automateyournetwork/evpn-vxlan-fabric
workspace/skills/evpn-vxlan-fabric/SKILL.md
EVPN/VXLAN fabric audit and troubleshooting — VTEPs, VNIs, route types, multihoming, underlay/overlay validation. Use when troubleshooting VXLAN overlay reachability, auditing leaf-spine fabric health, debugging silent hosts or asymmetric flooding, or validating anycast gateway and ESI multihoming state.
$ install --global
skillsauthnpx skillsauth add automateyournetwork/netclaw evpn-vxlan-fabricInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
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Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Apr 20, 2026, 3:29 AM4.7s1 file scanned
SKILL.md
- name:
- evpn-vxlan-fabric
- description:
- EVPN/VXLAN fabric audit and troubleshooting — VTEPs, VNIs, route types, multihoming, underlay/overlay validation. Use when troubleshooting VXLAN overlay reachability, auditing leaf-spine fabric health, debugging silent hosts or asymmetric flooding, or validating anycast gateway and ESI multihoming state.
- license:
- Apache-2.0
- user-invocable:
- true
- { "openclaw":
- { "requires": { "bins": ["python3"], "env": ["PYATS_TESTBED_PATH"] } } }
EVPN/VXLAN Fabric
Primary Backends
pyats-networkpyats-routingpyats-topologynetbox-reconcile
Focus Areas
- VTEP reachability and loopback consistency
- VXLAN VNI to VLAN mapping
- EVPN route types 2, 3, and 5
- Anycast gateway consistency
- Multihoming and Ethernet Segment state
- Underlay routing health vs overlay symptoms
When to Use
- EVPN MAC/IP reachability issues
- Silent hosts or asymmetric flooding complaints
- Anycast gateway or ARP suppression problems
- Leaf-spine underlay failures impacting overlay forwarding
- Data-center fabric audit and documentation
Workflow: Overlay Reachability
- Verify underlay reachability between VTEPs.
- Check BGP EVPN session health and route-type presence.
- Validate VNI mapping, bridge domains, and anycast gateway settings.
- Cross-check local MAC learning against EVPN advertisements.
- Reconcile intended VLAN/VNI mappings against NetBox or ACI intent.
Workflow: Multihoming / ESI Trouble
- Confirm the access device and leaf pair are both healthy.
- Validate Ethernet Segment identifiers and DF election state.
- Check for duplicate MAC movement or split-horizon symptoms.
- Verify LACP state, access VLANs, and host-facing port consistency.
Important Rules
- Always validate the underlay before blaming the overlay
- Do not push fabric config without approved change control
- Use route-type evidence, not assumptions, to explain forwarding
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