> On 17 Mar 2023, at 22:16, Attila Nagy <[email protected]> wrote: > > Matthias Pfaller <[email protected] <mailto:[email protected]>> ezt írta (időpont: > 2023. márc. 17., P, 7:24): >> >> Do you have STP/RSTP enabled on the switch ports? When the link goes down >> when >> switching from firmware mode to kernel mode, the port will go back to >> blocking. When >> the dhcp requests don't make it to the dhcp server because of this and the >> link goes >> down and up again while retrying (don't know if this happens) you will get >> the same >> problem on the next try. As a simple test you could put a dumb unmanaged >> switch >> between your core network and the server. > Thanks for the idea, but I don't think this might be the case. > I can see the UDP datagrams coming into the kernel (replies to DHCP messages).
take look at src/stand/libsa/bootp.c, there is a compile option that allows many more options to be transferred via dhcp … BTW, where possible I’m moving to uefi, since pxeboot is failing with file to large … another issue i have with pxeboot, older versions work - better - , some are terribly slow, and some just hang. danny
