AddressTranslator

[Juan Luis Baptiste]

Hi,

If you made your config file based in the one in the cvs (ip64*.click) they have a LOT of problems  (see mail archive). I have made a working version of it but it runs in user level, making it to run with kernel module shouldn't be too hard. If you want I can send it to you.


Bye

Juan Luis Baptiste M.

-----Original Message-----
From: Frederik Scholaert <Frederik.Scholaert at rug.ac.be>
Date: Wed, 6 Mar 2002 12:37:06 +0100 (MET)
To:  <click at amsterdam.lcs.mit.edu>
Subject: AddressTranslator


> 
> Hi,
> 
> I'm busy with the translator and i got some questions, hope you
> can help me. The situation is like this:
> 
> IPv6 host: fec0:0:0:1::65
> 	   10.0.1.101
> 
> IPv4 host: 10.0.2.102
> 
> From the IPv4 only host, i can ping the IPv6 only host (ping 10.0.1.101),
> which is correctly transformed, this is, when the IPv6 packet arrives at
> the IPv6 only host it has destination fec0:0:0:1::65 and source
> ::10.0.2.102.
> Then i get a echo reply back from the IPv6 host, but when it arrives at
> the AddressTranslator, i get a 'Unable to handle kernel NULL pointer
> dereference ...' (kernel Oops).
> 
> So i guess the error must be in my AddressTranslator config, it looks like
> this: '1, 0, fec0:0:0:1::65 ::10.0.1.101, 0'.
> 
> So this means it contains 1 static mapping (fec0:0:0:1::65 ::10.0.1.101),
> and no static port mapping or dynamic mapping. The man page says that for
> the inward packet stream, the destination address will be replaced (ok,
> works) and for the outward packet stream the source address will be
> replaced (doesn't work, kernel Oops).
> 
> I think everything is good connected,
> 
> Inward packet stream (IPv4->IPv6):
>  ... -> StaticIPLookup -> ... -> ProtocolTranslator46 ->
> [1]AddressTranslator[1] -> ... -> LookupIP6Route -> ...
> 
> Outward packet stream (IPv6->IPv4):
>  ... -> LookupIP6Route -> [0] AddressTranslator[0] ->
>  ProtocolTranslator64 -> ... -> StaticIPLookup -> ...
> 
> thank you very much if you can give me some feedback,
> 
> Bye,
> Frederik
> 
> 


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