[136112] in North American Network Operators' Group

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Re: Connectivity to Brazil

daemon@ATHENA.MIT.EDU (Steve Danelli)
Tue Feb 1 09:22:33 2011

In-Reply-To: <311170.10596.qm@web121603.mail.ne1.yahoo.com>
From: Steve Danelli <the76posse@gmail.com>
Date: Tue, 1 Feb 2011 09:21:37 -0500
To: isabel dias <isabeldias1@yahoo.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Isabel - I am a network engineer working for a small financial firm outside P=
hiladelphia. =20

Can you offer any insight?


On Feb 1, 2011, at 9:10 AM, isabel dias <isabeldias1@yahoo.com> wrote:

> who are you?
>=20
> From: Steve Danelli <the76posse@gmail.com>
> To: "nanog@nanog.org" <nanog@nanog.org>
> Sent: Tue, February 1, 2011 1:54:47 PM
> Subject: Connectivity to Brazil
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> Hello all!!!  First post here =20
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> Some carrier, somewhere between us and the service provider is selectively=
 dropping the IKE packets originating from our VPN gateway and destined for o=
ur Brazil gateway. Other traffic is able to pass, as are the IKE packets com=
ing back from Brazil to us. This is effectively preventing us from establish=
ing 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=
.52 and x.y.z.53), they take two wildly divergent paths:
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> 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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>=20
> 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
>=20
>=20
> Sent from my iPhone
>=20

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