[ds6] resources for configuring isatap tunnel on linux

Peter Bieringer pb at bieringer.de
Sun Oct 22 20:34:57 CEST 2006


Hi Michael,

michael at michaelshiloh.com schrieb:
> Hello list,
> 
> I have a need for configuring an ISATAP tunnel between two computers on a
> local network. This isn't a practical application - it's for testing.
> 
> I'm not finding much recent information about ISATAP in Linux, so my first
> question is, does Linux support ISATAP?

ISATAP should be supported by usagi-extension for the Linux kernel.

> My second question is this: I have configured a tunnel between two Linux
> computers.  Ifconfig shows the encapsulation as "IPv6-in-IPv4". How can
> I tell
> what kind of 6 in 4 encapsulation this is? 

It is plain IPv6-in-IPv4.

IPv4-Header (transport proto=41) | IPv6-Header | IPv6-Payload.

> For all I know it already is
> ISATAP.

No.

> Perhaps you will tell me that the difference between ISATAP and the other
> (6over4?)

See here for more details:

http://www.csc.fi/~psavola/residential.html
http://www.join.uni-muenster.de/Dokumente/Howtos/Howto_ISATAP.php?lang=en

Hope this helps,
	Peter
-- 
Dr. Peter Bieringer                     http://www.bieringer.de/pb/
GPG/PGP Key 0x958F422D                       mailto:pb at bieringer.de
Deep Space 6 Co-Founder and Core Member  http://www.deepspace6.net/


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