[v6test] Test methodology

Matthias Wimmer m at tthias.eu
Fri Jan 18 14:09:10 UTC 2008


Hi Thorsten!


Thorsten Behrens schrieb:
> XP SP2
[...]
> - Teredo does not support "PAT" aka "Hide-NAT". This means that an XP 
> machine that is behind a home router won't work with Teredo, unless, 
> possibly, the router is set to treat the machine is in a "DMZ", which 
> sets up a one-to-one static NAT to that machine.
> - Machines that are either directly on a public network or static-NATed 
> will resolve IPv6 addresses through Teredo, and will be able to connect 
> to IPv6 hosts
> - The command to see Teredo data is "netsh int ipv6 show teredo", and 
> the message indicating that a user is behind PAT is 
> "Error                   : client behind symmetric NAT"

I cannot confirm this. AFAIK it's only symmetric NAT that is not
supported. I just setup a small test environment to check it and I am
using a standard (cheep) home router doing NAT for home networks and XP
SP2 did establish Teredo connectivity:

(sorry for the output being German)

C:\Dokumente und Einstellungen\matthias>ipconfig

Windows-IP-Konfiguration


Ethernetadapter Drahtlose Netzwerkverbindung:

        Verbindungsspezifisches DNS-Suffix:
        IP-Adresse. . . . . . . . . . . . : 192.168.1.202
        Subnetzmaske. . . . . . . . . . . : 255.255.255.0
        IP-Adresse. . . . . . . . . . . . : fe80::213:ceff:fe01:3e4e%4
        Standardgateway . . . . . . . . . : 192.168.1.1

Ethernetadapter LAN-Verbindung:

        Medienstatus. . . . . . . . . . . : Es besteht keine Verbindung

Ethernetadapter Bluetooth Network:

        Medienstatus. . . . . . . . . . . : Es besteht keine Verbindung

Tunneladapter Teredo Tunneling Pseudo-Interface:

        Verbindungsspezifisches DNS-Suffix:
        IP-Adresse. . . . . . . . . . . . :
2001:0:4137:9e66:0:fb9e:abc6:d87f
        IP-Adresse. . . . . . . . . . . . : fe80::ffff:ffff:fffd%7
        Standardgateway . . . . . . . . . : ::

Tunneladapter Automatic Tunneling Pseudo-Interface:

        Verbindungsspezifisches DNS-Suffix:
        IP-Adresse. . . . . . . . . . . . : fe80::5efe:192.168.1.202%2
        Standardgateway . . . . . . . . . :

C:\Dokumente und Einstellungen\matthias>netsh int ipv6 show teredo
Teredo-Parameter
---------------------------------------------
Typ                     : client
Servername              : default
Clientaktual.-intervall : default
Clientport              : default




Matthias

-- 
Matthias Wimmer      Fon +49-700 77 00 77 70
Züricher Str. 243    Fax +49-89 95 89 91 56
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