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From: braden@ISI.EDU (Bob Braden)
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  ICMP echo
Message-ID: <8704281601.AA00730@braden.isi.edu>
Date: Tue, 28-Apr-87 12:01:32 EDT
Article-I.D.: braden.8704281601.AA00730
Posted: Tue Apr 28 12:01:32 1987
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The ICMP Echo Reply packet should start out with a new TTL value (in
your terms, yes, the TTL should be reset).  This follows from my
assumption that ICMP is a protocol layered above IP.

   Bob Braden