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Documenting your network for the next person

A one-page network truth file beats a heroic tribal-knowledge culture.

1 min readBy Michael NarehoodNetworking

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When only one person knows the firewall, vacation is a risk event.

Capture on one living doc

  1. ISP circuits and account numbers
  2. Firewall model, management URL, backup config location
  3. Key VLANs and what lives on them
  4. Server / hypervisor inventory
  5. DNS and domain registrar logins (in the password manager)
  6. Who has privileged access

Update rule

If a change takes more than fifteen minutes, the doc gets a line.

Qutzl keeps documentation as part of managed service. learn more.