[Click] IPRewriter Patterns

[Eddie Kohler]

Miguel, sorry for the delay.

While IPRewriter does not support this directly, it should be relatively easy 
to modify to do so.  The code  -- in the new rewriter version -- is in 
elements/ip/iprwpattern.cc:rewrite_flowid.

Eddie


Miguel Naranjo wrote:
> Hello, I'm trying to use IPRewriter to modify both source IP and 
> destination IP (same with TCP ports).
> 
> I can change the destination IP to a static value that I know. However I 
> need the source IP to be rewritten to the former destination IP (same 
> for tcp source port).
> Is it possible to write a pattern which has access to the source IP 
> address of the incoming packet?
> 
> Something like:
> IPRewriter(pattern $packet_dest_ip $packet_dest_port 10.0.0.5 50000 0 1);
> 
> Thank you.
> 
> Miguel Naranjo
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