mediumMultiple Choice
300-410 Practice Question: Runs the following command to troubleshoot a BGP…
A network engineer runs the following command to troubleshoot a BGP Troubleshooting issue:
R1# show bgp neighbors 10.1.1.2 received-routes
BGP table version is 14, local router ID is 1.1.1.1 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter, x best-external, a additional-path, c RIB-compressed, Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0/24 10.1.1.2 0 100 0 65001 i *> 192.168.1.0/24 10.1.1.2 0 100 0 65001 i
Total number of prefixes 2
What does this output indicate?
⚠ Common exam trap
The trap is confusing 'received-routes' with 'advertised-routes' or 'routes'. Candidates might think the command shows routes sent to the neighbor or routes after filtering. Also, they might misinterpret the status codes and think a route is filtered when it is actually valid.
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
✓
R1 is receiving two routes from neighbor 10.1.1.2, both from AS 65001.
The command 'show bgp neighbors 10.1.1.2 received-routes' displays all routes received from the specified neighbor before any inbound filtering. The output shows two prefixes, both with next hop 10.1.1.2, and the AS path indicates they originated from AS 65001. The status codes show '*' for valid and '>' for best, meaning both are valid and best. Therefore, R1 is receiving two routes from neighbor 10.1.1.2, both from AS 65001.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
R1 is receiving two routes from neighbor 10.1.1.2, both from AS 65001.
Why this is correct
The output lists two prefixes, 10.0.0.0/24 and 192.168.1.0/24, each with next hop 10.1.1.2 and AS path "65001 i". The received-routes keyword confirms these are inbound advertisements accepted from that neighbour, satisfying the stem's requirement to identify what R1 receives from 10.1.1.2.
- ✗
R1 is sending two routes to neighbor 10.1.1.2.
Why it's wrong here
The received-routes keyword displays prefixes accepted from the neighbour, not advertised to it; here R1 has learned two routes from 10.1.1.2. The advertised-routes keyword would be the correct choice for verifying outbound advertisements, which is what this option describes.
- ✗
R1 is receiving two routes, but one is filtered out by inbound policy.
Why it's wrong here
Both prefixes carry the valid and best status codes with no r RIB-failure or filter markers, so neither is suppressed by inbound policy. An inbound filter would show the prefix as filtered or absent entirely, making this option inconsistent with the displayed table.
- ✗
R1 is receiving two routes, but the neighbor is not reachable.
Why it's wrong here
The output shows two valid, best routes with next hop 10.1.1.2, so the neighbour is reachable and advertising prefixes; reachability is proven by the received-routes entries themselves. It tempts because 'received-routes' does display inbound prefixes, but that command confirms receipt, not neighbour state.
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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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