Re: Dealing with M_HASFCS for protocols that do not do ethernet crc

[Martin Husemann <martin%duskware.de@localhost>]

On Sun, Aug 07, 2022 at 08:32:55AM -0400, Mouse wrote:
> I thought the frame check CRC was part of the Ethernet spec, and, as
> such, was not an optional part of any Ethernet packet - on a par with
> source and destination MACs or the two-byte next-protocol value.

Yes, but only since 802.3. There were various protocols used over ethernet
before that standard finalized.

Martin