[j-nsp] MX80 Route table Size

Krasimir Avramski krasi at smartcom.bg
Tue Sep 24 01:49:23 EDT 2013


Ichip(DPC) has 16-32M RLDRAM and holds 1M routes in FIB, so 256M on trio is
huge increment - it is in realm of ~5M routes(since they use dynamic memory
allocation to fill up with routes only) and more than 1M labeled prefix
routes.


Best Regards,
Krasi


On 23 September 2013 23:51, Saku Ytti <saku at ytti.fi> wrote:

> On (2013-09-23 16:42 -0400), David Miller wrote:
>
> > If your setup and/or your projections of DFZ growth will have your FIB
> > hitting >1Mill routes within the estimated lifetime of the box, then a
> > bigger MX with RE-S-1800x4(s) is decidedly "bigger" (in performance,
> > route capacity, and price).
>
> Alas, bigger MX won't do much/anything to help with FIB scaling. You're
> inherently limited by the LU chip memory, which does not grow when you
> upgrade
> to bigger box.
> Juniper is somewhat behind the curve in FIB scale compared to competition.
>
> --
>   ++ytti
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