Re: Wrong MAC in redirected packet

[Kristian Evensen <kristian.evensen@gmail.com>]

>>>> Turned out that it was the checksums. They were calculated correctly,
>>>> but since I processed packets on input, tcp_hdr and udp_hdr of course
>>>> returned invalid pointers. My code is now more or less RAWNAT, so if
>>>> it is of interest to anybody else I will merge them and make it
>>>> available.
>>>
>>> I have now rebased the RAWNAT branch to Xt-a's master and
>>> made the rawpost tables workable with all kernel versions.
>>> It does not have MAC addr punning yet.
>
> I am just rethinking this. There are cases where we do not want MAC punning.
> (E.g. when a packet still needs to be routed through another gateway
> instead of being delivered directly to the final ethernet segment.)
>
> Is --to-mac aa:bb:cc:dd:ee:ff sufficient, or did you want --to-mac IPaddr?

The last one would be the easiest to use and would therefore be
desirable. However, forcing the user to write the full MAC-address
might limit scenarios where it is used wrongly.

-Kristian