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All documentation (including microsoft's) about Teredo mentions the existance of Teredo Servers and Teredo Relays (and host-specific relays). Microsoft itself even runs public Teredo Servers (but no relays).

But when I try to configure Teredo in Windows 7 Ultimate (or Enterprise), I can only enter one servername/IP adress in netsh, wich seems to be used as the teredo server and relay.

I would like to run my own relay, but use another public server. Is this possible?

The reason for this question is I'd like to use DirectAccess, but you need 2 consecutive IPv4 addresses, which i don't have, and cannot get on my network. According to the DirectAccess documentation, the 2 IP addresses are only used to run the Teredo Server. I hope to circomvent this by using microsoft's own public teredo server, but my own teredo relay.

Thanks in advance!

RedFury
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1 Answers1

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You are right. A lot of companies doesn't have a a public DMZ so they cannot have two public IPs in the server witouht NAT.

Without this Teredo doesnt work.

In Windows Server 2008 for enable Direct Access from the GUI you have to enable Teredo, so if you don't have this requierement it won't work. You have two alternatives:

  1. Configure Direct Acess using the command prompt. You can enable the IPv6 transitions technoliges (6to4 and IPHTTPS) using netsh. You also have to configure the clients and IPSec.
  2. In Windows Server 2012 you can configure Direct Access without Teredo, only with IPHTTPS, so you dont need public IPs anymore.
Ricardo Polo Jaramillo
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