pyats-topology
Topology Discovery
When to Use
- Building network diagrams from scratch (no documentation exists)
- Validating existing documentation matches reality
- Pre-change topology baseline
- Incident response — understanding blast radius
- New device onboarding — mapping where it connects
Discovery Procedure
Step 1: CDP Neighbors (Cisco-to-Cisco)
PYATS_TESTBED_PATH=$PYATS_TESTBED_PATH python3 $MCP_CALL "python3 -u $PYATS_MCP_SCRIPT" pyats_run_show_command '{"device_name":"R1","command":"show cdp neighbors detail"}'
Extract per neighbor:
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