[SunHELP] problems booting with "boot net" and "boot cdrom"

[James]

On Tuesday 11 September 2001 12:29 am, you wrote:
> Hi, I am happy to find out there is a "help" mailing list for general
> questions. I am fairly new to using Sun machines, but I have extensive
> knowledge of *NIX itself.
>
> I am trying to get a ultra enterprise 2 machine back on it's feet. The
> CD-ROM just hangs after typing "boot cdrom", and in the same time there is
> no activity light on the drive. Bad cdrom?
>
> As far as booting from the network, I think I am missing some things. I
> found alot of docs on the internet, but they are all different in the
> procedures a sun box takes in booting from the network. Can anyone list
> this order of sequence? I understand that first an ip is needed, so a RARP
> request gets broadcasted. I have setup a rarp daemon, and I no longer get
> "Timeout waiting for arp/rarp packet". I assume when the sun box gets this
> reply, it tries to tftp to the machine that sent the reply and fetch a
> filename that's the machines IP in hex. Where does bootp come into play? Or
> doesn't it?
>
> Can anyone recommend a good sun book to start off with?
>
> Thanks alot, I greatly appreciate any help!
>
> Mike
if you have root access on another machine on the net, you can use tcpdump 
too watch what the ultra 2 is requesting and get a hint too what is 
happening.