Comment on Basic networking/subnetting question.

• marauding_gibberish142@lemmy.dbzer0.com ⁨1⁩ ⁨day⁩ ago

  I see, I was completely off-track lol. But isn’t this really for a setup where each computer is connected to an individual port of the switch? I.E. this won’t work if to one port of an L3 switch one were to attach a dumb 5 port switch and plug 4 computers in

  source

  • possiblylinux127@lemmy.zip ⁨1⁩ ⁨day⁩ ago

    en.wikipedia.org/wiki/IEEE_802.1Q

    Vlans are simply a tag on a frame. You can set what if any tags are allowed and you can set the switch to tag untagged traffic. You can can limit Mac addresses with port security.

    source

    • marauding_gibberish142@lemmy.dbzer0.com ⁨1⁩ ⁨day⁩ ago

      Thank you. Now I just need to learn to do all of this on Linux/BSD lol

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      • possiblylinux127@lemmy.zip ⁨1⁩ ⁨day⁩ ago

        openwrt.org/docs/…/switch_configuration

        You create an device called interface.vlanid

        Something like eth0.1

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