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What now?

It's documented in german so either you know the language or you figure it out on your own. Basically implements following stuffs:

  • VLAN scanning and updates to netbox
  • Automatic device testbed creation with device creator script (Check version notes)
  • Neighbouring device recognition and creation via cdp
  • Device type, role and platform auto creation
  • OS and Version recognition (Add 'OS' and 'Version' custom fields to devices)
  • Automatic interface recognition and creation
  • Automatic cable creation, again via cdp
  • Inventory parsing and updates
  • SFP Module Parsing and updates
  • Stack recognition and support
  • Supports IOS, IOS-XE and as of now also NX-OS!
  • Supports updating changed cable terminations

What where?

  • The device maker script is a netbox plugin you can import and use to create dummy devices which will then be picked up by the scanner
  • Everything else is the scanner script, so please keep them in one directory
  • Yes, netbox_cisco_discovery.py is the main script to execute
  • You can find all the configurable environment options in config.py, they can be read from either the .env-file or by having the variables set on the system beforehand, for example in docker.

Why do I need this?

I'm not selling crack, yet again, so how would I know? But do be aware that this only works on Cisco devices and that I hardcoded it to use /24 subnets because at some point I couldn't be bothered to implement how to get the subnet of an IP. (Got too burnt out to care, plus all my nets are /24, so I gave up on it.)

Netbox 4.x.x?

I can confirm it works on 4.3.4.

Hey, isn't this a worse version of NB Diode?

Yes, but this was made before Diode came out. Plus, cloud-subscriptions make my skin crawl.

Docker?

Have fun! (Other than having to make your own container for the Netbox stack, the script already supports logging and pulling preset env variables)

Nom Nom, give me dependencies!

Fine:

  • pyats[full]
  • pynetbox
  • urllib3
  • dotenv

Before you go downloading the dotenv package and spend hours yapping about how wheel doesn't work, use pip install python-dotenv.

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