Cisco PIX OS 6.3.1 and Netfilters (IPTables) 1.2.7 and later handle
GRE over NAT just fine. You can create as many tunnels as your
bandwidth can handle.
Milon Papezik said:
> Hi all,
>
> one of our customers asked me following questions:
>
> Is it possible to pass GRE tunnel throught a many-to-one NAT (hide
> NAT, PAT) ?
> What FW product is capable of processing such conversion
> "transparently"?
>
> I reviewed both RFC 1701 and RFC 2784 and I came to conclusion that it
> is not
> generally possible by definition of GRE tunnel to translate it through
> NAT.
>
> What would be your expert's answer ?
>
> Thanks in advance for any thoughts,
> Milon
> --
> mmp_at_actinet.cz
>
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Received on Sep 01 2003
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