> For example, some UDP based services (IKE for example), need to know
> the actual destination address that was used in the incoming UDP
> packet. In IPv4, the only way to get this was to enable raw mode and
> dig it out from the packet. I guess for this special need, the packet
> information of RFC2292bis should work for both IPv4 and IPv6?
In IPv4 you can get this with the IP_RECVDESTADDR(sp?)
socket option which uses ancillary data just like the IPv6 advanced
API options.
So it seems like overkill to use the IPv6 API mechanisms in this case.
Erik
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