# A Smart SFP Optic with an FPGA, ARM Core, and Debian Linux System

DevFeed: [A Smart SFP Optic with an FPGA, ARM Core, and Debian Linux System](<https://devfeed.tech/articles/ghost-in-the-ethernet-optic-41634.md>)

Original publisher: [Read original article](<https://blog.benjojo.co.uk/post/smart-sfp-linux-inside>)

Author: ben@benjojo.co.uk

Published: 2022-01-13T11:43:54Z

Content type: article

Language: en

Sources: [benjojo blog](<https://devfeed.tech/sources/benjojo-blog.md>)

Topics: [Ethernet](<https://devfeed.tech/topics/ethernet.md>), [fpga](<https://devfeed.tech/topics/fpga.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Arm](<https://devfeed.tech/topics/arm.md>), [cpu](<https://devfeed.tech/topics/cpu.md>), [Debian](<https://devfeed.tech/topics/debian.md>), [Raspberry Pi](<https://devfeed.tech/topics/raspberry-pi.md>)

Tags: [arm](<https://devfeed.tech/tags/arm.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [debian](<https://devfeed.tech/tags/debian.md>), [ethernet](<https://devfeed.tech/tags/ethernet.md>), [fpga](<https://devfeed.tech/tags/fpga.md>), [linux](<https://devfeed.tech/tags/linux.md>), [network](<https://devfeed.tech/tags/network.md>), [raspberry-pi](<https://devfeed.tech/tags/raspberry-pi.md>)

## AI overview

The article examines a smart SFP optic that combines optical networking hardware with an FPGA, an ARM core, and a Linux system. It documents the device's network setup, storage, CPU, memory, Debian Jessie installation, and apparent throughput limitation.

## Source excerpt

Ghost in the ethernet optic A few months ago I stumbled on a tweet pointing out a kind of [SFP optic](https://en.wikiped