Hello, I have been trying to run a PXE boot on a Lenovo Thinkpad t470s with cloud-init. The idea is that we can autoinstall all new laptops that come in (will mostly be t470s). Both the uefi and legacy boot are giving me problems. On a VM legacy boot works perfectly but UEFI hangs after Getting cached packet My IP is 172.16.62.104 On the thinkpad however, the legacy boot has problems while downloading the ubuntu-desktop package and afterwards wont even boot into ubuntu (even when I try to do an install without autoinstall, I am able to fully install ubuntu but afterwards not able to boot into it). UEFI on the thinkpad is even worse, it will get to the getting cached packet part but after keeps sending the same messages until after a few minutes the laptop just restarts. >>Start PXE over IPv1 Sation IP address is Getting cached packet: My IP is 172.16.62.104 core_udp_sendto: stalling on configure with no mapping core_udp_sendto: stalling on configure with no mapping core_udp_sendto: stalling on configure with no mapping core_udp_sendto: stalling on configure with no mapping core_udp_sendto: stalling on configure with no mapping core_udp_sendto: stalling on configure with no mapping core_udp_sendto: aborting on no mapping core_udp_sendto: stalling on configure with no mapping core_udp_sendto: stalling on configure with no mapping ... The files are being served our server via dnfmasq which is set up as a proxy dhcp server and tftp server. We are using syslinux6.03 for the kernel files (I have also tried with 6.04 which instead of restarting the "core_udp_sendto: stalling on configure with no mapping" lines, would just go onto trying to boot via ipv6, not finding anything and restarting again). I know not all my problems have to do with syslinux but from what I found online at least the part of not being able to get into the PXE boot menu might be. The UEFI BIOS version is N1WET66W (1.45) for the thinkpad. I have been searching for two entire days now and found an old post on this thread with a similar problem in the archives but it ends before a solution was found. I hope someone is able to help me. Kind regards, Corneel