Inspecting EIGRP adjacencies — neighbors, SRTT/RTO, and queues You must view the IP addresses of devices that have formed EIGRP adjacencies with your router and check the retransmit (RTO) and queue counts per neighbor. Which single command provides this information?

Introduction / Context:
Effective EIGRP troubleshooting starts with adjacency health. The neighbor table displays each peer's address, uptime, smooth round-trip time (SRTT), retransmission timeout (RTO), and queue counts, indicating whether updates are backing up. Selecting the right show command is fundamental.

Given Data / Assumptions:

• EIGRP is running and neighbors have formed.
• You need peer IPs, RTO, and Q counts.
• Standard Cisco IOS show commands are available.

Concept / Approach:
The neighbor table is the authoritative source for adjacency-state telemetry. show ip eigrp neighbors lists each neighbor with its IP address, interface, hold time, SRTT, RTO, and queue statistics. The topology table lists routes and metrics; interface outputs show per-interface settings; route tables show installed paths, not neighbor health.

Step-by-Step Solution:
Identify the needed data fields: neighbor IPs, RTO, Q counts.Map fields to EIGRP data structures: neighbor table contains them.Choose the command that displays the neighbor table: show ip eigrp neighbors.

Verification / Alternative check:
Run show ip eigrp neighbors; verify columns for Address, Interface, Hold, Uptime, SRTT, RTO, and Q. Rising Q values may indicate congestion or slow neighbors.

Why Other Options Are Wrong:

• A: Not a standard IOS command; adjacency info is under neighbors.
• B: Displays routes and metrics, not neighbor telemetry.
• C: Lists interfaces participating in EIGRP, not per-neighbor stats.
• E: Routing table entries, not adjacency health.

Common Pitfalls:
Confusing topology and neighbor outputs or ignoring sustained nonzero queues which can signal retransmission issues.

Final Answer:
show ip eigrp neighbors