ToHost problem

powell molleti powelllinux at yahoo.com
Wed Feb 13 00:26:12 EST 2002


Hi ed,
 
--- Eddie Kohler <kohler at icir.org> wrote:
> Hi Powell,
> 
> I'm finding it a bit difficult to understand your
> situation in full, but I
> can tell you why CheckIPHeader is complaining!
> 
> Remember that FromLinux generates packets *with
> Ethernet headers*. You have
> neglected to strip the Ethernet header before
> passing the packet to
> CheckIPHeader. 
> 
> Either use "CheckIPHeader(, 14)" to tell it to
> ignore the Ethernet header
> (= 14 bytes), or add "Strip(14)" before the
> "GetIPAddress(16)".

Yes, I just added Strip(14) and it works like
magic. Thank a lot.

> 
> P.S. You may find "CheckIPHeader(VERBOSE true)"
> useful for debugging.

Thanks a lot again.
cya
powell


> 
> Eddie


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