That is actual topology and during testing no other return path existed.

It seems that there are PFE loops which would explain why punted to RE
packets are forwarded so fast .... JTAC is debugging :)

Thx,
R.

On Mon, Mar 23, 2020 at 4:17 PM Saku Ytti <s...@ytti.fi> wrote:

> Hey,
>
> > This is very simple setup:
> >
> >  linux (.206) ---- LAN---- mx104(.210) ---- p2p---- isp (.209)
> >
> > Pretty much 1.4 is what is expected. The only place the delay occurs is
> on ingress from the ISP to MX104. If I ping MX104 outbound (.210) int I get
> 0.5 ms.
> >
> > No worries anyway ... just thought anyone run into this before.
>
> Is this simplified topology or actual? Is it not possible that return
> path is different? Entirely possible for SW and HW forwarded packets
> to experience different path selection. So perhaps ISP is returning
> packets via other path for HW packets, but other path via SW packets.
>
> It's very difficult to imagine failure mode where packets would wait
> consistent ~23ms on the mx104.
>
> --
>   ++ytti
>
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