I am trying to finally get my homelab organized, and I need assistance visualizing my network. I am just wondering if there are tools out there that assist with this. I have tried the paint and gimp routes, and I find myself spending more time trying to make it look good and organized rather than actually mapping my network. Is there any utility out there that is purpose build just for visualizing network topology? Or am I better off with just graph paper, pencil and a straight edge?

  • vegetaaaaaaa@lemmy.world
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    2 years ago

    dia diagram editor (desktop application). I like that .dia diagrams can be exported to PNG by command-line so this fits well in my automated setup (edit diagram in dia, run make doc, PNG diagram updated and embedded in my projects README).

    As others said, draw.io is also nice.

  • slazer2au@lemmy.world
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    2 years ago

    Are you looking for a Visio type program? Draw.io is a free alternative.

    If you want something crawls your managed switch for LLDP or CDP info then maybe a monitoring system like LibreNMS has a map feature.

    • klangcola@reddthat.com
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      2 years ago

      Yes! I can not recommend draw.io aka diagrams.net enough! (I still don’t understand why it has two names and which name is the current “correct” one)

      It works both in the browser, or as a downloadable standalone application that works 100% offline.

      My favourite feature is exporting PNG or PDF with the complete diagram XML embedded as metadata, which means they can be opened and edited again by draw.io

      It’s very useful not only for networking, but all sorts of diagramming needs

  • tychosmoose@lemm.ee
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    2 years ago

    I tried draw.io, but ended up liking LibreOffice Draw better for hand-drawing.

    If you want to get a live map of the connections on your network you may want to check out netdisco.org or librenms.org. Both are open source network management tools that have mapping.