One flash, one packet? (programming.dev)

submitted 1 week ago by emotional_soup_88@programming.dev to c/networking@sh.itjust.works

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I've always wondered whether network interfaces that have these flashing lights flash as a gimmick or do they actually indicate the flow of traffic? Perhaps one flash per packet in or out? I wish I could remember what my call up modem looked like to make a historical comparison too.

TL-SG105E

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[-] emotional_soup_88@programming.dev 1 points 1 week ago

Darn it, I counted 7.3 million blinks, therefore my ISP must be throttling my speeds joke

I laughed hard at this. Thanks! XD

But in all seriousness, I'll record (for fun, because I'm damaged by this hobby...) the LEDs with my smartphone camera tomorrow, which has a slow motion function, and get back to you after either failing or succeeding to calculate the BPS (Blinks Per Second).

this post was submitted on 25 Jan 2026

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