On Fri, 8 Jun 2018, m.roth at 5-cent.us wrote: > We've been required to encrypt h/ds, and so have been rolling that out > over the last year or so. Thing is, you need to put in a password, of > course, to boot the system. My manager found a way to allow us to reboot > without being at the system's keyboard, a package called clevis. Works > fine... except in a couple of very special cases. > > Those systems, the problem is that, due to older software, and *very* > expensive licenses that are tied to a MAC address, I have to spoof the MAC > address since my users got new(er) machines. > > Clevis is trying to contact its password server, using the *real* MAC > address, but our DHCP has to serve the *spoofed* MAC address. I know, from > trying, that I can't have two entries for the same system. Can anyone > suggest a solution? Nothing wrong with having two MAC addresses listed for one IP. With ISC DHCP the label for a host has to be unique, but the hostname doesn't. jh