SUMMARY: Getting the original ethernet address

From: Brett Lymn (
Date: Thu Nov 14 1996 - 01:49:47 CST

I sent out the following request:

> I have a SS1000 that has a mixture of FSBE and SWIFT cards in
>it which are currently connected to a load of subnets on our network.
>I now want to start putting a ethernet-switch into the network which
>will get confused by the sun appearing on all the networks with the
>same ethernet address which, by default, a sun is wont to do. So, I
>need to reset the ethernet addresses of the network interfaces - fine,
>I use ifconfig to do that. But, how do I find out the original
>ethernet address of the cards in my system???? I have had a bit of a
>fumble through prtconf but could not see any obvious ethernet
>addresses (apart from the system one which is in the sysid register).
>How can I fish out the "real" ethernet addresses of the cards?
>BTW Quite a while ago there was a question about a "null" xserver. I
>was waiting for a summary on this one but have not seen it. I sent
>mail to the person who posed the question but never received a reply.
>Did anyone reply to this question? If they did can they let me know
>the answer.... I _will_ summarise this one too.

The general consensus was that the extra network interface cards do
not have their own network interface number, they are expected to use
the system one. About the only thing I can do is scrounge some
ethernet numbers from "known dead" devices and re-use them on our Sun.
I am currently going over our dead machines to see if I can get some
"real" sun numbers to use.

As for the null Xserver stuff - I got a response from the Rick Dipper II
about this. He says that he did not get any workable solutions to
this. A pity because it would be very handy for me.

A big thanks to: (Brian Desmond) (Kevin Sheehan {Consulting Poster Child})
 Alex Finkel <>
 mshon@sunrock.East.Sun.COM (Michael J. Shon {*Prof Services} Sun Rochester) ("Michael Salehi x22725")
 Fedor Gnuchev <> (Jeff Wasilko)
 Gokhan Ozkan <>
 Rick Dipper - IT <>

For their help.

Brett Lymn, Computer Systems Administrator, AWA Defence Industries
  "Upgrading your memory gives you MORE RAM!" - ad in MacWAREHOUSE catalogue.

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