easyMultiple Select
300-410 Practice Question: Which TWO commands would a network engineer use…
Which TWO commands would a network engineer use to verify the results of route redistribution from OSPF into EIGRP? (Choose TWO.)
⚠ Common exam trap
The trap is selecting 'show ip protocols' as it shows redistribution configuration, but it does not display the actual redistributed routes. Candidates must distinguish between configuration and operational verification.
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
✓
show ip route eigrp
Option A, 'show ip route eigrp', is correct because it displays the EIGRP-learned routes in the routing table, so the engineer can confirm that redistributed OSPF routes actually appear as EIGRP routes (marked with D or D EX) and were installed. Option D, 'show ip eigrp topology', is correct because it shows the EIGRP topology table, including all routes EIGRP has received via redistribution, their feasible distance, reported distance, and successor/feasible successor status, verifying that the redistributed prefixes were accepted into EIGRP. Option B, 'show ip ospf database', only displays OSPF link-state advertisements and does not show whether those routes were redistributed into EIGRP. Option C, 'show ip protocols', shows redistribution configuration parameters but not the actual redistributed route entries, so it is not the best verification of results. Option E, 'show ip eigrp traffic', only displays EIGRP packet counters and statistics, not route redistribution results.
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
`show ip route eigrp` lists only EIGRP-learned routes in the Routing Information Base, so any redistributed OSPF prefixes appear with an "D EX" code and their advertising router. This directly confirms the redistribution succeeded, satisfying the stem's requirement to verify OSPF-to-EIGRP route injection.
- ✗
show ip ospf database
Why it's wrong here
show ip ospf database lists link-state advertisements within the OSPF domain, showing nothing about routes redistributed into EIGRP. It is tempting because redistribution originates from OSPF, but the LSDB reflects OSPF topology only, not the EIGRP routing table entries produced by redistribution.
- ✗
show ip protocols
Why it's wrong here
show ip protocols confirms which routing protocols are active and their redistribution configuration, but it does not list the actual routes installed in the EIGRP topology or routing table. It is tempting because it displays redistribution statements, yet verifying results requires show ip eigrp topology and show ip route.
- ✓
show ip eigrp topology
Why this is correct
`show ip eigrp topology` lists EIGRP topology table entries, including routes redistributed from OSPF, showing their feasibility state and reported distances. This directly satisfies the stem's requirement to verify redistribution results, confirming which OSPF-derived prefixes entered EIGRP and whether each is passive or active.
- ✗
show ip eigrp traffic
Why it's wrong here
show ip eigrp traffic displays packet counters for EIGRP message types, revealing nothing about which routes were installed from OSPF. It is tempting because it confirms EIGRP is running, but redistribution verification requires the EIGRP topology table and the routing table.
Visual reference
Quick reference
Routing Protocol Comparison
| Protocol | Metric | Max Hops | Algorithm | Type |
|---|---|---|---|---|
| RIP v2 | Hop count | 15 | Bellman-Ford | Distance vector |
| OSPF | Cost (bandwidth) | Unlimited | Dijkstra (SPF) | Link state |
| EIGRP | Composite metric | Unlimited | DUAL | Hybrid |
| IS-IS | Cost | Unlimited | Dijkstra | Link state |
| BGP | Policy / attributes | Unlimited | Path vector | Path vector |
RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.
Go deeper
Related to this question
Learn chapter
EIGRP Route Summarization and Filtering
Key term
Route Redistribution Between Protocols
Route redistribution between protocols is the process of taking routes learned from one routing protocol and injecting them into another routing protocol so that networks using different protocols can communicate.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Cisco exam blueprint
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