this post was submitted on 23 Jan 2025
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Ghost ports (lemmy.world)
submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]
 

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.

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[–] [email protected] 145 points 1 week ago* (last edited 1 week ago) (13 children)

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.

[–] [email protected] 4 points 1 week ago (2 children)

Port 4 is slightly pulled out, you can see the cable difference between 2and4. which I think is what OP was getting at.

It's probably touching just enough pins to keep active

[–] [email protected] 4 points 1 week ago (1 children)

It doesn’t seem to be, they look like different cables, look at the strain relief after the clear part, looks like a different pattern and shorter. They are probably both fully seated.

[–] [email protected] 2 points 1 week ago

Hmm maybe I was wrong. Either way I think we can both agree this is everything just working normally...

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