[j-nsp] Slow RE path 20 x faster then PFE path

Robert Raszuk robert at raszuk.net
Mon Mar 23 13:25:08 EDT 2020


Hi Mark,

Oh yes ... exact same config and same setup and even same hw (mx104) works
fine in other location giving consistent 1 ms without IP options and mostly
1-3 ms with IP options - but that is all fine. Going to RE is always non
deterministic :)

Another interesting observation is that show command indicated services
inline input traffic over 33 Mpps zero output while total coming to the box
was at  that time 1 Mpps ....

Thx,
R.

On Mon, Mar 23, 2020 at 5:47 PM Mark Tinka <mark.tinka at seacom.mu> wrote:

>
>
> On 23/Mar/20 17:37, Saku Ytti wrote:
> > I'm not sure what you mean by 'PFE loops', this is single NPU
> > fabricless platform, all ports are local. The only way to delay packet
> > that long, is to send it to off-chip DRAM (delay buffer).
> >
> > But please update list once you figure it out.
>
> Just for giggles, Robert, are you able to test this with another Juniper
> platform (even if it's the MX80)?
>
> Mark.
>
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