Q:

booting problem on Solaris

I am not able to connect to my server via network and plug console cable via A Lom port and keep getting this message and can't do anything.  since I am not able to go ok> prompt.  I am logged thorough terminal windows.  I an't find a way to go ok> prompt. 
   Timeout waiting for ARP/RARP packet 
any suggestion.  thanks in advance

A:

You say that you have a terminal connection in to the ALOM, so I assume your server is a V240 or similar.  To get to the ok prompt from there:

Exit out of the console by typing Enter # . ( that's the enter key, followed by hash, followed by dot).  You should now be at the sc> prompt. 
Send a break signal by typing break -y
Return to the console with console -f

As Iain says, the console messages indicate that the server is trying to boot off the network.  You can use the boot command to manually boot off a disk or cdrom.  You should also change the default boot device.  At the ok prompt you can do this with the printenv and setenv commands, or alternatively you can boot into Solaris and do this with the eeprom command.