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From: ron@BRL.ARPA.UUCP
Newsgroups: mod.protocols.tcp-ip
Subject: Re:  Help using ICMP under Ultrix ?
Message-ID: <8612182003.aa07541@SEM.BRL.ARPA>
Date: Thu, 18-Dec-86 20:03:02 EST
Article-I.D.: SEM.8612182003.aa07541
Posted: Thu Dec 18 20:03:02 1986
Date-Received: Fri, 19-Dec-86 23:37:40 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
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Approved: tcp-ip@sri-nic.arpa

In order to play around with ICMP messages on 4.2/Ultrix you need
to add fixed up RAW_ICMP protocol code and then the user code is
a fairly simple matter.  The code is in 4.3 or if you want you can
get new drivers for 4.2 from BRL-VGR via anonymous FTP and load the
file arch/ping.shar or arch/ping.tar

-Ron