On 2013-02-13 22:29, hvlems at zonnet.nl wrote: Then why holds NCP the required load file for a given MAC address? It don't on RSX... That led me to believe that all the MOP client provided was a MAC address. All ethernet packets provide a source MAC address... :-) Johnny -----Original Message----- From: Johnny Billquist <bqt at softjar.se> Sender: owner-hecnet at Update.UU.SE Date: Wed, 13 Feb 2013 22:24:54 To: <Paul_Koning at Dell.com> Reply-To: hecnet at Update.UU.SECc: <hecnet at Update.UU.SE> Subject: Re: [HECnet] NT 4 on AlphaServer es40 On 2013-02-13 20:39, Paul_Koning at Dell.com wrote: On Feb 13, 2013, at 12:57 PM, Johnny Billquist wrote: On 2013-02-13 18:52, Paul_Koning at Dell.com wrote: On Feb 13, 2013, at 11:12 AM, Johnny Billquist wrote: ... Fun detail: when devices want to MOP boot on a network where you have both a VAX and a PDP-11, the PDP-11 normally ends up serving the image, since it responds much faster than the VAX. That's because the VMS MOP server did its lookup for a match in the node database by a linear search. I never could convince the engineer responsible for that code to use a better algorithm. Which is silly in it self. Why even search the node database? After all, the MOP request holds all the information needed to serve it. RSX don't do a lookup at a boot request. It just serves it. I thought at least primary boot requests tend to just say "help me" so you need a lookup to find the name of the file to load. Optional. At least DECservers actually provide in the request what file they want to boot. Johnny -- Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt at softjar.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol