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I have 2 computers that are about as similiar as they can be

  • Both run Fedora Linux 15 x64
  • Both are behind the same IPv4 only NAT (my house)
  • Both run Miredo (Teredo Tunneling) and have unique addresses
  • Both are using Microsoft's Teredo Server copied from here
  • Both have working IPv6 connections, meaning I can get on sites like http://ipv6.google.com/
  • Both have their firewalls disabled

In order to do some testing of project though I need to be able to connect to a server running on one of the computers over IPv6. However it doesn't work, the connection just times out (I'm testing with netcat6). ping6ing the other computer times out. There doesn't seem to be any way to have the two computers talk to each other over IPv6.

What could I be doing wrong? The setups are identical, so I'm out of ideas. Does Teredo not allow pinging other Teredo clients? Does both computers being behind the same NAT affect anything?

Community
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TheLQ
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1 Answers1

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From here:

A Teredo relay must forward all of the data on behalf of the Teredo clients it serves, 
with the exception of direct Teredo client to Teredo client exchanges.

I'll try to obtain a tunnel through http://sixxs.net and to see whether connection from behind teredo to my machine behind SixXS will work.

P.S. connection from a machine behind Teredo to a machine behind sixxs.net's AYIYA tunnel does not work either, I don't know why.

Dmytro Sirenko
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