eigrp-analysis

Analyze Cisco EIGRP DUAL behavior and generate troubleshooting reports.

Updated Mar 15, 2026

Search Tags:#troubleshooting #routing #diagnostics #eigrp #ios-xe #nx-os #dual

Ready to run

npx skills add https://github.com/vahagn-madatyan/netsec-skills-suite --skill eigrp-analysis

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: eigrp-analysis
Source: https://github.com/vahagn-madatyan/netsec-skills-suite/tree/main/skills/eigrp-analysis
Command: npx skills add https://github.com/vahagn-madatyan/netsec-skills-suite --skill eigrp-analysis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

EIGRP analysis and troubleshooting for Cisco IOS-XE and NX-OS, focusing on Diffusing Update Algorithm (DUAL) convergence, neighbor health, and Stuck-in-Active conditions.

Core Features & Use Cases

Evaluate neighbor status, topology, and feasibility in EIGRP deployments.
Diagnose stuck-in-active conditions, metric validation, and redistribution concerns.
Generate structured reports for operations, audits, and post-change verification.

Quick Start

Inspect an EIGRP domain with failing routes and generate a diagnostic report.

Frequently Asked Questions about eigrp-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I troubleshoot EIGRP stuck-in-active conditions on Cisco NX-OS?▼

Troubleshoot EIGRP stuck-in-active conditions by analyzing DUAL convergence logic to identify unresponsive neighbors and SIA states. The analysis evaluates neighbor health and topology tables to generate a structured report with root-cause analysis and remediation steps for NX-OS devices.

What causes EIGRP route flapping and how can I diagnose feasibility issues?▼

EIGRP route flapping and feasibility issues are diagnosed by validating DUAL metrics and feasibility conditions across the topology. The analysis checks neighbor status, topology tables, and redistribution configurations to identify metric discrepancies and provide targeted remediation recommendations.

Can I analyze both classic and named EIGRP modes on IOS-XE devices?▼

Yes, EIGRP analysis supports both classic and named modes on IOS-XE devices. The diagnostic process evaluates neighbor relationships, topology tables, and DUAL algorithm behavior across both configuration modes to produce a comprehensive troubleshooting report.

How do I identify EIGRP neighbor adjacency failures using DUAL logic?▼

Identify EIGRP neighbor adjacency failures by applying DUAL-driven analysis to inspect neighbor status and topology tables. The process examines feasibility conditions, metric validation, and SIA states to pinpoint the root cause of adjacency resets and recommend corrective actions.

Does this EIGRP diagnostic approach work for post-change network verification?▼

Yes, EIGRP diagnostics support post-change verification by analyzing routing behavior and DUAL convergence after network modifications. The structured report validates neighbor health, topology state, and redistribution accuracy, confirming whether changes achieved the intended routing outcomes.

What is the best way to diagnose EIGRP redistribution problems in a multi-platform environment?▼

Diagnose EIGRP redistribution problems by analyzing route maps and metric validation across IOS-XE and NX-OS platforms. The evaluation checks topology injection, feasibility conditions, and DUAL state to isolate redistribution failures and provide structured remediation guidance.