It has the same (well 31.8M DWORDs/254.3MB vs 32M DWORDs/256MB) EDMEM RLDRAM as 
gen1 and 2 trio chips 

But it's not storing ENCAPS in there which gives it additional 4.1M DWORDs in 
the shared memory which next hops can take from.


adam

netconsultings.com
::carrier-class solutions for the telecommunications industry::

> -----Original Message-----
> From: Jason Lixfeld [mailto:[email protected]]
> Sent: Thursday, December 21, 2017 12:10 PM
> To: [email protected]
> Cc: [email protected]
> Subject: Re: [j-nsp] Poll Question (VRF scale on MX)
> 
> Hey there,
> 
> General question - MX204-IR, for example, claims no RIB/FIB scale
> restrictions.  While I’m sure with that claim, RIB scale is limited to the 
> amount
> of physical memory available on the box, I’m not sure what the physical limits
> are around the FIB.  My understanding is that it’s Trio Gen 3 based, but to
> that, I don’t actually know enough about the architecture to be sure.
> 
> Thanks!
> 
> > On Dec 21, 2017, at 6:19 AM, <[email protected]>
> <[email protected]> wrote:
> >
> > Hi folks,
> >
> > I have this large scale rollout and while doing scaling testing and
> > Juniper recommendations will get you some confidence, I'd like to
> > understand where we land on the graph in comparison with other
> > operators (can't get this info from Juniper folks unfortunately).
> > But we can build our own anonymous public database right here on the list.
> > So what I'd like to collect from you all is:
> >
> > Junos code version:
> > Number of VRFs:
> > Number of destinations (total or average per VRF):
> > Output from: request pfe execute target fpc0 command "show jnh 0 pool"
> > (+ type of card this was executed on)
> >     - this output will tell you where you are at with regards to your
> > next-hop memory utilization (whether you are within the pre-allocated
> > 2+2M or already borrowing something from the shared pool)
> >
> > You can contact me on or off list and I shall publish a summary graph
> > (anonymous of course)
> >
> > Thank you very much.
> >
> > adam
> >
> > netconsultings.com
> > ::carrier-class solutions for the telecommunications industry::
> >
> >
> > _______________________________________________
> > juniper-nsp mailing list [email protected]
> > https://puck.nether.net/mailman/listinfo/juniper-nsp


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