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From: hedrick@TOPAZ.RUTGERS.EDU (Charles Hedrick)
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  Ethernet problems induced by bogus ICMP Address Mask Reply
Message-ID: <8708091202.AA20575@topaz.rutgers.edu>
Date: Sun, 9-Aug-87 08:02:44 EDT
Article-I.D.: topaz.8708091202.AA20575
Posted: Sun Aug  9 08:02:44 1987
Date-Received: Sun, 9-Aug-87 21:45:14 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
Organization: The ARPA Internet
Lines: 6

I believe your ARP request for 0.0.60.216 is used during the boot
sequence, at a point when the Suns don't know their Internet address.
They seem to use their serial number as an address.  You'll also find
such addressing in the routing tables in certain versions of SunOS.
I suggest that you take 60 * 256 + 216, and see if you don't have
a Sun with that serial number.