In the middle of a live VLAN readressing of a 200-node company, I encountered this gem. The ports just kept blinking on even after plugging out the cables. (HP aruba 24 port switch)

One turned off after a reboot.

  • some_guy@lemmy.sdf.org
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    10 days ago

    The ports are numbered with arrows. Port one’s LED is on the left, port two is beneath port one and has its LED on the right. The two blinking above open ports are for even-numbered ports that are actively plugged in on the bottom row. I dunno why the LED for port five isn’t blinking; maybe the other end of the cable is connected to a device that is powered off.

  • Blaster M@lemmy.world
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    10 days ago

    The lights are combined link/act, not separate link act. left for upper side, right for lower side. 2 and 4 are blinking, 1 and 3 (the empty ports) are not.

  • computergeek125@lemmy.world
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    9 days ago

    The Netgear M4300 I got works like that, it’s a feature not a bug. There’s no link lights on the bottom, so the top row does the ports in alternate left/right patterns matching the label on the case right above the light.

    Edit: a word

    • Leeks@lemmy.world
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      10 days ago

      Actually it’s by design! Right side is for the lower ports, that’s why there’s the number with an arrow above it.

  • Possibly linux@lemmy.zip
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    10 days ago

    That’s normal.

    The switch doesn’t immediately detect that there is nothing plugged in. It keeps transmitting.

    Edit: the lights are not even lit if you look closer