the NIC has to support it as well as the optic, and the switch side as well, as FEC has to be pair-negotiated.
what kind of hardware is involved? FEC debugging helps to know the following:
switch os: arista, cisco, juniper, etc
optic: DAC, AOC, SFP/SFP+/SFP28/etc
nic driver: ig, ix, ixl, etc
nic mode: i350, x550, x710, etc
nic firmware version: intel-nvmupdate util
Eva
npub18v…qlren
2025-05-18 11:28:17 UTC
in reply to nevent1q…j0hr
Author Public Key
npub18v5gkv80wg26k8wtjt0y8he49gv9gmtj4ld4pfw0essk4mgkqdrsfqlrenSeen on
wss://relay.momostr.pinkPublished at
2025-05-18 11:28:17 UTCEvent JSON
{
"id": "57c88ec31326f6c613c55be5d7cbbd5da252431fe3cd09375ae1b17588303f3f",
"pubkey": "3b288b30ef7215ab1dcb92de43df352a18546d72afdb50a5cfcc216aed160347",
"created_at": 1747567697,
"kind": 1,
"tags": [
[
"proxy",
"https://mastodon.bsd.cafe/@winterschon/114528596599627038",
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],
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[
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"-"
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],
"content": "the NIC has to support it as well as the optic, and the switch side as well, as FEC has to be pair-negotiated. \n\nwhat kind of hardware is involved? FEC debugging helps to know the following:\n\nswitch os: arista, cisco, juniper, etc\noptic: DAC, AOC, SFP/SFP+/SFP28/etc\nnic driver: ig, ix, ixl, etc\nnic mode: i350, x550, x710, etc\nnic firmware version: intel-nvmupdate util",
"sig": "837ebd32f488f011997777c7b49c33ffc9623c241c6c6ab4ae3ca44907f0bbbf1cad7f9a77987bd0b87a0017ec13214bd4678997975ad5aab4a590bcfb17f182"
}