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Poor connectivity to new b.root-servers.net address?

  • From: sthaug
  • Date: Tue Feb 03 16:42:16 2004

I have two sites (in AS 2116 and 3307) here in Norway which cannot
reach the new b.root-servers.net address, 192.228.79.201. No answers
to DNS requests, no ping replies, traceroute times out. Everything
works normally from a third site, in AS 224.

Both prefixes (193.71.0.0/16 and 194.19.0.0/17) of the problem
addresses are visible on route-views.oregon-ix.net, via multiple
paths.

Any suggestions why this is happening?

Steinar Haug, Nethelp consulting, [email protected]
---------------------------------------------------

traceroute from AS 2116 (source address 193.71.2.2):
 1  vortex-e1 (193.69.2.1)  0.211 ms  0.168 ms  0.148 ms
 2  v560.rs1.osl-sand.inet.catchcom.no (193.75.4.117)  0.364 ms  0.376 ms  0.324 ms
 3  ge-0-2-0-202.br3.gaus.no.catchbone.net (193.75.3.61)  0.831 ms  0.991 ms  0.718 ms
 4  so-0-3-0.ar1.OSL1.gblx.net (64.213.23.65)  0.728 ms  0.717 ms  0.824 ms
 5  pos12-0-2488M.cr2.HAM1.gblx.net (67.17.74.185)  18.857 ms  18.855 ms  19.101 ms
 6  so0-0-0-2488M.cr2.LON3.gblx.net (67.17.64.38)  43.637 ms  43.511 ms  43.546 ms
 7  so7-0-0-2488M.ar2.LON3.gblx.net (67.17.66.30)  43.604 ms  43.869 ms  43.626 ms
 8  Level-3public-peering.ge-5-0-0.ar2.LON3.gblx.net (208.51.239.162)  43.768 ms  43.852 ms  43.923 ms
 9  ae-0-55.mp1.London1.Level3.net (212.187.131.161)  44.186 ms  44.197 ms  44.149 ms
10  so-1-0-0.mp1.London2.Level3.net (212.187.128.49)  44.388 ms  44.417 ms  44.245 ms
11  so-1-0-0.bbr1.Washington1.Level3.net (212.187.128.138)  117.160 ms  117.296 ms  116.990 ms
12  so-3-0-0.mpls1.Tustin1.Level3.net (209.247.8.121)  178.607 ms  178.837 ms  178.576 ms
13  so-10-0.hsa1.Tustin1.Level3.net (209.244.27.154)  178.710 ms  178.529 ms  178.500 ms
14  * * *
15  130.152.181.66 (130.152.181.66)  177.340 ms  177.246 ms  177.298 ms
16  * * *

traceroute from AS 3307 (source address 194.19.15.2):
 1  nethelp-gw.banetele.net (194.19.15.1)  0.987 ms  0.891 ms  0.882 ms
 2  oslo-a2.banetele.net (194.19.80.13)  6.389 ms  6.234 ms  6.205 ms
 3  sand.osl.banetele.net (194.19.81.45)  6.498 ms  6.337 ms  6.332 ms
 4  if-1-2.core2.Oslo.teleglobe.net (80.231.89.21)  7.128 ms  6.739 ms  6.796 ms
 5  if-5-0.core1.Oslo.teleglobe.net (80.231.88.5)  119.151 ms  119.004 ms  119.184 ms
 6  if-4-11.core2.London2.teleglobe.net (80.231.88.14)  210.376 ms  199.959 ms  206.017 ms
 7  if-9-0.core2.Newark.Teleglobe.net (66.110.8.141)  118.323 ms  118.300 ms  118.073 ms
 8  if-7-0.core1.Newark.Teleglobe.net (207.45.222.161)  117.308 ms  117.072 ms  116.978 ms
 9  if-5-0.core2.Ashburn.Teleglobe.net (66.110.8.17)  116.370 ms  116.979 ms  116.195 ms
10  so-1-2-0.e1.Washington1.Level3.net (65.59.88.209)  113.998 ms  113.905 ms  113.767 ms
11  so-2-1-0.bbr1.Washington1.Level3.net (209.244.11.9)  114.371 ms  113.935 ms  113.795 ms
12  so-1-0-0.mpls2.Tustin1.Level3.net (209.247.8.117)  183.813 ms  183.557 ms  183.711 ms
13  so-8-0.hsa1.Tustin1.Level3.net (209.244.27.166)  183.242 ms  183.647 ms so-11-0.hsa1.Tustin1.Level3.net (209.244.27.162)  183.154 ms
14  * * *
15  130.152.181.66 (130.152.181.66)  182.641 ms  182.046 ms  185.201 ms
16  * * *

traceroute from AS 224 (source address 129.241.1.16):
 1  runit-sw1.runit.no (129.241.1.1)  5.753 ms  2.719 ms  0.953 ms
 2  runit-gw.runit.no (129.241.249.77)  15.607 ms  13.284 ms  16.016 ms
 3  trd-gw (129.241.249.14)  14.025 ms  14.839 ms  10.817 ms
 4  oslo-gw1 (128.39.46.1)  22.427 ms  18.854 ms  20.827 ms
 5  no-gw.nordu.net (193.10.68.101)  18.472 ms  20.159 ms  21.216 ms
 6  se-kth.nordu.net (193.10.68.29)  29.554 ms  29.238 ms  29.233 ms
 7  so-1-0.hsa2.Stockholm1.Level3.net (213.242.69.21)  28.094 ms  27.161 ms  29.325 ms
 8  so-4-1-0.mp2.Stockholm1.Level3.net (213.242.68.205)  30.072 ms  27.242 ms  25.611 ms
 9  so-0-0-0.mp1.London2.Level3.net (212.187.128.61)  61.408 ms  59.909 ms  65.957 ms
10  so-1-0-0.bbr1.Washington1.Level3.net (212.187.128.138)  137.661 ms  134.997 ms  136.561 ms
11  so-1-0-0.mpls2.Tustin1.Level3.net (209.247.8.117)  196.734 ms  198.486 ms  202.194 ms
12  so-11-0.hsa1.Tustin1.Level3.net (209.244.27.162)  201.479 ms  199.805 ms so-8-0.hsa1.Tustin1.Level3.net (209.244.27.166)  198.810 ms
13  67.30.130.66 (67.30.130.66)  216.913 ms  215.330 ms  214.481 ms
14  130.152.181.66 (130.152.181.66)  214.449 ms  217.795 ms  211.176 ms
15  b.root-servers.net (192.228.79.201)  216.927 ms  211.889 ms  213.429 ms