"Dykes, James" wrote:
>
> I'm trying to install a xterminal on a different subnet than our I/A system
> is on. So far, I am unsuccessful at bring the terminal online. I'm using the
> Sun documentation provided by Foxboro and the method I'm using is boot
> net:host ip address,,xterminal ip address,gateway ip address. The message I
> receive on the xterminal is;
>
> Error while getting software from Boot Host
> Unable to continue
> Check Ethernet cables and transceivers
> If cables appear OK contact your administrator
> to see if a Boot Host and network is setup correctly
> Boot load failed
>
> Has anyone else seen this?
I don't think it will work. Sun X Terminals use
* rarp, which is a broadcast protocol initially, to get the initial IP
address.
* tftp to get the kernel from the same server that replied to the rarp
request
* NFS to mount it's file systems and fonts.
Of the 3 rarp is not routable, ie it can't be on another subnet. I have
not seen reference to any routers being able to proxy rarp either which
can be done with bootp/dhcp.
Your alternatives are.
1. Put another ethernet card in the boot server and put it on the other
network.
2. Put a boot server on the new subnet. You can pick up cheap second
hand SUN boxes for a song. It doesn't need much disk space, memory or
CPU grunt just to boot X Terms. You could use a linux box in lieu of the
sun box but it would be a non-trivial job to set it up and the nice GUI
configuration utility would be unavailable.
3. Replace the SUN XTerm with another like a Tektronix/NCD which can
have the IP address/settings stored in EEPROM. I have booted these
across subnets in the past.
Regards
Darryl Bond
>
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