On Wed, 16 Feb 2000, Ingolf Koch wrote:
> The "ping6 S:S:S:S" succeeds, but iaccording to tcpdump on host B's
> ISDN interface, "ping6 D:D:D:D" only sends out the encapsulated
> echo requests without receiving any reply (in both cases). In the
> first case, the tunnel should not be affected by the NAT, right?

Check with your provider to make sure he doesn't filter the v6-in-v4
packets (IP protocol type 41).


 - Hubert

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