I believe in this case, your ATM SCR = FR CIR in the network, so if you set
it at 384PCR 384SCR on the router, then you are telling the router to push
the traffic and treat this PVC as a 384K pipe.

At the same time, your FR side and the provider network sees traffic coming
in at 384, but it knows that the CIR is really 192K, so anything above that,
it marks DE.

I believe if the traffic is not being pushed too long at the increased rate,
there is a good chance it will carry most of your traffic, however if you
keep the traffic at this speed consistently high, beyond the SCR/CIR that
your network is expecting, eventually the PVC's buffer might/will eventually
get filled up in the network and might discard.

So it might be a good idea to try to keep your SCR at the prescribed limit
that your provider is setting within its network.

Out of curiosity, who is your provider and what type of equipment are they
using?

Paul


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