[Click] uniqueify problem

[Beyers Cronje]

Koen,

Use the SetIPChecksum and SetUDPChecksum elements.

http://www.read.cs.ucla.edu/click/elements/setipchecksum
http://www.read.cs.ucla.edu/click/elements/setudpchecksum

Beyers

On 3/30/06, Koen Segers <KoenSegers at scarlet.be> wrote:
>
> On Thursday 30 March 2006 21:00, Jason Haas wrote:
> > Hi Koen,
>
> Hi
>
> > You can try adding Print elements before your element to verify where
> the
> > mismatch is. Also, you can try adding debug statements to your code and
> > print out the pointers to verify they point to where you think they
> should.
> > You could also save your cast to char* by using ->network_header()
> instead
> > of ->ip_header(). If the network header annotation isn't set to be an IP
> > header for some reason, that switch could help.
>
> Thx for the advice!
> I found my problem exactly the way you described it. There was a double
> Encap
> before the packet was sent to other nodes.
>
> I have/had though another problem: I also need to change the ip header of
> my
> packet. But I always get an invalid checksum. Can you tell me what the
> exact
> function is I need to call?
> For the moment I do a strip and an encap. I know it isn't the proper way,
> but
> this way I can carry on coding and adding functionality...
>
> greetz
>
> --
>
> Koen Segers
>
>
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