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[Frédéric LOUI <>]

Thanks mc36 for the insight. Actually this is what Marcos wanted to test.

@Marcos, the quickest way to confirm your aim would be to directly post a 
question to ICRP.
I did not test it personally, INTEL released also a "folded pipe » mode that 
might related to your objective.

> Le 3 mai 2022 à 06:36, mc36 <> a écrit :
> 
> hi,
> 
> On 5/2/22 19:58, Fr  d  ric LOUI wrote:
>>     Run SONIC and RARE/freeRtr AT_THE_SAME_TIME
> 
> i have concerns on this particular topic:
> we already had a small chat with alex (the author of an other p4 program 
> packaged into the rare builds called packet-broker)
> and finally we found out that, that regardless freerouter already have the 
> (test covered) capability to multiplex up/downstream
> some front-panel ports, it most probably will interwork only with other 
> rare profiles of ours, because this capability depends
> both in the control plane and in the dataplane code on that the cpu-port 
> format is common between the pipes, so a single
> freerouter can understand (and multiplex up and downstream) the packets 
> from both the tofino pipes.
> 
> moreover, some features like the hairpin interfaces or the tunnel 
> decapsulation depends on recirculation, which also uses a
> rare specific header to pass all the extra information between the packet 
> processing rounds, and, recirculation happens
> between the pipes, that is, this particular case will most probably simply 
> won't work at all because the pipes will diverge
> in the forwarding info, and in case of different p4 programs, even the 
> extra header will not match.
> 
> br,
> cs