From: Eelco Chaudron <echau...@redhat.com> Date: Fri, 3 Nov 2017 11:39:04 +0100
> Looking for any mentioning of an all-zero MAC address being invalid, > the only reference I could find was in the original first Xerox Wire > Specification. The IEEE specifications do not mention this at all, and > according to it, the all-zero address is a valid MA-L address assigned > to Xerox. > > Looking at the packet more, it might be an attempt to do an unARP (RFC > 1868) but forgot to implement to set the Hardware Address Length to > zero. > > I'm sure adding an arptables entry can be used to solve this instead, > in case the offending device cannot be fixed. > > Please ignore this patch... Ok, thanks for looking more deeply into this.
