Date: Tue, 19 Feb 2008 22:13:34 +0000 From: Rui Paulo <rpaulo@FreeBSD.org> To: John Hay <jhay@meraka.org.za> Cc: freebsd-net@freebsd.org Subject: Re: traceroute AS path patch Message-ID: <650763DB-B6D6-4533-AF89-8A8DF8205BA2@FreeBSD.org> In-Reply-To: <20080218104116.GA56893@zibbi.meraka.csir.co.za> References: <5C5B3E4E-AE10-449C-925C-C9AB681FB6C3@FreeBSD.org> <20080218104116.GA56893@zibbi.meraka.csir.co.za>
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On Feb 18, 2008, at 10:41 AM, John Hay wrote: > Hi Rui, > > On Sun, Feb 17, 2008 at 09:30:44PM +0000, Rui Paulo wrote: >> Hi, >> The attached patch ports a traceroute functionality from FreeBSD >> called AS path. >> The concept is simple. On each hop we query a whois server to find >> the >> corresponding hop AS number. >> >> I think it doesn't hurt if we have this functionality. >> >> An example output: >> traceroute to freebsd.org (69.147.83.40), 64 hops max, 72 byte >> packets >> ... >> 7 [AS6453] if-2-1.core1.PV9-Lisbon.teleglobe.net (195.219.187.21) >> 35.105 ms 34.008 ms 35.334 ms >> 8 [AS6453] 195.219.144.5 (195.219.144.5) 63.880 ms 60.448 ms >> 60.809 ms >> 9 [AS6453] 195.219.144.10 (195.219.144.10) 138.593 ms 193.709 ms >> 173.415 ms >> 10 [AS7199] if-2-0.core1.NJY-Newark.teleglobe.net (216.6.63.10) >> 133.912 ms 134.393 ms 144.071 ms >> 11 [AS9557] if-3-1.mcore3.NJY-Newark.teleglobe.net (216.6.57.1) >> 135.600 ms 144.979 ms 168.247 ms >> 12 [AS9557] if-12-0-0-741.core4.AEQ-Ashburn.teleglobe.net >> (216.6.57.70) 180.346 ms 138.718 ms 138.927 ms >> 13 [AS6453] 64.86.85.38 (64.86.85.38) 142.745 ms 143.163 ms >> 143.358 ms >> 14 [AS26085] so-0-0-0.pat2.pao.yahoo.com (216.115.101.130) 252.417 >> ms 213.377 ms 212.859 ms >> 15 [AS26085] ge-0-1-0-p301.pat1.sjc.yahoo.com (216.115.106.147) >> 214.709 ms 213.198 ms 235.253 ms >> 16 [AS26085] g-1-0-0-p160.msr1.sp1.yahoo.com (216.115.107.61) >> 219.091 ms >> [AS26085] g-0-0-0-p170.msr2.sp1.yahoo.com (216.115.107.81) >> 217.650 ms >> [AS26085] g-1-0-0-p160.msr1.sp1.yahoo.com (216.115.107.61) >> 286.376 ms >> 17 [AS36752] ge-1-45.bas-b2.sp1.yahoo.com (209.131.32.49) 213.747 >> ms >> [AS36752] ge-1-41.bas-b2.sp1.yahoo.com (209.131.32.33) 274.140 ms >> [AS36752] ge-1-45.bas-b2.sp1.yahoo.com (209.131.32.49) 213.341 ms >> 18 [AS36752] freebsd.org (69.147.83.40) 214.386 ms 223.515 ms >> 212.548 ms >> >> >> What do you think? > > Would it be difficult to add it to traceroute6 too? It would be great > if we can keep features in sync. I will try to do it after committing this patch. Regards. -- Rui Paulo
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