On Sat, 31 May 1997, Kevin Williams wrote:

> 
> Forgive the moron question...
> 
> Could someone tell me how mop works?

MOP is in fact two different protocols. One is for loading and dumping 
information and one is for console communication.

A MOP client can ask for an image in two different ways. With or without 
a filename. The normal way is to not specify a filename then MOP expects
the MOP server to lookup what file to load in some type of database.

But if a vax is booted with B/100 xxxx (where xxxx is the ethernet device)
the bootprom will ask for a filename. This filename will be normaly be 
converted to uppercase by the bootprom.

In the mopd case I didn't want to implement a database. So the simple way 
was to let the filesystem be the database. This was done by using the
ethernet address as filename if no filename was given.

The initial request for an image is done by a multicast. If a MOP server 
has the image it will answer the request. The client will select the server
of the first response to assist with the loading of the file. The server
is notified by another copy of the request for the image, but this time
it's directed to the servers ethernet address.

> 
> I have a linux Box, I compiled the program... Now what?
> 

What program mopd? How about reading the man page?

Mopd expects to find files in /tftpboot/mop. 

Another question is what do you want to do? If it is netbooting netbsd
look in the mail archives. I think there is a good description there.
ftp://ftp.netbsd.org/pub/NetBSD/mail/port-vax

> >From what I've read, it will but the VAX through ethernet..
> 
> Is this correct? If so, how do I envoke it?
> 
> Thanks again everyone..
> 
> Kevin Williams
> 
> ----------------------------------------------------------------------------
> 
> "When you are looking out the window of a fast moving car for a while, you begin to develop a feeling 
> of timelessness, of not belonging to this world, of not taking part in its activities... ...this is 
> the time when dreams and fantasies take over from the more profane thoughts of everyday life."
> 
>  - Edgar Froese
> 
> kevinw@why.net
> http://www.why.net/users/kevinw
> 
> 
> 
> 

-moj

------------------------------------------------------------------------------
Mats O Jansson, CelsiusTech Systems, Jaerfaella, Sweden
email: maja@celsiustech.se (or moj@stacken.kth.se)