Date: Thu, 18 Sep 2008 12:18:22 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: "Oleg V. Nauman" <oleg@opentransfer.com> Cc: freebsd-stable@freebsd.org Subject: Re: RELENG_7: something is very wrong with UDP? Message-ID: <20080918191822.GA25698@icarus.home.lan> In-Reply-To: <20080918180543.pt7s2zmaio48ww8g@webmail.opentransfer.com> References: <20080918180543.pt7s2zmaio48ww8g@webmail.opentransfer.com>
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On Thu, Sep 18, 2008 at 06:05:43PM +0300, Oleg V. Nauman wrote: > c) traceroute prints 0.00 like response time for every host Interesting, since traceroute bases the RTT on the amount of time it takes between the initial packet sent (see below) and the time it receives the ICMP port unreachable response. Yes, I am fully aware traceroute uses UDP as the default protocol to induce said ICMP. That said, does the erroneous behaviour go away when using -P tcp? -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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