prefix-list.
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 route-map is not applied to any interface.
Why this is correct
The 0 packets matched suggests the route-map is not being used, likely because it is not applied.
- ✗
The prefix-list RED_PREFIXES is empty.
Why it's wrong here
The route-map may still match even if the prefix-list is empty, but the 0 packets could be due to no traffic; however, the most common cause is that the route-map is not applied.
- ✗
The set clause is incorrect.
Why it's wrong here
The set clause is valid.
- ✗
The route-map sequence is invalid.
Why it's wrong here
Sequence 10 is valid.
Go deeper
Related to this question
Learn chapter
Introduction to ENARSI Exam and Network Fundamentals
Key term
BGP Prefix Filtering
BGP Prefix Filtering is the practice of controlling which network routes (prefixes) a router accepts or advertises to its BGP neighbors, preventing unwanted or harmful routes from spreading across the internet.
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