Subject: Re: Weird RARP packets from boot loader
To: Olaf Seibert <rhialto@polder.ubc.kun.nl>
From: Ignatios Souvatzis <ignatios@theory.cs.uni-bonn.de>
List: port-vax
Date: 03/30/1998 21:51:35
> I don't know if this is VAX-specific, but I noticed it with my MV 3100.
> 
> I am developing/porting the servers needed for netbooting off my BeBox
> with BeOS. After mopd I finished rarpd. When I boot the VAX, it succeeds
> in MOP loading the boot.mop file. The boot program then RARPs correctly
> and gets its IP address (10.0.0.3). Then it tries a bootparam "whoami"
> request. Not having ported rpc.bootparamd yet, this obviously fails and
> the request times out.
> 
> What happens then is wrong. Boot starts all over again with the RARP,
> but this time it seems to have forgotten or messed up its ethernet
> address. The RARP packets that I see on my BeBox have the all-zero
> ethernet address everywhere where previously they had the real ethernet
> address: in the ethernet source field, the RARP sender hardware address
> field and the RARP target hardware address field.
> 
> Re-MOPping boot.mop causes the first RARP request to work again.  
> 
> Is this a known bug? Is it even VAX-specific or does it even exist in
> all ports?

Ive seen this on other VAXen, too.
	-is