network-bgp-diagnostics

Installation
SKILL.md

Network BGP Diagnostics

Use this skill when a BGP session is down, flapping, established with missing routes, or advertising unexpected prefixes. The default workflow is read-only evidence collection; policy and reset actions belong in a reviewed change window.

When to Use

  • BGP neighbors are stuck in Idle, Connect, Active, OpenSent, or OpenConfirm.
  • A session is Established but expected prefixes are missing.
  • A route-map, prefix-list, max-prefix limit, or AS path policy may be filtering routes.
  • You need before/after evidence for a BGP change.
  • You are reviewing automation that parses BGP summary output.

Read-Only Triage Flow

  1. Identify the exact neighbor, address family, VRF, and local/remote ASNs.
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