This was in my Cisco training. Unidirectional line break.

No. I don’t speak Japanese. Or whatever that is.

  • muffedtrims@lemmy.world
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    21 days ago

    Plugging in a VOIP phone to the same switch with both interfaces will have a similar effect if loopguard is not enabled.

    • dbtng@eviltoast.orgOP
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      21 days ago

      I will try that! Actually, I’ve accidentally done that shit in Prod. I connected our 10g and our 1g networks with a virtual switch in a Proxmox server. I undid it shortly after that, but it caused a network storm that impacted customers in 2 datacenters.