> With 2.4.0-test11, when ip_no_pmtu_disc is still 0/false we're seeing > outbound udp packets with the IP DF bit set. Is this change in default > behavior a fix or a break? Its a change in behaviour > So, it appears that 2.4 fixed a problem with 2.2, correct? > [stop non expert thinking] 2.2 only supports it for TCP > Intel PXE uses tftp to download boot images and discards IP packets with > the DF bit set; so a tftpd server on 2.4 with the default Then Intel PXE is buggy and you should go spank whoever provided it as well as doing the workarounds. Supporting received frames with DF set is mandatory. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/