IS-IS Interactive Tools

Hands-On Learning

These interactive tools help you understand IS-IS concepts through practical application. Analyze LSPs, generate configurations, and visualize network topologies to reinforce your learning.

LSP Analyzer

Decode and analyze IS-IS Link State PDUs. Parse TLV structures and validate LSP format.

  • LSP Header Analysis
  • TLV Parsing
  • Validation Tools
Config Generator

Generate IS-IS configurations for various scenarios and network topologies.

  • Basic Setup
  • Advanced Features
  • NET Address Tools
SPF Calculator

Visualize shortest path calculations and analyze network topology.

  • Dijkstra Algorithm
  • Path Visualization
  • Metric Analysis

LSP Analyzer

LSP Input
Analysis Results

Enter LSP data and click "Analyze LSP" to see results

LSP Analysis Features

Header Analysis

Decode LSP header fields including length, lifetime, sequence number, and flags.

TLV Parsing

Parse and decode Type-Length-Value fields within the LSP.

Validation

Validate LSP structure and identify potential formatting issues.

IS-IS Configuration Generator

Configuration Parameters
Generated Configuration
Click "Generate Configuration" to see the output

Configuration Templates

Access Router

Level-1 configuration for access layer routers

Distribution Router

Level-1-2 configuration for distribution layer

Core Router

Level-2-only configuration for core backbone

SPF Calculator

Network Topology
Add Network Nodes:
Add Links:
SPF Results

Build topology and click "Calculate SPF" to see shortest paths

Current Topology

No topology defined yet