Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83; site umcp-cs.UUCP
Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!genrad!panda!talcott!harvard!seismo!umcp-cs!chris
From: chris@umcp-cs.UUCP (Chris Torek)
Newsgroups: net.dcom
Subject: Re: SUN IP net warnings
Message-ID: <1508@umcp-cs.UUCP>
Date: Fri, 6-Sep-85 14:17:46 EDT
Article-I.D.: umcp-cs.1508
Posted: Fri Sep  6 14:17:46 1985
Date-Received: Mon, 9-Sep-85 03:01:23 EDT
References: <683@wdl1.UUCP>
Organization: U of Maryland, Computer Science Dept., College Park, MD
Lines: 13

>  We have observed SUN 2.0 units using some strange Internet
> addresses not their own.  During booting, they generate protocol
> 77 packets with various source IP addresses on network 0, sent as
> broadcasts to destination addresses of [0,0,0,0].  They will also
> send out ARP information for these strange net 0 source addresses.

Protocol 77 is the network disk.  Sounds like you have a diskless
node that is attempting to determine its Ethernet address so that
it can boot.  (My advice: get a local disk....)
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 4251)
UUCP:	seismo!umcp-cs!chris
CSNet:	chris@umcp-cs		ARPA:	chris@maryland