traceroute AS path patch
Rui Paulo
rpaulo at FreeBSD.org
Tue Feb 19 22:17:25 UTC 2008
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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