The correct commands are show ip route eigrp and show ip eigrp topology. These two commands directly verify OSPF to EIGRP redistribution because the first displays all EIGRP-learned routes in the routing table, including those redistributed from OSPF, while the second reveals the EIGRP topology table, where redistributed routes appear with a source of “Redistributed” rather than a directly connected neighbor. On the Cisco CCNP ENARSI 300-410 exam, this question tests your ability to distinguish between verification tools for redistribution versus native protocol operations. A common trap is choosing show ip ospf database, which only shows OSPF’s link-state database and never includes redistributed EIGRP routes, or show ip protocols, which merely lists redistribution parameters without showing actual routes. Remember the memory tip: “Route table for presence, topology table for source”—if you see the route in show ip route eigrp, redistribution is working; if you see it in show ip eigrp topology, you know exactly where it came from.
300-410 Route Redistribution Practice Question
This 300-410 practice question tests your understanding of route redistribution. 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.
Which TWO commands would a network engineer use to verify the results of route redistribution from OSPF into EIGRP? (Choose TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
show ip route eigrp
To verify redistribution, you can check the routing table to see if redistributed routes appear, and you can check the EIGRP topology table to see if they are learned via redistribution. Option A is correct because 'show ip route eigrp' displays EIGRP routes, including redistributed ones. Option D is correct because 'show ip eigrp topology' shows all EIGRP routes and their sources. Option B is incorrect because 'show ip ospf database' shows OSPF LSAs, not redistributed routes. Option C is incorrect because 'show ip protocols' shows routing protocol parameters but not specific redistributed routes. Option E is incorrect because 'show ip eigrp traffic' shows packet statistics, not route information.
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
show ip route eigrp
Why this is correct
Correct: This shows EIGRP routes in the routing table, including redistributed routes.
Incorrect: This shows packet statistics, not route information.
Common exam traps
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Trap categories for this question
Command / output trap
Incorrect: This shows OSPF LSAs, not redistributed routes in EIGRP.
Detailed technical explanation
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
OSPF neighbours must agree on key parameters.
Router ID selection can affect neighbour relationships and LSDB output.
OSPF cost influences the preferred path.
A route can appear in OSPF information but not become the installed route.
TExam Day Tips
→Check area mismatch first when OSPF adjacency fails.
→Review passive interfaces when a network is advertised but no neighbour forms.
→Use show ip ospf neighbor and show ip route clues carefully.
Key takeaway
OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Real-world example
How this comes up in practice
A network engineer at a university connects two campus buildings via a fibre link. Both routers run OSPF, but no adjacency forms — even though both routers can ping each other. The engineer finds one router is in area 0 and the other in area 1. OSPF adjacency requires matching area numbers, hello/dead timers, and network type. IP reachability alone is not enough.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 300-410 question in full detail.
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 300-410 OSPF questions on adjacency and route selection.
Route Redistribution — This question tests Route Redistribution — OSPF neighbours must agree on key parameters..
What is the correct answer to this question?
The correct answer is: show ip route eigrp — To verify redistribution, you can check the routing table to see if redistributed routes appear, and you can check the EIGRP topology table to see if they are learned via redistribution. Option A is correct because 'show ip route eigrp' displays EIGRP routes, including redistributed ones. Option D is correct because 'show ip eigrp topology' shows all EIGRP routes and their sources. Option B is incorrect because 'show ip ospf database' shows OSPF LSAs, not redistributed routes. Option C is incorrect because 'show ip protocols' shows routing protocol parameters but not specific redistributed routes. Option E is incorrect because 'show ip eigrp traffic' shows packet statistics, not route information.
What should I do if I get this 300-410 question wrong?
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 300-410 OSPF questions on adjacency and route selection.
What is the key concept behind this question?
OSPF neighbours must agree on key parameters.
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. An engineer is redistributing OSPF routes into EIGRP. Which TWO commands can be used to verify that the redistribution is working correctly? (Choose TWO.)
hard
✓ A.show ip route eigrp
✓ B.show ip eigrp topology
C.show ip ospf database
D.show ip protocols
E.show ip route ospf
Why A: To verify redistribution, you can check the routing table of the receiving protocol (EIGRP) to see if the redistributed routes appear. Additionally, 'show ip eigrp topology' shows the EIGRP topology table, which includes redistributed routes. 'show ip ospf database' is for OSPF LSDB and does not show redistributed routes into EIGRP. 'show ip protocols' shows redistribution configuration but not active routes. 'show ip route eigrp' shows only EIGRP routes, but if redistribution is working, those routes should appear there.
Last reviewed: Jun 18, 2026
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