A professional multi-vendor diagnostic skill for analyzing IS-IS routing protocols, adjacency states, and link-state database integrity.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install isis-analysis
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install isis-analysis using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is IS-IS Protocol Analysis?
This skill provides an automated, reasoning-driven approach to troubleshooting the IS-IS (Intermediate System to Intermediate System) protocol. It moves beyond simple counter checks to interpret complex state machines, validate NET addressing formats (AFI.areaID.systemID.NSEL), and assess LSP flooding across link-state domains. Designed for Openclaw Skills, it supports Cisco IOS-XE, Juniper JunOS, and Arista EOS, ensuring consistent network reliability across heterogeneous environments.
Engineers can leverage this tool to identify root causes for routing flaps, missing prefixes, or suboptimal Level 1/2 path selection. By automating the extraction of neighbor states and LSPDB metrics, it reduces mean-time-to-resolution (MTTR) for critical network infrastructure issues.
IS-IS Protocol Analysis Use Cases
- Resolving IS-IS adjacencies stuck in Init or Down states due to MTU or authentication mismatches.
- Investigating LSPDB inconsistencies, including sequence number anomalies and system ID conflicts.
- Validating Level 1 and Level 2 routing boundaries and ensuring correct route leaking configurations.
- Detecting LSP wars caused by duplicate system IDs in a link-state domain.
- Performing post-change verification after area address migrations or metric style updates.
How IS-IS Protocol Analysis Works
- The skill identifies the IS-IS instance and inventories all participating interfaces and their configured levels (L1, L2, or L1/L2).
- It assesses neighbor adjacencies, checking for state machines, DIS election status, and hold-time consistency.
- The tool validates the NET address structure to ensure proper AFI, Area ID, and unique System ID allocation.
- It performs a deep dive into the Link-State Protocol Data Unit database (LSPDB) to detect synchronization errors, aging issues, or unexpected purges.
- Finally, it analyzes routing tables to verify prefix reachability, default route distribution, and inter-level leaking policies.
IS-IS Protocol Analysis Setup
To utilize this diagnostic tool, ensure the target network device is accessible via SSH and that the Openclaw environment has the necessary binaries installed.
# Ensure ssh is available in the environment
which ssh
# Configure the skill with read-only credentials for the target routers
# The skill will automatically select syntax for Cisco, JunOS, or EOS
IS-IS Protocol Analysis Data Schema & Taxonomy
The skill organizes its findings based on protocol-first logic and parses multi-vendor command outputs into a structured format.
| Data Category | Details | Key Indicators |
|---|---|---|
| Interface Inventory | Circuit type, level (L1/L2), metric style | Interface status, metric values |
| Adjacency Table | State (Up/Init), SNPA, Area addresses | Hold timers, DIS priority |
| LSPDB Metadata | Sequence numbers, lifetime, fragments | Overload (OL) bit, ATT bit |
| Routing Information | RIB contents, leaked prefixes, L1/L2 distribution | Prefix counts, next-hop metrics |
IS-IS Protocol Analysis Advanced Features
- Support for multi-vendor diagnostic reasoning across Cisco, Juniper, and Arista platforms.
- Automated detection of LSP wars and system ID conflicts within Openclaw Skills workflows.
- Detailed threshold analysis for SPF runs, LSP lifetimes, and convergence metrics.
- Protocol-aware decision trees for resolving complex adjacency flapping and route suboptimalities.
- Comprehensive report generation including severity-based findings and prioritized remediation steps.
SKILL.md
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