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Path: utzoo!utgpu!water!watmath!clyde!rutgers!ames!ucbcad!ucbvax!TOPAZ.RUTGERS.EDU!hedrick
From: hedrick@TOPAZ.RUTGERS.EDU.UUCP
Newsgroups: comp.protocols.tcp-ip
Subject: off RIP packet
Message-ID: <8705061754.AA16825@topaz.rutgers.edu>
Date: Wed, 6-May-87 13:54:12 EDT
Article-I.D.: topaz.8705061754.AA16825
Posted: Wed May  6 13:54:12 1987
Date-Received: Fri, 8-May-87 05:42:46 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
Organization: The ARPA Internet
Lines: 16

Our Arpanet gateway, 10.1.0.89, is receiving RIP (Unix routed) packets
from 26.12.0.122.  This seems to have started yesterday.  Initially,
the packets caused our routing tables to get into a loop.  However I
have now fixed things so that we ignore them.  But does anybody know
what is going on?  We are still receving them.  I sent something to
root at that site and haven't yet gotten an answer.  The site seems to
be using the Wollongong System V TCP/IP implementation.  It is
possible that the packets are arriving via either Arpanet or NSFnet.
However a packet watch on the NSFnet side suggests that they are not
coming that way.  (Unfortunately I have no way to do packet watches on
the Arpanet side.)

Normally RIP packets are broadcast on all connected Ethernet
interfaces.  I thought the Arpanet didn't do broadcasting, and that
broadcasts certainly wouldn't go through the "mail bridges" between 26
and 10.  Am I wrong?