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Connectivity to Brazil

daemon@ATHENA.MIT.EDU (Steve Danelli)
Tue Feb 1 08:55:45 2011

From: Steve Danelli <the76posse@gmail.com>
Date: Tue, 1 Feb 2011 08:54:47 -0500
To: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Hello all!!!  First post here  =20

Some carrier, somewhere between us and the service provider is selectively d=
ropping the IKE packets originating from our VPN gateway and destined for ou=
r Brazil gateway. Other traffic is able to pass, as are the IKE packets comi=
ng back from Brazil to us. This is effectively preventing us from establishi=
ng the IPSEC tunnel between our gateways.
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Also something else is awry, for two given hosts on the same subnet (x.y.z.5=
2 and x.y.z.53), they take two wildly divergent paths:
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=20
For dest  x.y.x.52
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  16 ms     3 ms     3 ms  xe-2-3-0.cr1.lga5.us.above.net [64.125.31.34]
  2 ms     2 ms     2 ms  xe-0-1-0.er1.lga5.us.above.net [64.125.27.61]
  12 ms     3 ms    13 ms  e2-4-10000m.ar9.nyc1.gblx.net [208.178.58.197]
  117 ms   118 ms   118 ms  te3-4-10g.asr1.gru1.gblx.net [67.16.142.238]
  136 ms   137 ms   136 ms  ctbc-multimidia-data-net-s-a.gigabitethernet1-2.=
ar5.gru1.gblx.net [207.138.94.102]
  157 ms   136 ms   138 ms  xe-3-2-0-0.core-b.ula001.ctbc.com.br [201.48.44.=
165]
  132 ms   132 ms   141 ms  ge-3-0-0-0.core-b.spo511.ctbc.com.br [201.48.44.=
14]
  135 ms   133 ms   134 ms  ae1-0.edge-a.spo511.ctbc.com.br [201.48.44.93]
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For dest  x.y.x.53
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  3 ms     2 ms     3 ms  xe-2-3-0.cr1.lga5.us.above.net [64.125.31.34]
  2 ms     2 ms     2 ms  xe-1-1-0.er1.lga5.us.above.net [64.125.26.162]
  19 ms     3 ms    12 ms  e2-4-10000m.ar9.nyc1.gblx.net [208.178.58.197]
  117 ms   117 ms   117 ms  te3-4-10g.asr1.gru1.gblx.net [67.16.142.238]
  117 ms   117 ms   118 ms  64.209.106.170
  118 ms   118 ms   118 ms  ae1-0.edge-a.spo511.ctbc.com.br [201.48.44.93]
=20
Anyone have any insight on to what may be occurring?
=20


Sent from my iPhone=

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