On Sun, Aug 2, 2015 at 2:53 AM, openbsd2012 <openbsd2...@breeno.net> wrote: > I decided that tonight was the time to upgrade my home router from OpenBSD > 5.2/amd64. I performed a new install of 5.7/amd64. During the install, a DHCP > lease could not be obtained on em0 from my ISP. On first boot it gave me "No > acceptable DHCPOFFERS received." > > This computer has a Supermicro X7SPA-HF mainboard (an Intel Atom CPU with two > onboard Intel gigabit NICs).
Some ISPs have MAC address restrictions--has this changed just prior to the 5.7 install? Also, with 5.8 almost finished, it might be worthwhile to try this with a snapshot as well. Lastly, you might want to try tcpdumping the DHCP session to gain more insight.
