delays to google

Nuno Vieira - nfsi telecom nuno.vieira at nfsi.pt
Thu May 14 12:12:33 CDT 2009


maybe is a good time to enable IPv6 :-)

We noticed issues on IPv4, but IPv6 was working perfectly (we are on Google IPv6 program)...

I was able to access google all the times, as i was using IPv6 as preferred transport

IPv4: 

traceroute to www.google.com (209.85.227.104), 30 hops max, 40 byte packets
 1  ge130-1000m.cr2.lisboa.nfsi.pt (81.92.200.126)  0.159 ms  0.154 ms  0.148 ms
 2  xe12-10GE.xmr1.Lisbon.as25137.net (81.92.201.10)  0.330 ms  0.408 ms  0.450 ms
 3  if-3-1.core1.PV9-Lisbon.as6453.net (195.219.187.49)  0.238 ms  0.279 ms if-3-2.core1.PV9-Lisbon.as6453.net (195.219.186.9)  0.275 ms
 4  if-12-0-0.mcore3.L78-London.as6453.net (195.219.144.5)  27.960 ms  27.993 ms  28.083 ms
 5  if-1-0-0.mse1.LRT-London.as6453.net (195.219.144.2)  27.483 ms  27.225 ms  27.224 ms
 6  if-13-0-0-3.mcore3.LDN-London.as6453.net (195.219.195.21)  34.298 ms  33.299 ms  33.242 ms
 7  Vlan1254.icore1.LDN-London.as6453.net (195.219.195.90)  27.223 ms  27.219 ms  27.302 ms
 8  xe-10-2-0-edge3.london1.level3.net (4.68.63.105)  27.444 ms  27.444 ms  27.437 ms
 9  ae-11-51.car1.London1.Level3.net (4.69.139.66)  27.566 ms  27.673 ms ae-21-52.car1.London1.Level3.net (4.69.139.98)  27.656 ms
10  * * *
11  * * *
12  * 66.249.95.170 (66.249.95.170)  373.764 ms 72.14.232.134 (72.14.232.134)  387.434 ms
13  * * *
14  *  (209.85.243.93)  403.618 ms *
15  wy-in-f104.google.com (209.85.227.104)  376.948 ms * *

IPv6:

traceroute to www.google.com (2001:4860:a004::68), 30 hops max, 40 byte packets
 1  ge-1.Edge1.ip6.Lisbon.NFSi.pt (2001:b18::ffff)  8.656 ms  8.692 ms  8.736 ms
 2  2001:5a0:1500::1 (2001:5a0:1500::1)  0.585 ms^C
root at matrix:/var/log# traceroute6 www.google.com
traceroute to www.google.com (2001:4860:a004::68), 30 hops max, 40 byte packets
 1  ge-1.Edge1.ip6.Lisbon.NFSi.pt (2001:b18::ffff)  0.133 ms  0.212 ms  0.209 ms
 2  2001:5a0:1500::1 (2001:5a0:1500::1)  0.198 ms 2001:5a0:1500::11 (2001:5a0:1500::11)  0.192 ms *
 3  2001:5a0:1500::1a (2001:5a0:1500::1a)  26.925 ms * *
 4  2001:5a0:c00:100::e (2001:5a0:c00:100::e)  36.672 ms * *
 5  2001:5a0:200::5 (2001:5a0:200::5)  130.695 ms  130.838 ms  130.826 ms
 6  pr61.ams04.net.google.com (2001:7f8:1::a501:5169:1)  42.306 ms  41.953 ms  42.176 ms
 7  * * *
 8  * * *
 9  ww-in-x68.google.com (2001:4860:a004::68)  42.858 ms  45.349 ms  44.190 ms

Those traceroutes have been taken 1 hour ago, orso, but now everything looks ok in both protocols.

cheers,
---
Nuno Vieira
nfsi telecom, lda.

nuno.vieira at nfsi.pt
Tel. (+351) 21 949 2300 - Fax (+351) 21 949 2301
http://www.nfsi.pt/




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