Date: Thu, 18 Dec 1997 01:21:29 +0000 (GMT) From: Andrew Gordon <arg@arg1.demon.co.uk> Cc: benedict@echonyc.com, hackers@freebsd.org Subject: Re: ifconfig reports bogus netmask Message-ID: <Pine.BSF.3.91.971218011642.17820B-100000@server.arg.sj.co.uk> In-Reply-To: <26766.882398347@verdi.nethelp.no>
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On Wed, 17 Dec 1997 sthaug@nethelp.no wrote: > > This is only a problem if you want everyone to see your network topology. > > But why would someone need to traceroute you from another AS? > > - I traceroute to other ASes every day, and I find it extremely useful > to see for instance where a path stops. > > - traceroute is not the only use for ICMP. Notably, TCP path MTU discovery - where not seeing the ICMP messages rejecting your too-big packets can stop things working altogether.
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