Hi all
I've got into some strange behavior with ipv6. Somehow ipfw reassembly totally brakes it's operation. As soon as I add a rule "ipfw add 100 reass all from any to any in" all ipv6 operation is not available any more, I can only ping6 localhost. Outgoing ipv6 packets are OK, I can see them via tcpdump on an interface stf0 and after that leaving encapsulated in ip4 through another interface. But all incoming ipv6 packets are blackholed. I can see them arriving as an encapsulated payload in ip4 and after that they disappear. I don't know if this a bug or a feature, using "ipfw add reass ip4 from any to any in" works as a workaround. Shouldn't reass just pass ipv6 packets intact? Or if it is a feature than maybe there should be a note in IPFW(8) man page to not to use reass for anything except ip4?
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